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Old 10-15-2006, 12:29 PM
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GM 3800 into GM G-body

Hi everyone!

I'm so curious about installation possibilities of GM 3800 Serie II engine into my beloved Chevy El Camino 1980.

I already know,that it was originally available with Buicks 231 V6 but is it the "same" engine as newer 3800 from, say, Buick Riviera FWD...I already installed TH200R4 tranny and 4.3L TBI V6, but maybe someday I'll want to upgrade to more modern GM3800 Series II or equivalent.

So anyone know, if FWD 3800 have same bellhousing pattern and block mounting provisions???

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Old 10-16-2006, 12:51 AM
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Nobody care to answer?
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Old 10-16-2006, 05:11 AM
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I believe the 3800 v6 has the same mounts and bellhousing as the 60 degree v6's (2.8, 3.1, 3.4)
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Old 10-16-2006, 10:30 AM
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3800 do use the same bellhousing pattern but the motor mounts are a little diffrent. The starter location is diffrent if Iremember right? I belive the starter is on the pass side for the RWD blocks and trans and its on the drivers/front for the FWD blocks and trannies. You can get a tranny and block from and F-body and swap all the Series II goddies over. Another problem your gonna run into is the computer. The Series II uses a BCM(controls body and motor functions)instead of a PCM(controls only motor). Holley, Edelbrock, Fast, ect all make a PCM that will run the Series II though. Good luck on the build.
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Old 10-16-2006, 11:07 AM
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Oh yes, that answer was much of help, thank you. On the other hand F-body 3800 V6 would be a nice swap too and maybe little less complicated.
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Old 10-16-2006, 11:32 AM
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Pretty easy swap either way, if you like or dont mind wiring. One of the biggest probs wit hthe swap has been the gauges in newer cars beeing electric. Since you elkys speedo and so forth is mechanical, your biggest hurdle is jumped. If you use a RWD short block and Series II top end your good. Your gonna need to get a better fuel pump as more FP is needed over your current TBI set up. l67swap.com is gonna be your best friend here.
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