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#21
01-16-2021, 03:13 PM
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I agree Thanks B-man!!
I am thankful this thread has been made a sticky so that we can find it easily, Thanks.
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"No replacement for displacement!" GTOAA--https://www.gtoaa.org/ |
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#22
01-16-2021, 07:05 PM
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Excellent post as always!!. Appreciate the side by side pic. Thanks again, B-man
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Jim Moshier 1971 Grand Prix 462ci SD Performance 6x heads 1962 Catalina 389 1968 Firebird 400-455 I haven't decided "If we ever forget that we're one nation under GOD, then we will be a nation gone under." - Ronald Reagan |
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#23
11-05-2021, 12:30 PM
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Great information! I’m new to pontiac engines so please bear with me.
I just recently bought a late 55 GMC that has the 316 Pontiac and hydramatic transmission. I’d like to swap the engine out for a 389 and rebuild it for maximum torque and towing not all out hp. I’d also like to convert to multiport efi with a 4v throttle body for better reliability and economy. I also want to add power steering and brakes to make it more enjoyable to drive regularly and especially when towing a trailer. I’ve found a 60 389 that has the correct bell housing pattern to work with my trans. In your experience, what do you all recommend for building that motor for my goals? I’d really like to keep the truck as period correct as I can so that it can easily be restored to original later on. Otherwise I would swap in the 6.2 Escalade engine and 4l80 I have stashed away. That 389 sure would look good in my old truck painted gmc crimson red with chrome valve covers and a big chrome air cleaner! TIA |
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#24
11-05-2021, 02:46 PM
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Looking as you say for better reliability from the electronics made in China that are part of a FI system will disappoint you sooner or later and if your lucky maybe get you home in limp mode at 10mph!
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Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! And he was not talking about 1/8 or 1/4 mile ETs! 1) 1940s 100% silver 4 cup tea server set. Two dry rotted 14 x 10 Micky Thompson slicks. 1) un-mailed in gift coupon from a 1972 box of corn flakes. Two pairs of brown leather flip flops, never seen more then 2 mph. Education is what your left with once you forget things! |
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#25
11-06-2021, 12:55 AM
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"Maximum torque for towing"- I suggest a 455. And bite the bullet and replace the old HydraMatic with something more modern (and serviceable).
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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) |
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