Valve springs
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dwg86
- Donator
- Posts: 1205
- Joined: February 13th, 2008, 6:20 pm
- Stroker Displacement: 4.6
- Vehicle Year: 2003
- Vehicle Make: Jeep
- Vehicle Model: Wrangler
- Location: Atlanta, Ga
Valve springs
I'm trying to figure out what valve springs to run. Crane shows using 96806 for the 4.0. They only have 204 lbs/in. Is that enough pressure? The 99833 have 328 lbs/in and the 96803 have 330 lbs/in with a damper. Does anyone know the stock spring pressures? I haven't decided on a camshaft yet, although I know it won't be a Crane. I am thinking of a custom ground Reed camshaft.
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seanyb505
- Donator
- Posts: 447
- Joined: February 16th, 2008, 9:34 am
- Stroker Displacement: 280ci
- Vehicle Year: 1997
- Vehicle Make: Jeep
- Vehicle Model: Cherokee
- Location: West Palm Beach Florida
Re: Valve springs
Im thinking of getting the stock piece reground. Ive read about all the crane failures and I dont want to risk it even if it is only the lack of stuff in the oil. I want to use the older cam from 95 and down cause it has more lift and duration than the 96 and up stuff. As for the springs I think I may be getting the Mopar springs #5249464. Theyre rated to .525" of lift. As for stock pressures - "Seat pressure 85psi, open pressure (0.424" lift) 200psi" - Dr. Dyno
Now I can be like all those other awesome people with more than one Jeep in their sig, but now I have to say one of them is sold:(
97 XJ 4.6
90 MJ 4.0 - sold
I want to have as many Jeeps as children. DD, offroader, drag MJ and another one. 4=4
97 XJ 4.6
90 MJ 4.0 - sold
I want to have as many Jeeps as children. DD, offroader, drag MJ and another one. 4=4
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