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Re: 1970 Chevy Impala Custom
Pretty car. Hmmm... A dollar a pound. That's not too bad.
Free up the exhaust, from the heads back. The Ram Horns on it aren't bad, but they aren't optimal.
What is the transmission like? TH350? Depending upon the converter stall and rear axle gearing, you may be able to make some improvements.
No matter what you do or don't do, 309HP to the ground is not too shabby for a 350.
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