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Author Topic:   valve spring question

Posts: 155
From: folsom,cal,
Registered: Jan 2002

posted 05-07-2003 10:31 PM     Click Here to See the Profile for stoker   Click Here to Email stoker     Edit/Delete Message   Reply w/Quote
i modified my installed height on springs that came with my air flow research heads (chrome silicone dual w/dampner)they look low quality to me.came up with 140# on seat and350 is ultradyne flat solid 550 [email protected] advanced three degrees.what RPM should these support?i know there are other factors,but with 6600 rpm chip in shift lite she is all done

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Posts: 7226
From: Sonoma,CA,USA
Registered: Mar 2000

posted 05-08-2003 09:33 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote

It isn't the springs that are holding your engine back. 6600 rpms with that cam and your stroker is about as good as it gets. You need a bigger bumpstick to pull higher.


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