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PRC dual springs life expectancy??

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Old 07-21-2005, 02:34 PM
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Default PRC dual springs life expectancy??

just wondering about how many miles these guys should last on a MS3?
Old 07-21-2005, 02:36 PM
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We try to swap them at about 40k miles, but the ones we've removed have held pressures very well
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Old 07-19-2011, 12:32 PM
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I ran the PRC duals for 48,000 miles and when I replaced them they were still within spec. The cam they were on was 232/234 duration and .598 lift on a 112+0 LSA.
Old 07-19-2011, 01:42 PM
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Originally Posted by slt200mph
I ran the PRC duals for 48,000 miles and when I replaced them they were still within spec. The cam they were on was 232/234 duration and .598 lift on a 112+0 LSA.
Did you ever pull yours to check them or did you just replace them at 48k? Because I would like to just do that. I would like to run them for 40k and not have to worry about checking them if I could
Old 07-19-2011, 02:54 PM
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Had the valve covers off about every 10,000-12,000 miles and made sure none were broken. But that was about it. After talking to Texas Speed I felt pretty comfortable about the life of those springs.
Old 07-19-2011, 03:26 PM
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This info is good to know. Since I only put around 3,000miles a year on my corvette, I will probable sell it before I have to change them out. I plan on getting a C6 Z06 in a couple of years.
Old 07-19-2011, 10:23 PM
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What about the 675 eht springs
Old 07-20-2011, 04:13 AM
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Why do these questions come back again and again?
Springs DO NOT HAVE AN EXPIRATION DATE. Once you cam, part of it all is to do a maintenance check on them. Once a year or every 15K miles.
They can last from 100 miles after install to over 40K miles after.
There is no light that comes on and asks to change them.
I get so tired of the same Qs say after day. Do a bloody search function.

Before you cam, have the right budget, include money for tune immediately. There will be increased maintenance, do not take shortcuts, do it right the first time or do not touch your car.
Old 07-21-2011, 07:23 AM
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Then don't click the link to read the thread. Get off your high horse and let the man ask the question. If your time is so valuable, don't spend it all surfing the net.

Some of the overblown know it all attitudes are really getting old around here.

I hope you were just having a bad day before you responded.

Parts of your answer are correct. There is no set time. I has more to do with mileage with a particular cam profile. That being said TSP is know to have some pretty aggressive lobes in the selection.
Old 07-21-2011, 08:06 AM
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Originally Posted by 1madss
Then don't click the link to read the thread. Get off your high horse and let the man ask the question. If your time is so valuable, don't spend it all surfing the net.

Some of the overblown know it all attitudes are really getting old around here.

I hope you were just having a bad day before you responded.

Parts of your answer are correct. There is no set time. I has more to do with mileage with a particular cam profile. That being said TSP is know to have some pretty aggressive lobes in the selection.
http://www.offthemarkcartoons.com/ca...2006-04-06.gif
Old 07-21-2011, 01:04 PM
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Relevance?

Did you even take note that the OP posted the question in '05 and had an answer from the horse's mouth in 05? If you need to pitch a fit do so at the person that responded to the 6 year old thread.

slt200 - no offense intended.


Originally Posted by Sprayed1998
What about the 675 eht springs
I'm curious on the experiences with the .675 EHT springs so far as I run these.
Old 07-21-2011, 01:39 PM
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Tsp says the .675 eht springs last even longer



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