Re: Merge collectors
Very good info Calvin. Thanks for taking the time to chime in with your observations. I have been working on a set of 421 headers for my car and this has been some good info. I am trying for some more low end with the headers. I have straight 4 to 1 on the car now. The 421 are stepped. only time will tell.
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Mike Pearson 2485 SS
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