350 chevy valve adjustment sequence

With intake off,put lifter in bore,rotate engine untill lifter is all the way down on the base circle of the cam,install push rod,install rocker ,tighten it untill the push rod compresses the lifter guts past the retaining rings on the inside of the lifter body.Then repeat for every single one,There is a lot of play in there to work with,take the first one you install and go ahead and tighten ...

The Chevrolet 5.7-liter (350-cubic-inch) engine employs an overhead valve design that requires occasional maintenance. Adjusting the clearance between the valve stem and rocker arm, a process known as setting valve lash, can be complicated....Remove both valve covers, bump the engine till the timing pointer is at TDC. Check the rockers on cyl. 1 & 6, one set will be tight, (on overlap), adjust the other. Now pay attention, if 6 was tight and you adjusted 1, watch the next set over rockers in the firing order, cyl. 5.Find Us. Trestle Systems 2470 Island Dr, Suite 308 Spring Park, MN 55384Valve Adjustment Sequence 350 Chevy. September 26th, 2016, SuperCrawl Trail Buggy World Champions! Turn the engine in its normal direction of rotation by using a spanner or socket wrench on the crankshaft-pulley bolt until the two chosen rockers rock. It's a good thing that you are only 22 years old as it is quite a task to adjust the valves.EZ Read simple diagram of the Small Block Chevy Cylinder Head Torque Sequence. ... Valve Adjustment; Ford 302 HO and 351W; Ford 260, 289 and 302; SBF Valve Layout;Valves The original Chevy 265-ci smallblock began life actuating diminutive 1.72- and 1.50-inch intake and exhaust valves. In the evolution of the smallblock, now displacing as much as 454 inches out of a standard deck height block, these big-bore small-blocks can now accommodate up to impressive 2.150- and 1.625-inch valve sizes.Advertisement The flame of gas range burners should be steady and slightly rounded, with a light-blue tip. The flame should be quiet and should respond to adjustments made at the control knobs. Most burner troubles can be quickly solved by ...Jun 25, 2020 · This is zero lash. To set preload, merely tighten the adjuster nut another half-turn after zero lash. If you are setting the lash on a mechanical lifter camshaft, use the appropriate feeler gauge between the valve tip and the rocker arm and adjust the lash until there is a reasonable tug or pull on the feeler gauge.

If its not already loose, loosen the nut. Turn the nut while twisting the pushrod between your fingers. When you feel resistance its at zero lash (if you have strong fingers, dont force it). Turn the nut 1 full turn. Do Exhaust valves cylinders 1,3,4 and 8 and Intake valves 1,2,5, and 7. Rotate the motor one full turn and do Exhaust 2,5,6 and 7 ...just installed new head gaskets on my 400 (actually 406) adjusted the valve using the below procedure (spinning pushrod between fingers till there is resistance then 1/2 turn in. Intake Valve Adjustment: with #1 cylinder Intake Valve at full valve lift .... Adjust #6 Intake Valve with #8...This puts the intake lifter on the base circle of the lobe so we can set the intake preload. With the intake preload set, now bump the engine until the intake valve is halfway closed (IC). Now you can set the preload on the exhaust. With the first cylinder finished, you can move to the adjacent cylinder and run through the process again.Once you have the engine/crank-shaft so the #1 cylinder is at TDC (both the #1 inlet and exhaust valves are open/loose-lash) now you can do a "cold setting" of half of your valves. Then rotate the engine/crank-shaft 360 degrees until the #6 cylinder is at TDC. Then do a "cold setting" of the other half of the valves.4. Go 1/4 more turn and move on to then next valve. 5. Do this for all 8 valves then go back and turn them ALL down 1/4 more turn each. 6. Do this one more time so that you have a full 3/4 turn of pre-load on the lifters. Sometimes, 5/8 is better than 3/4 so only go an eighth of a turn on the last go-around.6- Each set of points 28-30° total both sets 33-35°. 7- For long travel lifters 2 turns. 8- First short vertical line clockwise from ball in flywheel. 9- Early production: intake .012H exhaust .020H. Engines date stamped TO-1118QA or QB: intake .018H exhaust .030H. 1946-64 Chevrolet engine tune-up specifications including timing, dwell angle ...

