Conversions & Swaps LSX Engines in Non-LSX Vehicles
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BUILT LSX Stroker into a 95 Z28

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Old 06-30-2007, 05:56 PM
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What K-member did you use, and what Tranny?
I measured mine, that is why I had to do what I had to do.

Last edited by the_merv; 01-13-2008 at 10:54 AM.
Old 06-30-2007, 08:26 PM
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Originally Posted by TheBiz
On a side note, I got my LT1 crossmember bolted up today with NO MODIFICATION! The crossmember bolted to the tranny and then to the under body without elongating any holes, or welding on any tabs. Suprised the HELL out of me.
Ya, that's why I asked earlier in this thread, because I had heard from other guys that you can re-use the original T56 crossmember from the LT1 car.

The Merv- Yours could have been off from constructing your own engine mounts?

Luckily I'm using a BMR unit for an LS1, so hopefully I won't run into that issue.

Mike
Old 07-01-2007, 12:16 AM
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You have a M6, those stay in the same location. The A4 moves the Mount.
Old 07-01-2007, 09:34 AM
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Originally Posted by the_merv
You have a M6, those stay in the same location. The A4 moves the Mount.
What he said.

I am planning on firing the old girl up next week sometime. Keep your fingers crossed.
Old 07-01-2007, 02:24 PM
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Originally Posted by the_merv
You have a M6, those stay in the same location. The A4 moves the Mount.
Aaah,,, gotchya.
Old 07-01-2007, 03:10 PM
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Originally Posted by TheBiz
What he said.

I am planning on firing the old girl up next week sometime. Keep your fingers crossed.
I'm right there with ya..I'm shootin for the 19th or 20th..somewhere in there. I made the Y-pipe yesterday for my 4" Exhaust..
Old 07-02-2007, 10:49 AM
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Rods came in today..
That's it, off to the Machine Shop to get balanced and to order the Bearings, and then it goes together.

Last edited by the_merv; 12-17-2008 at 07:17 AM.
Old 07-02-2007, 09:08 PM
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Good information in this post,

Nice to see your swap is coming together,


Gotta question on the M6 swap cars..

What is the consensus on what has to be changed over to LS1 style,


as far as staying with the stock pedals, changing hydraulics, slave cylinder etc.
Old 07-02-2007, 09:35 PM
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I would say that the Petals stay, but the Hydraulics is different to my knowledge..
Old 07-02-2007, 10:19 PM
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That is correct. Pedals are fine, just change over to an LS1 style slave and master. Make sure you have an LS1 style clutch as well. I think there are some differences. I know the slave works in totally different ways, and the LS1 tranny doesn't have a clutch fork.
Old 07-04-2007, 04:44 PM
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Do you have a list of what you did to mate the LT1 harness to the LS1 harness? What wires you ran to what plug etc.

Re'
Old 07-04-2007, 04:47 PM
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Yes I do..
I kept track of all that, it's not that hard to do. Some Wires have to be moved, some spliced into.
Old 07-05-2007, 12:39 PM
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Originally Posted by the_merv
I would say that the Petals stay, but the Hydraulics is different to my knowledge..
I read someplace a long time ago that the pedals are different because of the different clutch setup. Anyone know about this?

And let me get this straight, as long as I am using a t56, I can use the stock LS1 engine k member and the stock LT1 t56 crossmember and they will bolt directly up to my LT1 car?

Also Merv, how much would you charge to redo an LT1 harness for me to put an LS1 in? Its something that would make the swap that much easier!
Old 07-05-2007, 01:25 PM
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Originally Posted by 1bdbrd
I read someplace a long time ago that the pedals are different because of the different clutch setup. Anyone know about this?

And let me get this straight, as long as I am using a t56, I can use the stock LS1 engine k member and the stock LT1 t56 crossmember and they will bolt directly up to my LT1 car?

Also Merv, how much would you charge to redo an LT1 harness for me to put an LS1 in? Its something that would make the swap that much easier!
Petals are easy to change out.

The T-56 stays in the same location, so that is easy to work with.

As far as the Harness goes..I have been asked by a few people. Let me finish mine up, get everything worked out, so that way I have a set Blue Print for them, and then I'll see what I can do.
Old 07-05-2007, 03:14 PM
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Originally Posted by the_merv
Petals are easy to change out.

The T-56 stays in the same location, so that is easy to work with.

As far as the Harness goes..I have been asked by a few people. Let me finish mine up, get everything worked out, so that way I have a set Blue Print for them, and then I'll see what I can do.
I'm wondering if the pedals are different at all. It would save a little bit of time in the long run if they are the same.

How hard was it to find the steering rack from an ls1 car?

And help with the harness would be badass! I live in Missouri and could maybe meet you someplace south of here to save time on shipping and to meet a fellow member.
Old 07-05-2007, 03:46 PM
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Pedals are the same. The hydrolics are different.

Yes, you can use an LS1 K-member (or the adapted LT1 K-member for that matter) and the stock LT1 tranny crossmember, and things will line up perfectly.

An LS1 rack is easy to find. Just PM everyone who has a "parting out" thread. Make sure you get the LS1 steering knuckle too.
Old 07-05-2007, 03:47 PM
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See what happens, I have no problem with it. It's not that hard to do.
Old 07-05-2007, 07:23 PM
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Originally Posted by the_merv
Yes I do..
I kept track of all that, it's not that hard to do. Some Wires have to be moved, some spliced into.
Any chance you could Email it to me, post a link (if it's on line) or throw it in the thread?

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Old 07-05-2007, 09:22 PM
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I'll get it up in a thread..it was in a while back, tried to make it a sticky but it never stuck. Looks like it's more popular this time.

All it consists of is matching Wires, moving some, and splicing into some to get what you need. The difference between the LT1 and LS1 is 2 more Wires that need power to them, it's not that hard to do once you get in there. I have no AC and a Manual Fan setup..I have a few more Wires to play with though..
Old 07-06-2007, 02:28 PM
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Today I did some work on clearancing the Oil Pan. I'm not going to run a Windage Tray because of how much clearancing would have to be done with that.

Last edited by the_merv; 12-17-2008 at 07:20 AM.


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