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1976 Olds Cutlass BBC

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Post by cfoster Fri Dec 07, 2012 2:32 pm

I know i am going to get beat up about this but i am in the process of getting parts together to put a Big Block Chevy in my Olds. Does anyone have any experience with this conversion on even with a SB - BB conversion in a Malibu, Monte, or est. I have a uni fit trans So i dont think ill have issues with that. I am more concerned with the motor mounts and what not (which to buy or use).

Any help would be great thank you
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Post by 77mali Fri Dec 07, 2012 6:46 pm

I've seen Chevy motors in lots of cars other than Chevy....heck GM put Olds engines in Pontiacs, so no reason why you shouldn't.

Which BBC do you plan to drop in it? If the motor is out already post a pic of the frame holes that the mounts will have to fit in. That might help you cause as far as someone making a recommendation for which ones to get.
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Post by cfoster Fri Dec 07, 2012 7:27 pm

Mid 70's Mark IV bored 30 over. The motor is out yet waiting to get the BB together first then do the swap.
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Post by JiMi_DRiX Sat Dec 08, 2012 12:59 am

I would check that all your accessories are going to bolt up right. I think I remember that Olds had the alternator, AC, mounted in different locations than Chevy.
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Post by pila Sun Dec 09, 2012 9:52 pm

Your one issue may be re-routing some wiring. The A-body frames usually have all the bolt holes you will need , in the front cross-member.
As far as Chevy engines are concerned, my partner's '78 Regal came with a 305 Chevy engine. It's all corporate stuff being swapped around, I would think, and maybe why the 200-4R trans has dual bolt patterns.

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Post by Joe73 Sun Dec 09, 2012 9:58 pm

I had a 77 Olds Delta 88 that had a chevy 350 in it.
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Post by JB2wheeler Mon Dec 10, 2012 2:55 am

There was a lawsuit at one time, maybe early 80s, where someone with a new Olds did not like the idea of their new car having a Chevy engine in it. JB
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Post by brownbomber77 Mon Dec 10, 2012 1:41 pm

http://www.screech.ws/73-77a/index.html

This guy put a 468 in his '77 Cutlass. If you tool around his pages, I think you'll be able to find all the parts. I figured everything should bolt up with Chevy accessories...

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Post by cfoster Mon Dec 10, 2012 1:54 pm

Thanks brownbomber77 i found that site a few years back but could not remember what it was called. Thank again.
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Post by Bruisr Tue Dec 11, 2012 9:31 pm

I realize this is a little off, but when I swapped from a 350 to a 454, The motor mounts were able to be reused just moved closer to the radiator. There was several bolts holes already in the crossmember. Do you know if you have extra holes in your crossmember?
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Post by 77mali Tue Dec 11, 2012 9:44 pm

Should have lots of extras (too many, in fact)
1976 Olds Cutlass BBC P1030429
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