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six pack vs. large cam

Started by Rolling_Thunder, December 15, 2010, 11:29:15 PM

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Rolling_Thunder

December 15, 2010, 11:29:15 PM
Hello gents - looking for some advice...       I am building a 440 for my 69 Road Runner and currently have a Demon six pack set up...          I have the opportunity to swap for a correct 1969 six pack Holley set up...      the problem is that I have heard horror stories about tuning a six pack with a larger cam -  first off is this true ?

I know the Demon carb set up the outer carbs are mechanically opened as opposed to the vac style holleys...      I like the idea of running stock style carbs (correct look as I am building an A-12 clone) but if the Demons work better I have no problem running them...

any input will be appreciated.

Cam: 288*/298*         238*/249* @ 0.050"       110*LSA        .534" / .557" Lift

Will run Edelbrock Performer heads - 10:1 compression - forged crank - 1 7/8" headers
1968 Dodge Charger - 6.1L Hemi / 6-speed / 3.55 Sure Grip

2013 Dodge Challenger R/T - 5.7L Hemi / 6-speed / 3.73 Limited Slip

1964 Dodge Polara 500 - 440 / 4-speed / 3.91 Sure Grip

1973 Dodge Challenger Rallye - 340 / A-518 / 3.23 Sure Grip
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