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  1. DadGum_Teen

    how to get 400+ hp out of my stock 72 340????????????

    Someone on a different site told me a while back (he owned a port shop), nooo polishing, unless your gonna be running 7500-8000rpm+. It's mainly used for the little Chinese cars running around. Smooth surfaces will cause the mixture molecules to stick to the walls of the ports. But If I remember...
  2. DadGum_Teen

    Anyone Know of Online Engine Dyno Software so I Can Test a Few Combos?

    Engine analyzer is suppose to be one of the best, you can try a free version of it here. <--This is a direct download link of an .exe. If you do not feel comfortable you can find it in their website. But one thing you gotta make sure and do is run the numbers you get through a drive train loss...
  3. DadGum_Teen

    Those running pump gas.

    Im not much of a fan of static C/R since it doesn't mean much in the end, but if you take the time to find the dynamic C/R, somewhere around 7.5:1, 8.5:1 is acceptable for pump gas. With you have a pretty meaty cam, I'm sure you'll be just fine on 93. Numbers found from...
  4. DadGum_Teen

    What are the 340 weaknesses?

    Don't forget the ARP rod bolts! I say it's a must have. One of those "just in case" times.
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