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

Valve spring ??

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Old 08-09-2004, 12:44 AM
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Valve spring ??

I have a EE 230 236 112 .544/.554 cam and I had my springs checked and they were 125#@1.880 325#@1.356. I'm having a problem with vale float what springs would work with this cam and how much spring pressure should I have? Right now I have a crane spring (10308-1 I think).

Thanks Shayne
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Old 08-09-2004, 01:00 AM
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Re: Valve spring ??

i have the same came but on an XE grind. u need 135# at 1.8inch. with max lift ratings at .580 or .600. Combination motorsports has a set that will let u use without putting in shims or machining the seats.
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Old 08-09-2004, 09:41 AM
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Re: Valve spring ??

Hydra-rev
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Old 08-09-2004, 10:12 AM
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Re: Valve spring ??

same cam and same springs as you guys, and i have valve float at about 6400. When i researched all of this everyone told me that the springs would handle the max lift (they are good for .600" of lift) but they are a hair on the soft side for the extreme ramp rates of this cam. What is sad is that my motor makes power until 6800. What's really odd is that my valve float gets back under control at about 6550. When i was at the dyno, the tech was dumbfounded. Anywho, i just keep her below 6400 for now. Oh well, she's only gonna stay a lil tree-fiddy for a lil while longer, i have a 383 in the works, and my valvetrain is gonna be bullet proof.
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Old 08-09-2004, 05:42 PM
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Re: Valve spring ??

ZDRIVER96 do you have the part # for those springs?
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Old 08-09-2004, 06:01 PM
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Re: Valve spring ??

Originally Posted by Shayne
ZDRIVER96 do you have the part # for those springs?

ex 612 get the whole kit its only 109
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