Drop the rocker arm into place and lightly thread on the adjuster nut. See all 9 photos. 7. Use a feeler gauge that's the same thickness as the lash target. Tighten the adjuster nut until you ...Typically loosening lash will give a little more top end power, tightening will give a little more bottom end. Too loose will beat up the lifters and burn pushrod tips. If the lash is too tight, the intake valve may hang open. The factory engineers knew what they were doing.Valves are non-adjustable hydraulic. Usual suspects for misfires in order of probability and expense: 1. Dead coil/plug wire/spark plug 2. loose spark plug 3. wiring to coil 4. fuel injector/wiring to it 5. loss of compression due to burnt valve, dead lifter, damaged rocker, blown pistonUnderstanding how to adjust valves on a 350 Chevy is important because faulty intake and exhaust valves can cause significant damage to the engine. Chevy 350 Valve Adjustment Sequence. Each engine turn should be made at a 90-degree clockwise motion successively. Firing order: 1 8 4 3 6 5 7 2Adjusting valves on a Chevy Vortec 4.3 that I converted too adjustable valve train. Have other vidoes on the 4.3. Most engines are the same. You can Google t...

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3. Turn the flywheel 360 degrees in the direction of engine rotation. This will put No. 4 piston at top center (TC) on the compression stroke. 4. Make an adjustment to the valve clearance on the intake valves for cylinders 3 and 4. Make an adjustment to the valve clearance on the exhaust valves for cylinders 2 and 4. C.Step 1: Open The Valve Cover First, open the valve cover. It will expose the cylinders on both sides. You will need to lose the bolts and remove the valve cover. Also, remove the cylinder heads to begin with. Step 2: Name The Cylinders What Are the Symptoms of Valves Needing Adjustment on A 350 Chevy? Knowing how to adjust valves on a 350 Chevy will be baseless if you don’t know whether your valves need to be adjusted or not. Here are some symptoms of valves needing adjustments on a Chevy 350: Production of rattling sounds; caused by loose valves. Rotate engine until exhaust valve begins to open. This will ensure the intake lifter is on the base circle of the cam. 2. Rotate push rod and tighten rocker arm until you feel it start to drag and then go 1/2 turn more. 3. Then rotate engine until intake valve is completely open and repeat step 2 for the exhaust valve.

Engine firing order is also standard: l-3-4-2 (Ccylinder) and l-5-3-6-2-4 (6-cylinder). Rocker arms are retained on individual threaded studs. A ball pivot valve train is used, with camshaft motion transferred through the hydraulic lifters to the rocker arms by pushrods. ... Turn adjusting nuts in front mounting bracket until bracket rests ...About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Adjusting Valves. Proper valve adjustment is crucial to the performance and longevity of any engine, but for this tech tip we will concentrate on valve adjustment for a …Jan 30, 2008 · This method works very well for a running engine. Loosen the adjusting nut of one valve until you hear it "clicking". Slowly re-tighten the adjusting nut until the clicking stops. Tighten an additional 1/4 to 1/2 turn. Repeat this procedure for the remaining valves. This procedure is done with the engine idling. Tighten the poly-lock of the rocker arm until the proper lash is found. When you get to your preferred lash, hold the adjuster nut in place and set it with the inner screw using an Allen wrench. The poly-lock adjuster nut adjusts the amount of valve lash while the set screw locks it into place. Finally, tighten with an adjustable torque wrench ...Step 6. Coat one side of the valve cover gaskets with gasket sealer and fit the gaskets onto the valve covers. Coat the other side of the gaskets with sealer and install the valve covers. Tighten the bolts with the ratchet and socket. The Chevrolet 305-cubic inch, small block, V-8 engine was released in 1976 as a result of Chevrolet's search ...Even on a Q-jet-equipped, small-block 350 Chevy, the exhaust is the most critical point. You've addressed that perfectly with the 1-5/8-inch headers. Just be sure to include a 2-1/2-inch dual ...Spin the intake rocker nut down with the correct thickness feeler gauge inserted between the valve stem and the tip of the rocker arm. Tighten the adjusting nut until there’s a slight drag when moving the feeler gauge. Do not over-tighten or you will risk damage to the camshaft in a short period of time.

Step 7. Install new valve cover gaskets and replace both valve covers. Install and torque all valve cover bolts to three foot-pounds. The Chevrolet 5.7-liter (350-cubic-inch) engine employs an overhead valve design that requires occasional maintenance. Adjusting the clearance between the valve stem and rocker arm, a process known as setting ...

