Mark VIII drivetrain swap into 98' Mustang V6? - Ford Mustang Forums : Mustang Forum
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post #1 of 3 Old 10-15-2009, 10:58 AM Thread Starter
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Mark VIII drivetrain swap into 98' Mustang V6?

I'm surprised at how little information I'm finding on this topic. I figured there would be tons of info, but I'm coming up short big time.

I've got a 1998 Mustang V6 Auto. Even though the car runs and drives fine and has had a bunch of work done to it replacing things, the bottom end still has 233k on it.

I was looking around on craigslist and have found several Mark VIII's locally for under $1k. I'd like to keep this as cheap as possible, but I will spend the money if it's necessary as I want this to be reliable.

Are there any good links on this swap and what all is needed to do this? I believe it would physically bolt in, even with my stock k member, but what about:

-fuel system
-braking system
-driveshaft length
-will the shifter line up with the stock shifter hole when using the Mark VIII 4R70W auto
-What all is involved with the wiring? I know I'd obviously use the Mark VIII engine harness, trans harness and ECU. How does this work with the body harness on my car?
-Will the cluster swap over?
-I'd swap in a solid axle 8.8
-Is the radiator useable from the Mark VIII? I know the fan is compatible.
-Can I run the stock Mark VIII intake manifold?
-I'd definitely throw on some long tubes during the install of the engine/trans
-What else can be used off the donor car?

Thanks for all the help guys!

1993 Mustang LX SOLD
2007 R1

Last edited by 5.0calypso93lx; 10-15-2009 at 11:01 AM.
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post #2 of 3 Old 10-18-2009, 01:17 PM
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If i were you I wouldnt be doing a search for a V6 to 32v swap i would be looking for a 98 Gt to 32 valve swap... I'm positive it will work... just for the fact the 98 cobra had that engine in it..
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post #3 of 3 Old 10-26-2009, 07:29 PM
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I put a 98 Cobra drivetrain into my 94 V6. Your better off finding a donor car that way youll have all the parts youll need to swap over. I wouldnt spend the time nor money on the Mark 8. If youre looking to do it cheap, I wouldnt do it at all. Its not going to be cheap if you want it reliable.

94 V6 to 98 Cobra swap.
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