318ti.org forum - 318ti swapping in M52... Need opinions help

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- - 318ti swapping in M52... Need opinions help (http://www.318ti.org/forum/showthread.php?t=41303)

brandnew07z

04-07-2015 07:10 AM

hey everyone just wanted to thank everyone again for their info. I just finished pulling the motor from the donor car, power washed it, and in a few days, will start replacing gaskets and making sure everything is ready to go. I'm pulling the ti motor this thursday. =)

What really gets me is how people have pulled motor and tranny as a single unit. Thats what we did and I'll tell you what a pain. I'm glad I'm junking the rest of this car when I'm done, because we had to take off the front clip, drop the power steering rack, and remove motor mounts from the engine itself. That isn't exactly what I've seen other people doing. A lot of work it was. I will definitely NOT being trying to drop motor and tranny into the TI as a unit. I think its going to be a lot easier dropping motor and sliding tranny forward.

I'll post some pictures tomorrow.

BRADESTAR

10-30-2015 05:24 AM

Quote:

Originally Posted by wolferj (Post 371392)

I was thinking backwards on the engine harness/body harness...

Since your ti is a manual, no need to worry. If you were doing the trans swap as well, then the car's General body module (ECU) would be looking for a trans and trans DME and throw errors. But you don't need to worry about that, you will just have a extra spot on the harness for a connection to the Trans stuff you won't use.
.

Hey James, I have a question about this. I'm researching my swap and this is the first I've seen of the body ECU caring about the transmission type. I thought that if going from auto to manual and the engine DME were from manual, all is good in the world. Is that not the case?

Thanks.

wolferj-RIP

10-30-2015 04:21 PM

Quote:

Originally Posted by BRADESTAR (Post 376746)

There are a few things that may occur if your car is an AutoMatic and you are doing a manual swap with the motor swap. You will need to address;

Back up switch
Cruise control
Body side ECM

None of these things will stop the car from running, just a few things that will make the swap more complete...

M-technik-3

10-30-2015 07:06 PM

Quote:

Originally Posted by wolferj (Post 371403)

just check the condition of the motor and trans mounts, replace if necessary... It's the perfect opportunity.

I first used UUC trans mounts, but they were a joke. Replaced them with OE e46 trans mounts, and they are perfect.

Too much vibration and noise for your tastes?

Quote:

Originally Posted by Tumiljones (Post 371561)

Also you should probably look at changing to a medium case differential. The small diff that comes in the ti is not meant to handle the power of your m52. Great time for an LSD upgrade too. I did see a 3.23 medium case LSD on here for like $260 shipped which is a steal. I had to fork out over $400 for mine.

Not always needed but in long run it helps. We have a small case behind an S52 and it's been there for 7 lemons races and if that i not abuse I don't know what abuse constitutes.

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