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79 Trans am LS swap

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Old 02-12-2012, 03:03 PM
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Default 79 Trans am LS swap

Just bought a 79 Trans am, and I'm trying to plan what all im goin to do. It came with 403 olds motor but I definitely want to go with efi on this project. I need to no what all I need to do as I change everything to accommodate new Ls engine. I'm shootn for the 7-800 hp range, so which of the Ls's is cheapest nd easiest to achieve(Ls 1,3,6?). I can't decide on twin turbos or supercharger, and I've been looking at vvt. Anybody have any good luck installing vvt on one of these engines.?
Old 02-15-2012, 09:37 PM
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Mast has had some luck with the VVT
Old 02-15-2012, 09:47 PM
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I've got a pretty similar swap to yours. were doing an LS2 auto swap/resto on a 79 Z28 camaro. in the early stages as we have the pullout and just started ordering parts.

I've got no experience with the LS3, LS7 but if it were me and your wanting to do some sort of FI on your build, I would recommend doing something along the lines of a nice 6.0L build since they are a fairly cheap and stout platform to start with
Old 02-15-2012, 09:52 PM
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Did mine and love it..... just recently finished a 4l60/t56 swap.... also new cam, heads, intake.... just needs a tune again.....


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Old 02-15-2012, 11:01 PM
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heres a L76 6.0l with a cam and tko600 5 speed in a 77 formula i finished a little while back. Heres it on the dyno http://www.youtube.com/watch?v=_wI8PNg0l9s.
Attached Thumbnails 79 Trans am LS swap-dsc07808.jpg   79 Trans am LS swap-picture029.jpg  
Old 02-16-2012, 05:00 PM
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I'm in the middle of mine and I can't wait to drive it. I'm doing a Turbo set up.

Last edited by Rick Speed; 02-16-2012 at 07:48 PM.
Old 02-16-2012, 05:24 PM
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What headers do you guys have on the 2nd gens?
Old 02-16-2012, 06:19 PM
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Edelbrock stainless ceramic coated long tube headers
Old 02-16-2012, 06:56 PM
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prodigy86

What radiator and hoses did you use? Inlet/outlet diameters? Anymore pics of the 77? Looks killer.
Thaks,
Jim
Old 02-16-2012, 09:01 PM
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Its a prodigy cool pack, there is a ton more pic on its build thread
http://www.pro-touring.com/showthrea...8-formie/page7

Last edited by prodigy86; 02-16-2012 at 09:10 PM.
Old 09-22-2016, 08:10 PM
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Default Ls Swap into Trans Am

I just posted my video series on this swap on a low low budget.

I used summit 'Swap in a box' and so far so good.

not too complicated 7/10 for difficulty

hope it helps clear up or enlighten some question regarding the proccess


Stay Tuned as I upload more videos in the series
Old 09-23-2016, 12:09 AM
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