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Not sure what i was thinking but, this is my next project. 69 GTO Mayfair maize, parchment interior. 400 auto hideaway headlight car. Its been off the road since 84. Price was right so here we go!
I've wondered if 1 7/8 headers wouldn't be better but I already had the 2 in that were jet hot coated. The converter is a 3k stall and 3.55 gear. A little more gear probably wouldn't hurt.
So, im curious. What are the horsepower/torque estimates for my 440 are.
Dynosim 6 say 590 but I think that's quite high. I'm thinking closer to 500-525. So what's your thoughts?
Thanks!
77 440. Wiesco pistons measured 9.84:1.
Trick flow 240 heads
1.6 mancini rockers
Comp xe 285hl cam.. .545...