As soon as 0 lash is reached, turn the rocker arm nut down 1/2 to 3/4's (max 1 full turn) of a turn in 1/4 turn increments. A 1/4 turn increment is recommended to set the lifter pre-load. Note: If you are working with an older engine or used lifters it's possible that the lifters bleed may off pressure. (soak lifters for 1/2 hour in clean ...braber427 · #10 · Jul 10, 2005. Here's a method a mechanic showed me -- using a remote starter switch watch the rocker until the valve has reached maximum open, which puts the lifter at the peak of the lobe. Mark the harmonic balancer with a piece of tape, then crank the engine so the balancer rotates one revolution.Mar 20, 2016 · the MOST SIMPLE way to adjust valves on the SBC/350 chevy or any other hydraulic lifter engine The valve is adjusted by tightening the intake valve rocker arm nut until the rocker arm prevents the pushrod from being spun between your fingers. Back the rocker arm nut off 1/8 to 1/4 of a turn. Repeat the valve adjustment process in step three on all intake valves in the following order: number eight intake valve at full lift-adjust number ...1,047. Jun 16, 2020. #1. Ok, so read all the threads about 3/4 versus 1 turn past zero lash. However, from what I found from Comp Cams, they say to 1/8 to 1/4 if the engine spends its time at high RPM and 1/4 to 1/2 turn for average "street driving". I am guessing their reference to the street would be applicable for boats.To adjust valves on a Chevy 350, loosen the rocker arm nut and tighten it until you feel some resistance, then turn it another half to three-quarter turn. Adjust all the valves in the same manner. Adjusting the valves on a chevy 350 engine is crucial to maintaining good performance and preventing expensive damage.10. Change the oil and filter. Replace with 5W30 motor oil (not synthetic) and a PF454 AC Delco oil filter. Inspect. the oil and the oil filter for any foreign particles to ensure that the engine is functioning properly. 11. Drive the next 500 miles under normal conditions or 12 to 15 engine hours.the intake valve has fully opened. Now you can adjust the exhaust valve to ZERO LASH, then 1/2 more turn. Repeat this procedure until each cylinder is completed. On engines with non-adjustable rocker arms, you must have a lifter pre-load of .020” to .060”. (See “Setting Lifter Pre-Load” in this instruction sheet.) Use the same sequence ...That is when you want to set the intake. To set the intake, back off the poly lock or adjustment nut until you know there is clearance. Then slowly tighten the nut until you can feel a slight ...

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88958602/19258602 350 HP Engine Assembly 88958603 355 HP Engine Assembly 88958604 400 HP Engine Assembly ... the small block Chevy in 1955 started it all. Production parts were durable, and the engines were plentiful. ... factors affect engine life; proper valve lash and keeping rpm’s within specified limits. Valve Lash Valve lash is …1,047. Jun 16, 2020. #1. Ok, so read all the threads about 3/4 versus 1 turn past zero lash. However, from what I found from Comp Cams, they say to 1/8 to 1/4 if the engine spends its time at high RPM and 1/4 to 1/2 turn for average "street driving". I am guessing their reference to the street would be applicable for boats.Newbie SBC 350 Hydraulic Valve Lash Adjustment « on: April 22, 2020, 03:25:22 PM » Hello all, I recently removed the heads on my 350, and during reassembly …What is the torque sequence and torque specs for a 1960 long 350 3 cylinder diesel. ... looks to be the same motor that's in your 350. Should be standard adjust intake when exhaust just starts to open and adjust exhaust when intake is halfway closed. ... what are the torque specs for the valve covers on a 94 chevy 350 small block and also the ...The specs are below for all the intake and the valve covers. The valve covers are only 9 ft lbs. Roy. Tighten the bolts and nuts sequentially in three steps. Always use a new intake manifold gasket. Image. Images (Click to make bigger) SPONSORED LINKS. Was this.Apr 27, 2018 · Turn the crank until the exhaust valve begins to open. At this point intake side is on the base circle and can be adjusted. Now turn the crank until the intake valve reaches maximum lift and the valve begins to descend. Stop and adjust the exhaust valve. Repeat doing once cylinder at a time (I usually go in firing order) Jul 17, 2005. #1. Putting together my 1989 4.3 after rebuild and am at valve adjustment. The Seloc manual says to turn the engine to #1 firing position and adjust certain rocker