Patriot Spring Rates.
#1
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Patriot Spring Rates.
Inst HT Press Rate/inch
1.775 140 367
1.725 158
1.675 177 0.100
1.625 195
1.575 213 0.200
1.525 232
1.475 250 0.300
1.425 268
1.375 287 0.400
1.325 305
1.275 324 0.500
1.225 342
1.175 360 0.600
1.125 379
1.075 397 0.700
1.025 415 Coil Bind
Had the Patriot Spring kit(.660") installed on my 317's this week. FOr those interested... here are the pressures for your enjoyment.
1.775 140 367
1.725 158
1.675 177 0.100
1.625 195
1.575 213 0.200
1.525 232
1.475 250 0.300
1.425 268
1.375 287 0.400
1.325 305
1.275 324 0.500
1.225 342
1.175 360 0.600
1.125 379
1.075 397 0.700
1.025 415 Coil Bind
Had the Patriot Spring kit(.660") installed on my 317's this week. FOr those interested... here are the pressures for your enjoyment.
Last edited by Nabdrill; 03-15-2010 at 01:08 PM.
#4
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Those are not the .675" lift EHT springs...they are a standard .650" lift spring.
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Last edited by Sales2@Texas-speed; 03-15-2010 at 01:41 PM.
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Well, after running around the horn 3 or 4 times today, I discovered that this is actually a Patriot Spring Kit that's on my heads... Found out because of the valve locks that you have to get specifically from Patriot.
https://www.patriot-performance.com/...0&cat=0&page=1
Sorry for the confusion.
We should change the title of this post
https://www.patriot-performance.com/...0&cat=0&page=1
Sorry for the confusion.
We should change the title of this post
#7
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http://www.texas-speed.com/shop/item...=1013&catid=48
There's their web page...what all do you want to know? I can get you whatever you need on these springs
There's their web page...what all do you want to know? I can get you whatever you need on these springs
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#9
Yea I was looking for this type of info on the PRC EHT .675's. I got the PRC's and patriots confused, sorry.
Patriot .660"s
Install Height: 1.800"
Max. Valve Spring Lift: 0.660"
Spring Pressure Closed: 155 lbs. @ 1.800"
Spring Pressure Open: 410 lbs. @ 1.140"
Coil Bind: 1.090"
Currently running Manley's
Lift:660"
OD:1.295"
ID:.676"
Install Closed pressure:155 @ 1.810
Open pressure:405 @ 1.150
Rate:379
CB:1.100"
Patriot .660"s
Install Height: 1.800"
Max. Valve Spring Lift: 0.660"
Spring Pressure Closed: 155 lbs. @ 1.800"
Spring Pressure Open: 410 lbs. @ 1.140"
Coil Bind: 1.090"
Currently running Manley's
Lift:660"
OD:1.295"
ID:.676"
Install Closed pressure:155 @ 1.810
Open pressure:405 @ 1.150
Rate:379
CB:1.100"
#10
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PRC EHT 675's
Install Height: 1.800"
Max Valve Spring Lift: 0.675"
Spring Pressure Closed: 157 lbs. @ 1.800"
Spring Pressure Open: 483 lbs. @ 1.125" (.675" Valve Lift)
Spring Pressure Open: 476 lbs. @ 1.140" (.660" Valve Lift)
Coil Bind: 1.060"
Spring Rate: 483lbs/in
Install Height: 1.800"
Max Valve Spring Lift: 0.675"
Spring Pressure Closed: 157 lbs. @ 1.800"
Spring Pressure Open: 483 lbs. @ 1.125" (.675" Valve Lift)
Spring Pressure Open: 476 lbs. @ 1.140" (.660" Valve Lift)
Coil Bind: 1.060"
Spring Rate: 483lbs/in
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Largest Stocking Distributor of LS-x Engines / CHECK OUT OUR NEW WEBSITE!
COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - AND MORE!
Largest Stocking Distributor of LS-x Engines / CHECK OUT OUR NEW WEBSITE!
COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - AND MORE!