Re: Setting valve lash on 440 hydraulic w/adjustable rocker
[Re: nd65]
#583754
01/15/10 10:47 PM
01/15/10 10:47 PM
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Joined: Oct 2003
Posts: 4,013 South Park, Pa.
68LAR
master
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master
Joined: Oct 2003
Posts: 4,013
South Park, Pa.
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I'll give it a try. First off; Do you have a big block or small block? It's a lot easier if you have the intake off and, if a big block, have the valley pan off to be able to see the cam and lobes. You want to start with one number cylinder just for S.A.G's. Jog the engine 'til the lobes of the cam are off of the lifter. (On the flat of the cam lobe). Either exhaust of intake, it doesn't matter.... Looking very closly at the lifter, loosen the adjuster then tighten it until the push rod just starts to depress the lifter piston. Then thighten 1/2 turn more. Do the same, with the same proceedure, for the other 15 valves. I hope this helps.
4 speed street legal. Best time 10.99 @ 124 mph on 93 octane pump gas @ 3926# total weight
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Re: Setting valve lash on 440 hydraulic w/adjustable rocker
[Re: DaytonaTurbo]
#583758
01/16/10 04:20 PM
01/16/10 04:20 PM
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Joined: Jan 2003
Posts: 25,200 Upper Midwest
MoparforLife
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,200
Upper Midwest
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Quote:
Unless your spring pressures are crazy high, I would run stock rockers with that cam instead. The money you spent on the adjustable setup is wasted on a cam as mild as this. The 304 cam should do you well, if I didn't have such low compression ratio I would have went with the 304.
Spend your money where it will be cost effective. If you are set on using an adjustable valve train make sure that you have the lifter on the base circle of the cam when adjusting and as for filling the lifters most cam companies do not recommend filling prior to installing.
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Re: Setting valve lash on 440 hydraulic w/adjustable rocker
[Re: MoparforLife]
#583760
01/16/10 08:17 PM
01/16/10 08:17 PM
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Joined: Dec 2007
Posts: 18,157 Mass
DAYCLONA
I Live Here
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I Live Here
Joined: Dec 2007
Posts: 18,157
Mass
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If you are set on using an adjustable valve train make sure that you have the lifter on the base circle of the cam when adjusting and as for filling the lifters most cam companies do not recommend filling prior to installing.
.......also good that your using the dial indicator to set TDC at intial set up, also time to confirm your vibration dampeners location, I prefere using a degreed, or Mr Gaskets timing tape on the dampener, makes life easy, set the cylinder in question to zero lash, add no more than 1/2 turn on the adjuster,....use the lash chart pictured, to do multible cylinders, rather than chase each cylinder,....I usually repeat the cycle 2-3 times to confirm 100% my lash pattern and clearances,....depending on whos rockers your using check valve cover clearance, esp if factory covers? you may need to remove the baffles,...my last 440 build I ran 1.6 ratio Crane Golds under stock 70 covers, all the baffles had to go
Mike
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