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Piston to Valve clearance

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Old Sep 21, 2006 | 07:48 PM
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Originally Posted by boostedOne
Cool, good to know. I just heard somewhere the exploder pistons dont have as big a valve releif. Not sure if its true or not though.
Its true. plus there cast pistons
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Old Sep 21, 2006 | 07:48 PM
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Originally Posted by boostedOne
hey if you'd run it, thats good enough for me
And thats all that matters
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Old Sep 21, 2006 | 08:12 PM
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Your Explorer pistons have different valve reliefs than do the Mustang pistons.
.075 should be ok. Springs new?
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Originally Posted by cochese
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Old Sep 22, 2006 | 05:24 AM
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Originally Posted by boostedOne
Fuck that! I just bought em! Not a bad deal for $60..LOL.. Thanks Corral. Full rollers too.

Its gonna turn that E cam into something a little meatier. I forgot to mention it in the original thread somehow, but the cam dialed out at like .535 or .540 lift

Not that i think a P head will flow for shit at .540, but it should get the valve opened to a point where it does flow well alot quicker than it would with 1.6s...
you mean .529?
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Old Sep 22, 2006 | 06:27 AM
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Originally Posted by boostedOne
That assumes the ratio is exactly 1.7....
Depending on how the pedestal is set up, valve and pushrod length, etc, the lift will vary.
When I was installing the X Cam on my GT with stud mount rockers and using a solid lifter compressed .040", depending on what pushrod length I used the lift at the valve went from the low .530s all the way up to .545... On a cam that has a theoretical lift of .542....

So quit bustin my balls about the exact number out of the calculator.
your dial indicator is probably just off.

if i pull a car 1 foot with a six foot rope or an 8 foot rope, it still moves 1 foot.
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Old Sep 22, 2006 | 07:54 AM
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Originally Posted by Steve B
your dial indicator is probably just off.

if i pull a car 1 foot with a six foot rope or an 8 foot rope, it still moves 1 foot.
you just gotta love an analogy by Steve B.
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Originally Posted by cochese
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Old Sep 22, 2006 | 08:02 AM
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Originally Posted by $hawn
you just gotta love an analogy by Steve B.

you cows, get off the people train.
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