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89 Trans Am GTA LS1 t56 swap

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Old 02-12-2014, 07:25 PM
  #81  
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awesome work! I'm in for this build progress as well
Old 07-31-2017, 09:10 AM
  #82  
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Man photobucket can lick my *****. It's a good thing I didn't put more pics in this thread because I just replaced all the links with imgur links.

I drive the GTA a lot as is. I'm working in Afghanistan again, so I bought a bunch of parts to play with while I was home last summer.

I wanted Speed Engineering's headers for my 01 TA, 00 Silverado, and 69 Firebird. They didn't have a 3rd gen set at the time, so I bought a 2nd gen set to see if I could make them fit, and talked them into a discount for all 4 sets.

Attachment 719321

I managed to make the 2nd gen set fit. I had to modify the passenger collector and frame rail

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But before I built a y pipe they came out with their 3rd gen set. They tuck up higher so that's nice.

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Put them in last week

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Old 07-31-2017, 09:11 AM
  #83  
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So I was just home and wanted to put these headers in and build a y pipe. I need a good pipe expander so I bought Lisle's kit. Ordered a couple 3" bends and some pipe.

Expanding one of the bends to fit over the header collector

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It's a little slow going on stainless but it worked well. A hose clamp works good for marking a cut line on a bend

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I need to get a real bandsaw but my portable one clamped in a vise works ok

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My tig welding skills suck. I used too thick of a filler on the header I modified and it looks like dog doo. I figured out I needed a smaller filler and these welds came out much better

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Trying to figure out how to route it

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I tied 3" pipes into a 4" and stepped it down at the rear to connect to the rest of the cat back

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Done and installed

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Ground clearance is good

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Old 07-31-2017, 09:12 AM
  #84  
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89 Trans Am GTA LS1 t56 swap-e3e8ta0.jpg

I also put a Momo wheel and a Hinson shifter in it. This wheel is too small, I didn't realize what diameter it was when I ordered it. I like the look though.

The shifter is nice, but the handle is too short so I'll lengthen it. I honestly like my MGW better and it's cheaper

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I decided to pick up an IROC. Looked for a couple months and finally had a buddy go get this one in MT.

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Old 07-31-2017, 09:49 AM
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Having done it both ways, I prefer to pull the engine out through the top. If I had a lift, I might feel differently about it.
Old 07-31-2017, 09:09 PM
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Is there any reason that you didn't put the 4th gen seats in the 3rd gen as they looked to be in great shape? Cool car, I still dig the 3rd gen GTA's.
Old 08-01-2017, 02:15 AM
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Originally Posted by JosephIV
Is there any reason that you didn't put the 4th gen seats in the 3rd gen as they looked to be in great shape? Cool car, I still dig the 3rd gen GTA's.
I put the driver's seat in my 01 TA because the one in there was ripped. I'll have to fix that driver's seat when I put them in my 69, but I did it all that way rather than put them in the GTA. I like the GTA seats, so I'll just recover them.
Old 08-01-2017, 07:27 AM
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Originally Posted by t_raven
I put the driver's seat in my 01 TA because the one in there was ripped. I'll have to fix that driver's seat when I put them in my 69, but I did it all that way rather than put them in the GTA. I like the GTA seats, so I'll just recover them.
The only difference between the GTA seats and the fouth generation Trans Am seats are the "ET" style head rests. That said, I do like the GTA version just as well if not better. I'd have done the same thing.



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