LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

1.65's???? Roller ROckers???

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Old 01-20-2005, 08:29 AM
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1.65's???? Roller ROckers???

Does anyone on here have any experience using 1.65 roller rockers? Are they just as safe as 1.6's with larger cams?

??? just never seen anyone on here talk about them...

I'm set on the 1.6 Pro-MAgs... but 1.65's sound like they can be fun...
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Old 01-20-2005, 09:06 AM
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Re: 1.65's???? Roller ROckers???

yeah you'd be getting a pretty good amount more lift, 30% i think if i calculate correctly.

but realize you won't be able to use alot of cams unless you upgrade to some REALLY big springs.

even the hotcam will become .541" of lift from the standard .525"
a cam in the .580-.590" lift range will be over .600" of lift...requiring a step up to something that can handle .650" of lift.

that's alot
not to mention piston to valve clearance problems could come about
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Old 01-20-2005, 05:06 PM
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Re: 1.65's???? Roller ROckers???

ah... I see... I guess I'll stick with the pro-mags...

Funny how a little .05 can make that much of a difference...



THanks
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Old 01-25-2005, 08:54 AM
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Re: 1.65's???? Roller ROckers???

Originally Posted by teke184
yeah you'd be getting a pretty good amount more lift, 30% i think if i calculate correctly.
3%

Hey you know what, this board won't let you post a reply that is only 2 characters long.
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