Rocker Arms??
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Junior Member
Joined: Jan 2008
Posts: 55
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Rocker Arms??
So im thinking about switching out my rocker arms to a 1.6? but i have no idea how hard they are to switch. me being new to domestics i have never switched rocker arms out before. also does anyone have an idea of what brand tends to be better for this?
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From: mass
Car: 86 z28
Engine: 355 113 heads ported HSR hot cam
Transmission: th350
Axle/Gears: 7.5 342
Re: Rocker Arms??
its not to hard to do you just need the pre load set right. make sure your motor dont have a worn timing chain.. as for rockers run a name bran comp cams crane...
Thread Starter
Junior Member
Joined: Jan 2008
Posts: 55
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Re: Rocker Arms??
dang i feel dumb now.... whats preload and how do you set it?? as for the timing chain its new, whole engines a rebuild from an 88gm
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Joined: Jul 2004
Posts: 10,763
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From: Calgary, AB, Canada
Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
Re: Rocker Arms??
Get yourself a book on chevys.
Preload = lash. You set your valve lash. Look up EOIC on this forum for the lowdown on how to do it.
It's an easy mod
Preload = lash. You set your valve lash. Look up EOIC on this forum for the lowdown on how to do it.
It's an easy mod
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Joined: Jan 2008
Posts: 274
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From: Kitchener, ONT
Car: 2000 SS, M6
Engine: Modified LS1
Transmission: T-56
Axle/Gears: 3.42
Re: Rocker Arms??
Almost...
Lash is not the same as preload. Lash is a term used on solid cams which
requires a certain amount of distance between the assembly.
Pre-load is the opposite where the lifter needs to have all of the "lash" taken
up, as well as a preset amount of spring load for correct operation.
Lash is not the same as preload. Lash is a term used on solid cams which
requires a certain amount of distance between the assembly.
Pre-load is the opposite where the lifter needs to have all of the "lash" taken
up, as well as a preset amount of spring load for correct operation.
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