LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Transplating a 94 formula lt1 to a 95 Camaro...doable AND problem free?

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Old Nov 11, 2006 | 06:23 PM
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Question Transplating a 94 formula lt1 to a 95 Camaro...doable AND problem free?

Well, I know it's "doable" but I'm wondering what problems I'm going to run into that may need addressing. I am wondering if it's at all possible to transfer the motor WITHOUT the wiring harness and just have the 95 pcm work with the 94 formula motor.

Does anyone see any problems they could point out to me? I'm putting it on here because I wouldn't know all the little things in terms of connections to certain things and stuff like that. I'm wondering if maybe someone has a bit of experiance on here and can help me out tellin me the little problems I might encounter.

Thanks for any help...

Jamon
Old Nov 11, 2006 | 06:42 PM
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Jamon,

Hey it white95LT1 from SFFBA. Im sure youve heard of T.A. Creations down south of us www.tacreationsusa.com. Those guys have dealt with alot of the stuff your talking about. Basically what they are going to tell you is that all the years have small differances in the wiring harnesses. I spoke with them a while ago and he told me they have a guy that does the harness convertions, ie 94 harness in a 95 car. But anywho, are you putting the motor/tranny out of the TA into your old camaro? If you are pretty much the only thing youll have to worry about is the wiring end which shouldnt be too hard. The K-member, tranny crossmember, radiators etc etc should all bolt right it.

Good luck and let me know if you need any help wrenching!
Old Nov 11, 2006 | 06:52 PM
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Ya, I was talking to Peter: (BadblackZ) and he was telling me to be thinking about the connectors for the distributror and things like that...to see if they'd match up. Plugs like that that may have slight differences.

I'll call up TA creations and ask them what would be any problems I might run into because of the swap. I'll most likely just be swapping the lt1 and tranny from the 94 formula into into the 95 camaro. I dunno where to start looking at which things might be different.

And thanks for the offer lol. I might just take you up on it
Old Nov 11, 2006 | 07:20 PM
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The harness and PCM are not difficult to swap out. Move your harness out of your car and swap it into the new car.

The pass thru connections into the interior of the car are few and should not have changed from 94/95.

There are differences in the 94-95 transmissions that you may have issues with I believe if you stick with your PCM. I believe it has to do with the TCC stuff.

I did get your last PM on sffba, just haven't had a chance to respond. I'll try to give you are ply tomorrow.
Old Nov 11, 2006 | 07:45 PM
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Well...I take it back. I will only be switching the motor. I don't know why I said motor and Tranny. There are slight differences though between the connectors on the 94 formula and 95 camaro. One example is the connector for the gauge cluster I believe is slightly different I found out today

I'd like to keep the stock pcm in there because the slight differences that would need to be adapted for between the formula and the camaro may be more then I expect, and that would drive me nuts. I'm trying to figure out if all the sensors on the motor would accept the pcm connectors from the 95 computer.

If I can't, that'll be a huge dissapointment, but much less then putting it in there and then finding out once it's almost all bolted up that it doesn't work right.

And Jav...I figured you were a bit busy, so I didn't press you too much on it. I was just looking to be pointed in the right direction in those respects. I'll be waitin for it, but by no means is there any real rush.
Old Nov 12, 2006 | 08:48 AM
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Use the motor with the sensors off the other motor if any are different. The OPTI would be the only item I know that is different since it is vented in 95. Do a search for OPTI connector on the board there is a someone that makes this wire harness for $35, GM wants 70-90 depending on where you get it from.
Injectors, EGR, TB, WP, knock sensor should be the same, you will have a sensor (possibly) on the bottom of the timing cover that 95+ use, just leave it empty it s a crank position sensor.
The transmission harness can also be seperated if you ever needed to change the transmission to a different year or 6 speed.

Last edited by gixxer92; Nov 12, 2006 at 08:51 AM.
Old Nov 13, 2006 | 07:06 AM
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Not sure if this was mentioned yet but the ALDL ports are different in the interior. Also it would be a good idea to swap the BCM. It might be different.
Old Nov 13, 2006 | 07:13 AM
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Originally Posted by Mikes 1994 z28
Not sure if this was mentioned yet but the ALDL ports are different in the interior. Also it would be a good idea to swap the BCM. It might be different.
94 or 95 does not have a BCM.
Old Nov 13, 2006 | 07:18 AM
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The only think I can think of that would be different is the opti harness, being as you will be reverting to a non-vented one. 94s and 95s use the exact same PCM. I don't see that you would have to swap any other harnesses at all. There are some differences in the 94 and 95 harnesses, but if you only swapping the engine, there should be nothing you need to change.
Old Nov 13, 2006 | 07:42 AM
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Originally Posted by shoebox
The only think I can think of that would be different is the opti harness, being as you will be reverting to a non-vented one. 94s and 95s use the exact same PCM. I don't see that you would have to swap any other harnesses at all. There are some differences in the 94 and 95 harnesses, but if you only swapping the engine, there should be nothing you need to change.

Agreed.
Old Nov 13, 2006 | 05:56 PM
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Well shoebox, I have a cap and rotor kit from MSD that was a vented opti I believe. It had a hose that attached to the elbow to "vent" it, unless i'm mistaken...would that work?

If not, what would I need to do to MAKE the opti work fine.

And thanks for the help. I feel a LOT better now
Old Nov 13, 2006 | 06:54 PM
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Originally Posted by Jamon
Well shoebox, I have a cap and rotor kit from MSD that was a vented opti I believe. It had a hose that attached to the elbow to "vent" it, unless i'm mistaken...would that work?

If not, what would I need to do to MAKE the opti work fine.

And thanks for the help. I feel a LOT better now
Changing the cap and rotor does not change the electrical harness connection, so you still need the 94 (unvented) opti harness. The vent system with the MSD cap is a bonus, though. By virtue of the cap only, their system vents even the normally unvented optis.
Old Nov 13, 2006 | 07:25 PM
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How would I go about making the opti work for the 95 camaro pcm?
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