GoFastRacer

HDF Supporter

      
Big River, Ca
Posts: 63,269
APPD 7.40
Post Rank: 1
Spectra20
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Posted: April 26 2006,6:54 am |
Post # 4 |
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If your HEI is bone stock, an aftermarket coil and module and a good set of insulated solid core wires is a must. Your total is low, you should have 22 degrees in the distributer and 36 total all in by 2500-2800(do you have vacuum advance??)even 38 if your compression can take it, it will start very easy and run smoothe!. This will make a difference in your plug reading, no matter how much you lean it out, without a good ignition and proper timing you'll never burn the gas efficiently and the plugs will always show black!... As far as the prop goes CE is right, you should be just about running out of motor at the limiter, if you can't reach it the prop is too big and vice versa. But at the same time if you're close a different pitch may not help, efficiency is the key and and that can make a huge difference in mileage, not to mention a lot nicer to drive, that's where the prop guys come in, stock props are stock props all they do is move the boat. When I built my ski boat to pull the kids, I had my prop worked on 3 times before I got it right, and I went from using almost 20gals a day to less than 20gals for the whole weekend, and that was with a big block!... Something to think about!..
Edited by GoFastRacer on April 26 2006,6:55 am
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