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LTX and LSX Putting LT1's, LS1's, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects, including repairs, swap info, and performance upgrades.

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Old 03-14-2009, 09:45 PM   #1
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Car: '89 Trans Am GTA
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Milestone


BIG thanks to five7kid for coming over & helping me find that last 1/2" - which FINALLY allowed me to get the 2nd motor mount bolt through & fastened.
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1989 Trans Am GTA
Currently swapping in an L92 (VVT-equipped all-aluminum 6.2L) & T56 combo...

Shown on p. 51 of August 2009 "Popular Hot Rodding" magazine.
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Old 03-15-2009, 12:41 AM   #2
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Location: Ontario, Canada
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Car: 1991 Trans Am GTA
Engine: LSX (swapping)
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Axle/Gears: 2.73 Posi 10 Bolt

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Re: Milestone

What motor mounts are you using? Looks great so far
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Old 03-15-2009, 12:52 AM   #3
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Join Date: Feb 2006
Location: 39.84N 105.11W
Posts: 1,534
Car: '89 Trans Am GTA
Engine: WAS 350 - now L92 (alum. 378/6.2L)
Transmission: WAS 700R4, now a built T56
Axle/Gears: 3.27 9-bolt

Classifieds Rating: (2)
Re: Milestone

Quote:
Originally Posted by Shift06
What motor mounts are you using? Looks great so far
Thanks. I'm using the Trans-Dapt adapter plates (that I bought from a certain moderator-type individual) w/ the stock motor mounts.

EDIT: Now comes the "INTERESTING" part of the swap - bolting on the front accessories while retaining the engine's variable-valve-timing functionality. I've always heard (over & over) that to do so, I'd need to retain the truck's serpentine accessory drive setup. Well, five7 & I brainstormed a little bit today, & we just MAY have figured out how to make it all "play nicely" together...

Last edited by V8Rumble; 03-15-2009 at 12:58 AM. Reason: Add'l info
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Old 03-15-2009, 02:16 AM   #4
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Re: Milestone

great progress lokks great xcitedto see vvt swap in thirdgen badss
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Old 03-15-2009, 05:39 PM   #5
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Re: Milestone

You wouldnt happen to have a closer picture of those adapter plates would you V8Rumble? I am using similar units made by Sheldon, but I dont have "instructions" so I am not sure which way they are supposed to bolt up.
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Old 03-15-2009, 05:55 PM   #6
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Car: '84 Trans Am WS6
Engine: LQ9 w/ Wegner LS6 heads
Transmission: 4L60E, seeking good used NV3550HD
Axle/Gears: 7.5" 3.23:1, posi, swapping to 8.5"

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Re: Milestone

I sure hope you succeed. I'm a big fan of the VVT now that COMP CAMS has embraced it and offers us some cams for the LSes that use it.
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Old 03-15-2009, 09:28 PM   #7
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Engine: LS2/LS1
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Re: Milestone

looking good!!

mitch, my best shot at some instructions is the longest side of the brackets goes up.

Would look like this |_/ best diagram
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Old 03-16-2009, 12:00 AM   #8
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Car: camaro sportcoupe
Engine: 370ci lsX
Transmission: CER th400 w/ TSI 9" converter
Axle/Gears: Moser 9" 4.30:1

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Re: Milestone

:drool: l92 :drool:
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370ci LSx, "Close Enough Racing" th400, Transmission Specialties XHD9" 4500 stall converter, Moser 9" 4.30's, Mickey Thompson 28x10.5S's rollin' on BS Street Lites. Pump gas and street driven...doin' it all motor!
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Old 03-16-2009, 02:25 AM   #9
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Join Date: Feb 2006
Location: 39.84N 105.11W
Posts: 1,534
Car: '89 Trans Am GTA
Engine: WAS 350 - now L92 (alum. 378/6.2L)
Transmission: WAS 700R4, now a built T56
Axle/Gears: 3.27 9-bolt

Classifieds Rating: (2)
Re: Milestone

Quote:
Originally Posted by Shift06
You wouldnt happen to have a closer picture of those adapter plates would you V8Rumble? I am using similar units made by Sheldon, but I dont have "instructions" so I am not sure which way they are supposed to bolt up.
Well, I went out there & took a few pics in an attempt to show how they're mounted, but the clamshells do a terrific job of hiding the plates, so that didn't work so well.

The best way that I can think to describe it is that the longest side is at the top (as Sheldon said), & the side that's cut diagonally goes to the front of the car. I hope that's enough to be helpful...

Quote:
Originally Posted by mw66nova
:drool: l92 :drool:
Man, I honestly really needed that tonight, thanks. BTW, I finally got to watch your startup vid tonight - that's a really nice looking car you've got there!
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Old 03-16-2009, 09:10 AM   #10
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Engine: 370ci lsX
Transmission: CER th400 w/ TSI 9" converter
Axle/Gears: Moser 9" 4.30:1

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Re: Milestone

that's what i'm here for! lol...thanks for the compliments on the car...the vid hides alot, lol....it needs a bath BADLY, but i'm afraid to get into that while i'm still working out bugs...
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370ci LSx, "Close Enough Racing" th400, Transmission Specialties XHD9" 4500 stall converter, Moser 9" 4.30's, Mickey Thompson 28x10.5S's rollin' on BS Street Lites. Pump gas and street driven...doin' it all motor!
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Old 03-16-2009, 11:06 AM   #11
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Location: Ontario, Canada
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Car: 1991 Trans Am GTA
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Re: Milestone

Quote:
Originally Posted by V8Rumble View Post
Well, I went out there & took a few pics in an attempt to show how they're mounted, but the clamshells do a terrific job of hiding the plates, so that didn't work so well.

The best way that I can think to describe it is that the longest side is at the top (as Sheldon said), & the side that's cut diagonally goes to the front of the car. I hope that's enough to be helpful...


Man, I honestly really needed that tonight, thanks. BTW, I finally got to watch your startup vid tonight - that's a really nice looking car you've got there!
No that should be fine, I am pretty sure I know what you guys mean.
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Old 03-18-2009, 07:44 PM   #12
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Car: 1987 Iroc + 1989 R7U 1LE Players
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Transmission: T56 and WC T5

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Re: Milestone

Clean! *drools*
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Old 03-18-2009, 07:44 PM
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