Thread: Cheap Low miles 3.8 engine

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  1. #1 Cheap Low miles 3.8 engine 
    GT Level Member Jason97GrandprixGT's Avatar
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    Hey I found a 3800 supercharged engine with low miles. It have the full harness and computer for 200. Would it be a good idea to install it in my 97 grand prize GT?

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  2. #2 Re: Cheap Low miles 3.8 engine 
    GT Level Member Nitvid's Avatar
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    I just paid $300 (plus an additional $110 for shipping) for an S/C engine with 100k miles on it to put into my 99 GT. the yard apes at the junk yard cut the harness, but it had the ends I needed to make it work.
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  3. #3 Re: Cheap Low miles 3.8 engine 
    GT Level Member Jason97GrandprixGT's Avatar
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    Wat All did you have to do to put it in because it have the harness and computer with it and i already have my old engine out of my car

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  4. #4 Re: Cheap Low miles 3.8 engine 
    GT Level Member Nitvid's Avatar
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  5. #5 Re: Cheap Low miles 3.8 engine 
    Donating User Swiggles's Avatar
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    Do some more research before you jump on it. 97 GPs use the 4t60e trans which uses vacuum, 98+ don't, not a big issue. The Pcm on 97s are also a little different, same connectors but I believe you need to use a 97 pcm, one from a gtp would work but you'll need to program it for the gt trans. There's probably a few things I'm missing.

    It can be done it's just not as simple as dropping it in and plugging in the Pcm. If you get a 97 gtp motor, trans, Pcm, and harness then it would be that simple.
    No more GP 04 Impala SS Indy:
    Gen V 3.4”|FWI|N* TB lq4 MAF|1.9 Modded Rockers|F&R Plogs|ZZP 3" Catted DP|ZZP 2.5" Catback|
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  6. #6 Re: Cheap Low miles 3.8 engine 
    Killa Bee Scottydoggs's Avatar
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    Quote Originally Posted by Jason97GrandprixGT View Post
    Hey I found a 3800 supercharged engine with low miles. It have the full harness and computer for 200. Would it be a good idea to install it in my 97 grand prize GT?

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    depends on what tranny you have if you should sc or not. maybe find the tranny too if need be.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  7. #7 Re: Cheap Low miles 3.8 engine 
    GT Level Member Jason97GrandprixGT's Avatar
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    Im not worried about the trans going out, my mechanic do a trans Job for 300.

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  8. #8 Re: Cheap Low miles 3.8 engine 
    GT Level Member Jason97GrandprixGT's Avatar
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    Im getting the motor, wire harness and computer. I can get a later year trans when the one that i have go out

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  9. #9 Re: Cheap Low miles 3.8 engine 
    Killa Bee Scottydoggs's Avatar
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    the pcm wont work for your tranny, it needs to be tuned for that. run a tune for the wrong gears and the tranny eats itself.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  10. #10 Re: Cheap Low miles 3.8 engine 
    GTX Level Member EJOUIE's Avatar
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    A tune is always a good idea anyways.

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    97 GT white 4 door-SOLD

    Cherry 2005 Impala LS- Front and Rear GMPP Strut Tower Braces
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  11. #11 Re: Cheap Low miles 3.8 engine 
    Donating User Swiggles's Avatar
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    There's more then $300 in parts to rebuild a tranny, most run $1500-3000
    No more GP 04 Impala SS Indy:
    Gen V 3.4”|FWI|N* TB lq4 MAF|1.9 Modded Rockers|F&R Plogs|ZZP 3" Catted DP|ZZP 2.5" Catback|
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  12. #12 Re: Cheap Low miles 3.8 engine 
    GT Level Member Jason97GrandprixGT's Avatar
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    I get my tranny from the junkyard for $75 and labor cost be 300

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  13. #13 Re: Cheap Low miles 3.8 engine 
    Donating User Swiggles's Avatar
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    So how many junk trannies have gone through?
    No more GP 04 Impala SS Indy:
    Gen V 3.4”|FWI|N* TB lq4 MAF|1.9 Modded Rockers|F&R Plogs|ZZP 3" Catted DP|ZZP 2.5" Catback|
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  14. #14 Re: Cheap Low miles 3.8 engine 
    GT Level Member Jason97GrandprixGT's Avatar
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    On my second tranny and Third engine

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