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If you just want it running well and don't really give a crap about being able to squeeze every bit of horsepower out of that (as you noted) smogged-out 454, you can swap on a late-gen 454 TBI setup from the boneyard pretty simply. It's a very common swap on AMC 401s and given that you have a 454, you might even be able to bolt it on (possibly including buying the intake manifold from the donor? I don't know if it'll bolt up, but it's worth checking into maybe) instead of having to make an adapter plate. A few pages about this: http://www.gearhead-efi.com/gm-ecm-pcm-conversion/tbi-efi-conversion.html https://www.fourwheeler.com/how-to/engine/1801-junkyard-fuel-injection-conversion/ the page I first read about this from: http://www.bigscaryjeep.com/TBI_FAQ.html You can probably do it for under 200 bucks in parts. Maybe a bit more if you get nickel-and-dimed at the junkyard checkout counter. e: this is referencing swapping it onto an AMC motor, but the same rough steps apply to a GM motor of the same rough vintage, except you don't have to do some of the steps, like you might be able to just use the donor's intake manifold instead of making an adapter, and might be able to just swap the donor's distributor instead of customizing yours to provide cam synch to the ECU. Also, pretty awesome that you missed smog testing by 5 years, so you won't have to argue with a smog tech over this despite it being better than the factory equipment emissions wise. kastein fucked around with this message at 02:57 on Sep 18, 2020 |
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Sep 18, 2020 02:52
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| # ¿ May 19, 2024 01:56 |
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Raluek posted:the motor is a Pontiac 455, not a Chevy 454. Crap, how did I screw that up? I was even discussing the complete incompatibility of the various GM marque big blocks and small blocks of that era with BigPaddy last week, I should not have gotten that wrong.
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Sep 18, 2020 09:56
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Could be 5P0 too.
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Oct 18, 2020 21:52
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I voluntarily installed a DTS (top and side post) battery in one of my projects and I kind of like the side posts TBH. I'm using the top positive terminal and the side negative... Only reason I can see to not like it is if the threads strip out, but I've been careful so far and that hasn't happened. That battery cable looks pretty sad, especially the fender ground portion.
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Nov 2, 2020 18:33
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