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PSI/KPA For spring change. 

 

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WagonDad
 Post subject: PSI/KPA For spring change.
Posted: Fri Dec 01, 2006 8:59 pm 
Getting Side Ways
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Hey fella's. Just want to know what pressure to use when changing valve springs over with the head still on. I'm assuming around 100PSI but assumption can get you into trouble.

 

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4.0L EF Fairmont Station Wagon. EL GT Snorkel. K&N Pod in air box. 3" Intake piping.
Home port job. 1636 Wade cam. Wildcat Extractors, 2 1/2" cat and exhaust.
2200/2400rpm Dominator More Stall. Stage two mechanical shift kit. 3.73 4 pinion LSD. 15.078 @ 92mph.
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Squeca
Posted: Sat Dec 02, 2006 11:22 am 
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yeah i did mine on wednesday and that is all i used. 90psi. Did the trick.
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Jaysen
Posted: Mon Dec 04, 2006 12:11 am 
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you can get away with as low as 50-60psi, but a little higher makes it easier to crack the exhaust valve collets

 

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WagonDad
Posted: Mon Dec 04, 2006 8:32 am 
Getting Side Ways
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Ride: EF Fairmont Station Wagon.

Power: 150 rwkw

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Thanks guy's, all done over the weekend, ended up using 80 PSI. Not the easiest job in the world to accomplish but we got there.

 

_________________

4.0L EF Fairmont Station Wagon. EL GT Snorkel. K&N Pod in air box. 3" Intake piping.
Home port job. 1636 Wade cam. Wildcat Extractors, 2 1/2" cat and exhaust.
2200/2400rpm Dominator More Stall. Stage two mechanical shift kit. 3.73 4 pinion LSD. 15.078 @ 92mph.
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