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Old 10-14-2019, 08:38 AM
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footjoy footjoy is offline
Chief Ponti-yacker
 
Join Date: Oct 2009
Location: KC
Posts: 977
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I probably wouldn't have started this thread except, I have owned two Pontiacs.

1. 1964 GTO 389 bored ,060 tri power other than the bore everything else was stock. 4 speed and 3:23 rear end. At 65 mph it got 18-19 mpg.SOLD

2. Currently 1965 tempest conv. 400 bored .040 crower 60240 cam #15 heads(small valve)
performer intake 735 cfm Quick fuel. Overdrive with 3:73 gears final 4th gear
2.55. at 65 mph 12 mpg.

Thursday I am taking it a shop and they are going to run it on there dyno and check AFR all the way through the gears.

I'm thinking put a tri power on it maybe lightning will strike twice. lol

Thanks


Last edited by footjoy; 10-14-2019 at 09:18 AM.