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shimes under valve springs
#1
when I got my parts back from the machine shop the box of valve springs, keepers and rockers parts also had shim spaces, I guess from under the springs. My new cam kit has springs but no shims. What were the shims for?

Alan

[Image: 1_30_09_13_10_12_32.png]
Alan L
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#2
(11-06-2010, 03:39 PM)not2old Wrote: when I got my parts back from the machine shop the box of valve springs, keepers and rockers parts also had shim spaces, I guess from under the springs. My new cam kit has springs but no shims. What were the shims for?

Alan

Shimming allows the you to get proper seat pressure and spring hight with new springs when assembling heads. It also helps protect aluminum heads from the spring "digging" into the head.

Shims- Allow you to get uniform installed heights, and to get the right installed heights for your camshaft.
Check out this link: http://www.fordmuscleforums.com/engine-a...rings.html
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#3
What he said!

Jeff T.

Low buck, touring style, '73 Convertible "rolling restoration", 351c, 2v heads with a shave and a haircut, Performer intake, Holley 650(ish), roller rockers, screw in studs, guideplates, stainless valves, Duraspark / Motorsports MSD, T-5 conversion. 1-1/8" front, 3/4" rear swaybars KYB shocks and some home brewed subframe connectors. Future plans; JGC steering box, Cobra brakes and... paint, interior, etc.

When I die I want to die like grandpa, peacefully in my sleep... not screaming, like his passenger.

[Image: 1_12_09_14_10_15_11.png]
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