bolts until you cant turn the pushrod then tighten 3/4 turn. Phase 2 is to turn the crankshaft 1 full turn back to the timing mark where #6 cylinder is at its firing point.Valves are non-adjustable hydraulic. Usual suspects for misfires in order of probability and expense: 1. Dead coil/plug wire/spark plug 2. loose spark plug 3. wiring to coil 4. fuel injector/wiring to it 5. loss of compression due to burnt valve, dead lifter, damaged rocker, blown pistonMethod #1: For a small block Chevy (or any engine with a firing order of 18436572) you can set the valves by turning the engine over just two times. Bring the engine up to #1 firing (both #1 valves closed and the timing mark aligned with zero on the timing tab) and adjust as follows: exhaust valves 1,3,4,8 and intake valves 1,2,5,7 bring engine ...Paul B · #2 · Nov 22, 2001. Adjusting the screw on the throttle body will only change the minimum air flow. the idle will remain the same because the PCM controls the idle speed through an air bypass valve or idle control motor. It's basically a controlled vacuum leak. If the idle is to high, you may have a problem with that valve or you may ...In the case of the original small-block Chevy, the stock rocker-arm ratio is 1.5:1. This means that the lift generated by the cam lobe is multiplied by 1.5 times when delivered to the valve. Therefore, a cam with a .400-inch lobe lift would theoretically create 0.600 inches of lift at the valve.Since you didn't indicate what year your car is I'm gonna guess that you have a 350 or possibly a large journal 327 as it has a balancer bolt. Small journal 327 balancers were a press fit unless you had the crank snout machined. 67 Camaro: 454/TH400/4.10 12 bolt. Lots of options: PS/PDB/PW, tilt, tach, gauges and more. ….

Intake numbers 3, 5, & 6 as well as exhaust numbers 2, 4, & 6. Repeat adjustment. Chevrolet V-8 engine. Number 1 firing position: Intake numbers 1, 2, 5, & 7 as well as exhaust numbers 1, 3, 4, & 8. Turn adjusting nut until all lash is removed. When all play has been removed, turn adjusting nut one more turn. This will place the lifter plunger ...Here is the order to adjust your valves on a Ford 260, 289 and 302. Ford 260, 289 and 302 Valve Adjusting Order Need to adjust your valves on a Ford Small Block? This is the chart that will help you do it. This is for engines with the older firing order. ... Chevy SB and BB Firing Order; Chevy LSX Firing Order; Power Stroke 7.3L Firing Order;Hydraulic lifters use what is called a preload that eliminates clearance between the rocker and the valve when the valve is closed. This means, on older engines with an adjustable valvetrain like your big-block Chevy, your preload must be set. Afterward, there's no subsequent adjustment required unless the rockers are removed.Step by step valve adjustmentLearn how a valve and tappet clearance is adjusted in a 4 stroke engine for proper working of valve mechanism which also reduce the tappet noise and improve ...So many opinions on the Net on how to adjust valve lash on a 350 with hydraulic lifters. After fitting the heads push rods I started the process of adjusting the lash. What I did was bring engine to No 1 TDC and adjust the appropriate valves, rotate engine 360 for No 6 and adjust the appropriate valves. The technique I used was the up and down ...This playlist is to help understand how to adjust valves and replace valve springs on a Chevrolet, GM 350 engine, including the 350 crate engine 602 series,the standard procedure for adjusting rocker arms on some cars is to adjust them with the engine running. but this is messy. loosen the nut until you hear clicking n tapping noise, stop. now turn the nut Tighter a little at a time until you hear the noise stop, then turn the nut 1/4 turn more and move on to next rocker.Another way is by pulling the drivers valve cover and watching rocker arms. Watch for the exhaust valve closing and the intake valve beginning to open. This is ...Nate's 216/235/261 Valve Adjustment Procedures. This is a critical, often overlooked part of the tune up of your old GM 6-cylinder engine and it can make a world of difference in how that worn-out engine runs - you may find after doing this adjustment that your old StoveBolt runs so well you decide to ignore the smoking and just run it as is ... 