Need to wake up a 440!

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10-27-2007, 11:12 AM

#31

lear4406

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RE: Need to wake up a 440!

I believe these are the closed chambered heads and they add one point of compression to boot. We ran a set of 67 heads on a buddies 71 Challenger street racer and a 6pak carb set up. Took a lot of coin from the bowtie and blue oval boys.

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10-27-2007, 07:46 PM

#32

AmericanMuscleCarRev

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RE: Need to wake up a 440!

Yup, 915's are closed chamber and do add a point in compression.

Get the large valve version and you've got a great HP boost.

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