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Purchased the Comp Cams Xtreme Energy XE270HR Cam for my '94 GT. I have the GT40P heads and upper/lower intake also. When installing my cam will i also need to change valve springs? Or can i just use the stock setup?
 

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Discussion Starter #2
Intake Exhaust
Valve Lash: Hyd. Hyd.
Duration: 270 276
Duration @ .050" Lift: 218 224
Valve Lift: 0.544 0.544
Lobe Lift: 0.321 0.321

Valve Timing @ 0.05" Lift: Open Close
Intake: 27 BTDC 63 ABDC
Exhaust: 74 BBDC 22 ATDC

These are the specs for the cam. Also can i use the stock rockers? Ive read that stock are 1.6 and people have used 1.6 with this cam. jw how much more money im gonna have to spend on this
 

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That cam was designed for 1.7 ratio rockers and you'll definitely need to upgrade the valve springs. This isn't the time to cheap out and reuse stock rockers/springs.
 

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i plan on using the same cam. did your 1994-95 computer give you any problems? i plan in using a sct chip. TIA
 
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