350 chevy valve adjustment sequence, A. abe · #3 · Dec 23, 2002. u can do with the engine off . take off the valve covers and adjust the intake valves 1st by doing each cylinder at a time. Example start with the #1 cylinder turn the engine over slowly by hand or tapping the engine with a remote starter but 1st diable the igntion wire to the coil so it wont start. turn the engine ..., I have a 355 small-block Chevy in my 1971 Nova and just swapped on a set of used aluminum heads. I was told the heads have 180cc intake runners, 64cc chambers, 65cc exhaust ports, and 2.02/1.60 ..., Yeah that cable is kickdown only on a 350 turbo. On the 200r4 and 700r4 it's the throttle valve cable. Improper adjustment of a tv cable will destroy the transmission. Your cable is like stated above, the button releases the adjustment, push it back, release the button, open the throttle fully and it will self adjust., Lash. Valve lash by definition is the gap between the rocker arm and the tip of ... A trick for remembering the sequence is to use “I.C.E.” I.C.E. stands for ..., I show a simple way to adjust you valves, or alteast how i do it, Chevrolet part number 25534355, for the engine's PCV system. The cover on the right hand side, Chevrolet part number 12555266, is stamped without any holes. Included on the right hand valve cover is an engine tune-up decal, Chevrolet part number 88960587. Rocker Arm Nuts: Unique rocker nuts are installed on the CT350 circle track crate engine., Help support the channel and become a patron.https://www.patreon.com/squarebodystuff Donate to our projects here.https://www.paypal.com/biz/fund?id=846NNDP2R..., 350 Chevy (yes the 5.7L) 400 Chevy The firing order works for the following Big Block Chevy Engines - 366 Chevy 396 Chevy 402 Chevy (Sometimes referred to as a 396) 427 Chevy 454 Chevy ... Valve Adjustment Valve Adjustment. Ford 302 HO and 351W; Ford 260, 289 and 302; SBF Valve Layout;, The stamped-steel rocker arm that is common with Chevrolet engines uses a center fulcrum to move up and down on the stud. With any engine, the interface between the pushrod and the rocker arm is critical for proper valve adjustment. PHOTO 2. A valve stem that is worn like this is the result of a problem elsewhere in the valvetrain., Mechanical roller cams also require a specific amount of lash. When comparing mechanical roller to hydraulic roller cam specs, remember to subtract the lash from the mechanical roller lifter's net valve lift numbers. So if the cam has a gross valve lift of 0.550 but requires .020-inch lash, the net valve lift is really 0.530 inches., 6 cylinder valve adjustment sequence 350 chevy; 7 spiritual laws of success pdf to word; The spiritual laws of success; 7 spiritual laws of success pdf free download; 7 spiritual laws of success pdf 1; 7 spiritual laws of success pdf version; 6 Cylinder Valve Adjustment Sequence Sbc Solid Cam Motor. From what I've read it how straight 6 …, A lash for this grind should be (.008"x 1.7 rocker =) .013" Hot, and is probably why I have damaged several Morel Ultra Pro bushed lifters in a few thousand miles. The cam has now been reground with a clearance ramp of .010" and the lash specified at the valve for that .010" is .016". (.010"x1.7=.017"), 1. Remove the valve covers, and pick a cylinder you are going to set the preload on. 2. Hand rotate the engine in its normal direction of rotation and watch the exhaust valve on that particular cylinder. When the exhaust valve begins to open, stop and adjust that cylinder's intake rocker arm., circle on ANY OEM Chevrolet cam for adjustment, and the factory-recommended clearance on other OEM Chevrolet small-block solid-lifter cams should be factored as well by the 1.37:1-vs.-1.5:1 ratio difference at the lash point and rounded-down to the next-nearest thousandth or two to ensure that the valves are picked up and seated at ramp velocity., Spin the intake rocker nut down with the correct thickness feeler gauge inserted between the valve stem and the tip of the rocker arm. Tighten the adjusting nut until there’s a slight drag when moving the feeler gauge. Do not over-tighten or you will risk damage to the camshaft in a short period of time., 6 cylinder valve adjustment sequence 350 chevy; 7 spiritual laws of success pdf to word; The spiritual laws of success; 7 spiritual laws of success pdf free download; 7 spiritual laws of success pdf 1; 7 spiritual laws of success pdf version; 6 Cylinder Valve Adjustment Sequence Sbc Solid Cam Motor. From what I've read it how straight 6 Diesel ..., Positive changes add vacuum, so shoot for the highest vacuum reading attainable with the engine in Park or Neutral. Then turn each screw in (lean) about roughly 1/32-inch. This will make the engine just a touch leaner at idle but still retain high manifold vacuum. Work carefully and slowly to achieve the best results., Once