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~Truck Manifold GT45 5.3 TransAm

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Old 08-05-2009, 07:47 PM
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Waiting on some exhaust elbows for the downpipe. I screwed the inlet piping up...lol, totally forgot that the alternator went there. Oh well....easy to fix. ...cut....re-weld, maybe get a 45 degree rubber elbow for the throttle body.
Anyways I figure I do need an alternator so heres my alternator relocation bracket.







FAIL!
Old 08-05-2009, 07:55 PM
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I figured it was probably out of necessity and actually I like it up high better too.

Where did you get that bracket from?
Old 08-05-2009, 07:58 PM
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Originally Posted by Dr. Jeckel
I figured it was probably out of necessity and actually I like it up high better too.

Where did you get that bracket from?
Pretty sure he made the bracket
Old 08-05-2009, 09:00 PM
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yea thats a home made jobber out of various pieces of steel i could find in my garage.
Old 08-05-2009, 09:23 PM
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Looks very good.....if you have extra laying around I'll take one
Old 08-11-2009, 08:54 PM
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Exhaust elbows came in, 3.5" downpipe done. Wastegate tomorrow.


Old 08-11-2009, 09:35 PM
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Good looking progress so far. Keep it rolling bro.
Old 08-12-2009, 03:36 PM
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Alt bracket looks great! Finish that thing so i can get some motivation to finish mine.
Old 08-12-2009, 07:19 PM
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looking great! Cant wait till things quit coming up so i can afford to do mine!
Old 08-12-2009, 11:19 PM
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DP has a bracket on the bottom holding it to the pipe coming off the manifold. Then the flat plates are just temporary in there to hold it all as is so I can fab up the wastegate piping out of the car instead of laying under it. The stainless won the battle over the holesaw today so I didnt get the wastegate finished. grrrr.

Old 08-13-2009, 09:26 AM
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Awesome fab work! Man I need a TIG welder...
Old 08-13-2009, 11:42 PM
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hot side complete, just need to wrap it and put it on.


Old 08-14-2009, 08:58 AM
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Cant wait to see dyno numbers out of this set up!
Old 08-14-2009, 09:16 AM
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Originally Posted by camaropilot
Cant wait to see dyno numbers out of this set up!
It will never see a dyno. The whole combo exactly as is was in my Nova for 3 years (re-doing the turbo piping as the chassis are different). Race weight of 3660 (w/ me in it) and running 10.30's @ 131 equates out to roughly 640whp. Heres a video of the Nova, it has 3.50 gears and 29.5" tall tires. The transam has 28" tall tires and 3.89 gears.... The Nova lacked the low end and didnt hit full boost till after the 60ft. TA should be a little quicker.

It also has a 50 shot of spray, the last couple vids w/ the shiny wheels were on no spray, runs around 10.50s.
http://videos.streetfire.net/video/7...-at_187976.htm

Last edited by pwrtrip75; 08-14-2009 at 09:24 AM.
Old 08-15-2009, 10:45 AM
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This is friggen awesome. Ive been tempted to put a 5.3L/Turbo into my transam while i build up a Forged 347 for it
Old 08-15-2009, 02:43 PM
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One of the nicest truck manifold builds i've seen in a long time.
J
Old 08-15-2009, 07:25 PM
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^Thanks,
Wrapped the hot side and im starting to put it together for good. Im going to wrap the lower part of the intake pipe as well because it comes in front of the radiator. Also decided to paint the compressor housing black. Its slowly taking shape.







Old 08-15-2009, 07:36 PM
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Perhaps you already thought about this, but how do you plan to run the upper radiator hose?

Also, what converter and transmission setup are you running and what fuel pump/injectors?
Old 08-15-2009, 07:47 PM
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Originally Posted by Dr. Jeckel
Perhaps you already thought about this, but how do you plan to run the upper radiator hose?

Also, what converter and transmission setup are you running and what fuel pump/injectors?
I knew the upper radiator hose was going to be tricky, i'll just route it down and around.
Tranny is a TH350, manual valve body, TCI streetfighter converter rebuilt by Coan 4000 stall. They advised me to not use it in this setup but its all i had at the time and Hughes didnt know how to build me one. It blows through a little.
Injectors are mototrons 60#. Fuel pump setup....I still have to do this yet but going to run dual walbros in the tank.
Old 08-15-2009, 08:02 PM
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Looking good man.


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