Conversions & Swaps LSX Engines in Non-LSX Vehicles
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89 Trans Am GTA LS1 t56 swap

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Old 03-01-2011, 12:39 PM
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Count up how many terminals you're using on the PCM and add 20. Thats how many slots you'll need. ALOT

Largest Ive seen had 37 slots and was the size of your hand. Those are common in FWD vans
Old 03-01-2011, 01:39 PM
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on my school buses, they use bulkhead duestche (sp) connectors. some of them have up to 40 wires in them, so you could use one for each connector on the pcm.
Old 03-01-2011, 01:58 PM
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There you go. 3-4 will do you
Old 03-01-2011, 02:15 PM
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for my total amount of wires needed for the pcm, i couldve used one of them on my project.
Old 03-01-2011, 09:09 PM
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There are round MIL-SPEC connectors with 100 terminals, I've never used one that big but I've used some with close to that many and they weren't too big. It would cost a couple hundred bucks to get both connectors so I probably won't do it but it would be sweet to just twist off one connector, pull some bolts and hoses and yank it all out.
Old 03-02-2011, 11:03 AM
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I'm in the process of moving all my stuff to another town. Time to get out of Grangeville for good, I hate that town lol. So yesterday I needed the GTA out of the way so I could load up my 67. Since I had to get it out anyway I decided to take it over to where my dad works and pressure wash the engine bay. Sprayed it with some degreaser

89 Trans Am GTA LS1 t56 swap-royxtqh.jpg

All clean

89 Trans Am GTA LS1 t56 swap-ckdpn7h.jpg
89 Trans Am GTA LS1 t56 swap-dzvrdlw.jpg

The battery tray is a little rusty

89 Trans Am GTA LS1 t56 swap-wbgvl4a.jpg

I guess I'll spray paint a few areas while it's apart. The area below the windshield doesn't look so good

89 Trans Am GTA LS1 t56 swap-nlvfxhn.jpg

This is one of the better pressure washer set ups I've used. They use to have a gas powered one but when it broke down my dad just ordered an electric motor and ran the water through an on demand water heater. It's quiter than the gas one, has more pressure, and you don't have to deal with a burner. I love these Rinnai water heaters. We've installed a lot of them. The water is hot right away and you never run out of hot water. They are compact and more efficient than one with a tank. When I get a house I'm putting one in for each bathroom.

89 Trans Am GTA LS1 t56 swap-mt5l9ai.jpg

Last edited by t_raven; 07-31-2017 at 08:56 AM.
Old 03-02-2011, 01:57 PM
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are you a member on thirdgen.org? if not you should deff look into it lot of good people over there and lots of good builds going on
Old 03-02-2011, 08:46 PM
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Originally Posted by stoning_volcom
are you a member on thirdgen.org? if not you should deff look into it lot of good people over there and lots of good builds going on
Yeah I'm on there too, I just don't post there much. I'm on too many freakin forums lol
Old 03-03-2011, 12:07 AM
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ah ok, just wondering.

Originally Posted by t_raven
Yeah I'm on there too, I just don't post there much. I'm on too many freakin forums lol
Old 03-03-2011, 01:06 AM
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awesome link on that wire loom, definitely using that.

how bout a couple of these for the bay? 50 per?
http://www.lane-pilot.com/servlet/Detail?no=56
Old 03-03-2011, 08:42 AM
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Originally Posted by t_raven
Yeah I'm on there too, I just don't post there much. I'm on too many freakin forums lol
Nerd..get off the Computer and finish that car.
Old 03-04-2011, 06:55 PM
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LOOKS GREAT I have a hardtop i want to do the same thing to.
Old 03-04-2011, 07:01 PM
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I always liked this body style for the 82+ years. Always wanted a TA, but so far they've all avoided me. I've owned 4 Formulas, but never a TA!
Old 03-04-2011, 07:18 PM
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the GTA was my 1st sports car, love the conversion
Old 03-04-2011, 07:28 PM
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Yeah, the problem with them was they were always such turds... Not with the LS engine!
Old 03-04-2011, 08:52 PM
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Disposable cheap, fun little cars. Thats about the only saving grace of a 3rd gen
Old 03-04-2011, 09:00 PM
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Originally Posted by Pocket
Disposable cheap, fun little cars. Thats about the only saving grace of a 3rd gen
And you forgot creaky.
Old 03-04-2011, 09:17 PM
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Originally Posted by datenbrick
And you forgot creaky.
Old 03-05-2011, 07:08 AM
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They're such a wet noodle, you just about HAVE to install SFCs just to drive them

Takes out the creaky part
Old 03-28-2011, 03:55 PM
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Small update. I moved over the last few weeks but I'm about settled in and ready to get back on this.

My clutch and master cylinder showed up.

89 Trans Am GTA LS1 t56 swap-sqxviyi.jpg

Freakin FedEx claims they delivered my swap mounts on the same day they delivered the MC but the box is no where to be found. Guess I'm out $90 but if they were going to lose something better those than the MC or clutch. I ordered a new set so maybe by the time they get here I can have the kmember notched and the harness laid out.

Last edited by t_raven; 07-31-2017 at 08:56 AM.


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