you've determined that the valve you are checking is fully closed, actually checking the lash is the easy part. Simply use a feeler gauge and slide the tab of the correct thickness between ..., This method works for any engine with hydraulic lifters. Solid lifters takes a longer process. Timelapse music: Beej - https://www.youtube.com/channel/UCox7b..., Aug 21, 2008 · This will be the zero lash adjustment point. For hydraulic lifters, tighten the rocker arm adjustment nut 1/4 - 1/2 of a turn. For solid lifters, back off the rocker arm adjustment nut until your feeler gauge just fits under the contact point between the valve stem and the rocker arm. Fine tune the adjustment by checking it with a feeler gauge ... , Thank you for choosing Chevrolet Performance Parts as your high performance source. Chevrolet Performance ... the bolts alternately per the sequence and pattern shown below. Apply torque in 25 ft.lb. increments over two repetitions with ... 4. Start the engine and adjust the initial timing. If using the HEI distributor P/N 93440806, set the ..., EZ Read simple diagram of the Small Block Chevy Cylinder Head Torque Sequence. Small Block Chevrolet Head Bolt Torque Sequence. ... Valve Adjustment; Ford 302 HO and 351W; Ford 260, 289 and 302; SBF Valve Layout; BBC Valve Layout; Wheel and Tire; 5 Lug Bolt Pattern; 4, 6, 8 Lug Bolt Pattern; Wheel Offset Examples;, I try and explain an easy way to work out which valve to adjust. Remember this principle: When No.6 Exhaust is open, No.1 exhaust is directly opposite the lo..., 1. Remove the valve covers, and pick a cylinder that you are going to set the preload on. 2. Hand rotate the engine in its normal direction of rotation and watch the exhaust valve on that particular cylinder. When the exhaust valve begins to open, stop and adjust that cylinder's intake rocker arm., The Intake Valve Closing (IVC) IVC is considered by many to be the most important timing event decision affecting both performance (peak torque) and/or economy. IVC is a major component of Volumetric Efficiency. The amount of the air/fuel charge is predominantly controlled by IVC., Best to go through it though and find out what the total timing is, how much is in the vacuum advance and what your engine actually likes. 1966 Chevy Caprice 2 door sport coupe. 396 325 h.p. 95% original, matching #'s. Th400, 2:73 12 bolt. Original dealer invoice, title from orig. owner, Protecto-plate. Mods:, A better way to do it is to put it at TDC, adjust the intake and exhaust valves on cylinder one, then move the crankshaft 1/4 turn and adjust both valves on cylinder 8 and so on through the firing order. If the lifter preload is the same as that on a SBC (I'm pretty sure it is), to adjust the valves, loosen the rocker nut, tighten it down until ..., Start by adjusting, say, number 1 by putting 6 on teeter. To do it, simply rotate the crank until the exhaust has opened and is then closing. When it's almost fully …, Once the plunger reaches the retainer, it can no longer. provide effective valve train adjustment, and the valvetrain will start. making noise. The distance the plunger is compressed into the. lifter body when the lifter is at the low point in its bore is referred to. as “lifter preload.”. This is the “valve lash” or., With lash or preload set on the intake, we can now slowly turn the engine again clockwise until the intake valve is halfway down the closing side. Once the intake valve reaches this point, this places the exhaust lobe on Cylinder One on the base circle. Now we can set lash/preload on the exhaust., Nate's 216/235/261 Valve Adjustment Procedures. This is a critical, often overlooked part of the tune up of your old GM 6-cylinder engine and it can make a world of difference in how that worn-out engine runs - you may find after doing this adjustment that your old StoveBolt runs so well you decide to ignore the smoking and just run it as is ..., Feb 21, 2012 · If using a. hydraulic camshaft and no specifications are available, turn the rocker arm adjusting nuts 1/2 to 3/4 of a turn. past zero lash. A) Following the proper firing order for your engine, turn the crank. shaft until the first cylinder listed in the firing order is at TDC on. the compression stroke. , V8 engines, Exhaust Nos. 1, 3, 4 and 8; Intake Nos. 1, 2, 5 and 7. To properly adjust valves, tighten adjusting nut until all lash is eliminated, then tighten nut the specified additional number of turns. On V8-454 / 7.4L engine, tighten nut 3/4 additional turn from zero lash. On all others, tighten nut one full turn from zero lash.