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post #1 of (permalink) Old 07-23-2004, 01:49 PM Thread Starter
 
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Northstar Tech?

Stupid question but does anyone here know if the 4.6L engine out of a Cadillac STS will bolt up to a 700R4? Is it possible to swap this engine in place of a Chevy 350? I assume a starter mount would have to be facricated and the upper intake plenum reversed but I am wondering if anyone else knows what is involved in putting a 4.6L from a FWD into a RWD vehicle? Any help, hints or links would be greatly appreciated. Thanks guys,
Nick
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post #2 of (permalink) Old 07-23-2004, 04:20 PM
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Re: Northstar Tech?

I recall JP magazine doing a Northstar swap into a flat fender a few months back. I don't remember the particulars, but it seems there was a lot of fab work and huge $$$ involved. I know its not much help, but its a start.

On a side note, I think it would be a way cool swap. Keep us posted as to what you find.
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post #3 of (permalink) Old 07-23-2004, 09:17 PM
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Re: Northstar Tech?

Here is a pretty informative article to start with.
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post #4 of (permalink) Old 07-24-2004, 12:28 PM Thread Starter
 
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Re: Northstar Tech?

Thanks guys, i found that caddy link last night. I can't find much else though. I think I'm going to go ahead and pull the engine out of the donor irregardless of whether or not it will work in the long run. If anyone else can find any info it's much appreciated. Thanks again,
Nick [img]images/graemlins/40BEER.gif[/img]
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post #5 of (permalink) Old 07-25-2004, 04:56 PM
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Re: Northstar Tech?

I found part of the article that was in JP. Part II is in the May 2003 issue.

Here is what they say about manual transmissions:

Both the Northstar and Shortstar use the same 60-degree bellhousing bolt pattern of the GM 2.8L V-6 and Jeep 2.5L I-4 engines. The Shortstar has its starter on the driver side and will require gentle clearancing of your bellhousing or transmission case but should otherwise bolt in place of your 2.5L. The Northstar requires one bolt hole on the passenger side to be moved up 1 inch, and you need to cut a hole in the top of the bellhousing for the starter.

If you're getting hung up on choosing a flywheel and clutch, don't worry because Centerforce is working on a part number as of this writing. Centerforce currently has 9-1/8-inch dual-friction clutch sets that can handle even the most modified Northstar V-8's (or Shortstars) and should have flywheels available by the time you read this.
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