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#11 (permalink)

02-25-2017, 08:48 PM

Texasdoc

CC Member

Join Date: Feb 2012

Location: Keller, TX

Cobra Make, Engine: Lonestar Classics LS427. Self-built 408W, AFR 195 heads, Performer RPM Intake, Quick Fuel 750, 407rwhp, 479rwtq

Posts: 549

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Quote:

Originally Posted by blykins

Did you check coil bind clearance while you had the heads off/apart?

Installed height is 1.8 - verified with micrometer.
Lift is .602 - verified with dial.

Coil bind for these springs is 1.080.
Installed height - lift at valve - 1/4 turn preload =
1.8 - 0.602 - 0.012 = 1.186.
1.186 - 1.080 = 0.094
So I have .094 coil gap. Right?

Last edited by Texasdoc; 02-25-2017 at 08:59 PM..

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