Quote:
Originally Posted by 68WarDog
I've always believe you want a cold(condensed) fuel/air charge to the "hot" combustion chamber. The heat causes rapid expansion of the condensed charge, increasing compression and power.
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That is not correct. The spark plug provides the ignition source. Hot combustion chambers can cause pre-ignition and other problems. Hot chambers make less power. The rapid expansion of the burning air/fuel mixture pushing against the enclosed space is what makes the power. Every interaction the particles have prior to the ignition of the mixture favor COLD to make power. Heat is managed and dissipated, it's never desirable. If it was, you can put chemicals that burn WAY hotter than gasoline in your tank. They will just destroy your motor.
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77 Trans Am, 469 w/ported E-Heads via Kauffman, matched HSD intake, Butler Performance forged rotating assembly, Comp custom hyd roller, Q-jet, Art Carr 200 4R, 3.42s, 3 inch exhaust w/Doug's cutouts, D.U.I. Ignition. 7.40 in the 8th, 11.61@116.07 in the quarter...still tuning.
Last edited by Navy Horn 16; 05-19-2020 at 07:41 PM.
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