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Aluminum Powerglide

Automatic Transmission - 2 Speed

1st Gear: 1.76/1.82
2nd Gear: 1.00

- Used in production GM models from 1962 thru 1972.
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Re: (tuning) - A few DOH!! Moments....

Subject: Re: (tuning) - A few DOH!! Moments....
by djxib on 2011/10/18 1:52:41

Quote:

AKS_Racing wrote:
Quote:

djxib wrote:
... Just need to dial in my PE on a dyno - currently running 4800 RPM limit and 26 degrees max spark and a little rich for safety.

How much boost? That seems like a lot of spark advance, unless you are running some really inefficient heads, or have something special for the cam.

Remember, you can loose power on the upper end with more advance than the combo truly needs.
Aaron

Thanks Aaron - at the moment only 5/6 pounds (controlled via RPM limit) until I can get a wideband hooked up. TBH I dont plan on touching the spark (yet). I'm also spraying 50/50 alcohol on a 2-stage controller that kicks in at around 5psi and then doubles flow at 10psi. Heads are CNC'ed LT4 heads, cam is a 236/246 with 1.6 rockers on a 115 LSA.

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