Steve- why not use the lockup? I like having the lockup in the Suburban (only functions in 3rd & 4th of the 700R4).
Years ago I put a Fairbanks low-stall converter in a slightly-modified 289 Ranchero and saw about a one-MPG improvement in the long term. Anybody offer a low-stall lockup converter?
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Anybody else on this planet campaign a M/T hemi Pontiac for eleven seasons?
... or has built a record breaking DOHC hemi four cylinder Pontiac?
... or has driven a couple laps of Nuerburgring with Tri-Power Pontiac power?(back in 1967)
... or has a Pontiac born the same year as Jim Wangers? (1926} 
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