Nitrous plumbing A1A...??..

Hot Metal said

2 deg retard NA from your best setting won't make much difference in power, (5>8hp?), have you tried it to see the difference, unless of course your already around 30 total deg because of your combo/fuel etc, which I doubt. On my iron headed 10:1 340 motor being back 2 deg (34deg) which was the most I came back made no difference for NA runs which was 90% of the time, ET/mph was the same, but that was my set up not yours.

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Having an automatic retard box allows a street/strip car to be much more spontaneous. Allows you to pull more timing than required for added safety margin while spraying on pump gas, without giving up any NA power or mileage. When I pull up to a spot I don't have to get out of the car to adjust timing or air pressure, just flip the switch and reach behind the pass seat and turn on the bottle. Retard box then takes care of the timing, 'tamer takes care of the traction, nitrous delay sneaks the nitrous hit in right around clutch lockup where it least upsets the chassis/traction.

Grant