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Discussion Starter · #1 ·
looking to change cams have a comp custom cam.its a 240 248 at 50 ,721 lift both lobes .also it the ez lobes because drove it on drag week last year.here are the engine specs. turbo spool up little slow i think


555 bbc
profiler 375 runner
flow 415 at 700 lift
422 at 800
efi
904 lifter solid roller
8.9 to 1
twin 88mm billet turbos
powerglide
drag radial
9 in ford 3.89
weighs 3400 lbs

sure there something i left out .
 

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Butch
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Cam in it now? I would be willing to bet the exhaust duration is too high
 

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Discussion Starter · #5 ·
Max rpm now is about 7000 I have shifted as high as 7500.4.560 bore x 4.250 stroke x6.385 rod
 

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Discussion Starter · #6 ·
When I say 7000 now I mean it doesn't go any faster shifting higher
 

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Discussion Starter · #7 ·
no suggestions.
 
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