Drivetrain > The Nailhead

Distributor

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Jim:
Hi ,just wondering how bad is the stock curve Is i see on some sites10-15hp just on rebuilding the distributor, I have an extra intake thinking of the doc 2 plane mod  and new gaskets that block the heat crossovers is it worth  doing it while keeping the stock carb .any thoughts ?.Jim

GS66:
I?d say it?s worth it. The new TA aluminum intakes come with the docs mod, I have one.

WkillGS:
My cars liked the extra initial timing of the 2x4 spec distributor.... it helped off-the-line performance.
The 2x4 dist uses 10 degrees initial advance vs 2 deg of the std dist. Both have the same max advance of 30 deg.
I put lighter advance springs it as well, full advance by 3000 rpm vs 3900 rpm stock.

As far as the heat crossovers, Doc liked to keep them, he felt the heat helped atomize the fuel and improved drivability.
I install plugs in the manifold in the channel just under the carb. It still warms the intake, but carb is cooler.
Different intake gaskets will keep intake cooler.
Tough to definitely say what works best, how you're using the car (and the weather) influences your choice.

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