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Old 01-30-2010, 09:38 AM   #1
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valve spring lift

Hey does anyone know the lift on a 318 valve spring. I need to know so i can get my cam, and i dont want to have to take my springs out to see. thank you
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Old 01-30-2010, 10:04 AM   #2
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are yours old or new ?
do you want a higher lift cam then standard ?
because you usually buy springs to suit the cam .
I'd say std new 318 spring would take around 440 lift .
& thats if there new . springs loose tension ( just like chicks do ) after a fair bit of use .
paw performance automotive had some for about $40-50
Mancini racing has comp cams springs for $60
both of the above springs were good for .500" lift
just shop around on line & find the closest spring rate to your cam lift
just remember you need lifters as well .
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Old 01-30-2010, 10:36 AM   #3
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yes i deffinetly want a higher lift cam. my heads are older heads that came with the motor, im assuming. the guy that sold me my car told me everything thing was stock on it but i dont think he knew much about the car. When i looked at my engine i discovered a wein intake manifold, and i think my exauhst pipes are new with flowmasters. but i will look for some springs and lifters
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