PRC and Patriot Gold valve spring specs?
03-18-2006, 02:12 AM
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Originally Posted by jrp's cam guide
PRC GOLDS:
seat : 140lbs
open: 390lbs
install : 1.800
coil bind: 1.07
1.290 O.D.
max lift : .660
matl : super pure chrome silicone
- PRC Platinum springs:
seat: 145# @ 1.7850"
open: 395# @ ?
PP GOLDS:
O.D 1.29
135lbs @ 1.800
385lbs open
coil bind @ 1.08
.650 lift
My Personal Indepedently tested PP golds:
seat: 143 lbs @ 1.800
open: 363 @ 1.200
coil bind: 1.060
Clearance: .140
spring rate: 367
seat : 140lbs
open: 390lbs
install : 1.800
coil bind: 1.07
1.290 O.D.
max lift : .660
matl : super pure chrome silicone
- PRC Platinum springs:
seat: 145# @ 1.7850"
open: 395# @ ?
PP GOLDS:
O.D 1.29
135lbs @ 1.800
385lbs open
coil bind @ 1.08
.650 lift
My Personal Indepedently tested PP golds:
seat: 143 lbs @ 1.800
open: 363 @ 1.200
coil bind: 1.060
Clearance: .140
spring rate: 367
