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max cam lift 

 

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 Post subject: max cam lift
Posted: Fri Jun 30, 2006 1:14 pm 
Getting Side Ways
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Ride: 97 EL XR6

Power: 162 rwkw

Location: liverpool
NSW, Australia

im looking at putting a cam in without changing springs, how much lift can i have before it causes coil bind in the springs, what the limit?

 

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Posted: Fri Jun 30, 2006 2:08 pm 
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Depends on a few factors, but I personally wouldnt go much past 480 on standard springs.

 

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Posted: Fri Jun 30, 2006 7:59 pm 
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how much lift on old springs? no more then stock. i know alot of people do run bigger cams with old springs but it's a gamble. i've seen up near .520 on XR springs and on one of the heads i have here i messured .615 at the point the retainer hit the valve seal.

 

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Last edited by tickford_6 on Sat Jul 01, 2006 8:45 am, edited 1 time in total.

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Posted: Sat Jul 01, 2006 2:18 am 
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Ive seen many std springs be pushed to the 0.530" range, but your gambling with it cause as tickford_6 said they arnt a good idea to stretch further than what they are used to

 

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Posted: Sat Jul 01, 2006 12:30 pm 
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My Crow cam has 0.530 of lift. But it more depends on how steep the lobes are. I don't get any valve bounce and haven't had any problems with the coils binding, When I instaled the cam I checked and there was still good clearance between the coils.

 

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