Rev Limit With Dual Valve Springs

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Nov 23, 2003 | 06:56 PM

crxhybrid1320

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From: Baltimore, MD

Rev Limit With Dual Valve Springs

Wondering what rev limit the crowler dual valve springs were rated to with a GSR head. I am nervous about valve floating and blowing my newly built engine.
Crwoler Valve Springs Part # 68185 Street/Race
Titsnium Retainers Part # 87093

Nov 24, 2003 | 01:00 AM

Kwuaymaikrup

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Joined: Feb 2002

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From: 648 at 8,500

Re: Rev Limit With Dual Valve Springs (crxhybrid1320)

Depends on the cam. Try calling Crower. I am sure they would know.

-Ryan

Nov 24, 2003 | 09:15 AM

bogus_ek

Joined: Aug 2003

Posts: 625

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From: Mad City, WI

Re: Rev Limit With Dual Valve Springs (Kwuaymaikrup)

check their website http://www.crower.com
i believe that they rate their dual valvesprings and titanium retainers for up to 10,000 rpms.

Nov 25, 2003 | 06:06 PM

crxhybrid1320

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Joined: Sep 2002

Posts: 751

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From: Baltimore, MD

Re: Rev Limit With Dual Valve Springs (bogus)

Stock GSR Cams, and Turbo!
So what springs are good for higher revs, eibach maybe or should those dual springs be fine?

I've heard of other turbo guys runing higher than 10,000 and finishing the track in 3rd gear still!

What are some of you guys rev up to?