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1999 firebird, 5.3 lm7 engine swap question

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Old Mar 27, 2010 | 03:53 PM
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Default 1999 firebird, 5.3 lm7 engine swap question
im swapping out the 3.8 for a 5.3 from a 2000 surburban and i was wondering if anyone knows if the truck intake will work with the swap cause of the clearence issues with the cowl/firewall since the intake is taller
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Old Mar 27, 2010 | 08:43 PM
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no the truck intake will not work. also im not sure but i dont think the truck acces will work either.
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Old Mar 28, 2010 | 05:27 AM
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You will need F-body LS1 Accessories & Oil Pan, K-member & Mounts, Steering Rack & Linkage, LS1 PCM & Wiring, and a Car Intake.
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Old Mar 28, 2010 | 02:03 PM
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ok, what about the v6 tranny can the bell housing be swapped out for one that fits
iim trying to keep the cost as low as possibe but at the same time di it right without rigging things
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Old Mar 28, 2010 | 03:48 PM
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Auto or Standard?

Bellhousing on a V6 Auto doesn't come off..and you will want a T56 if you are a manual.
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Old Mar 28, 2010 | 04:01 PM
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its the auto 4l60e there are bolts that look like the bell housing is removable
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Old Mar 29, 2010 | 09:32 AM
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Post a pic up..
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Old Mar 29, 2010 | 03:18 PM
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im doing a simiar swap except into my 94 trans am but since its an lt into an ls i need pretty much all the same things can u make this a build thread to help me out a little.
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Old Mar 29, 2010 | 03:21 PM
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Originally Posted by 383lt1guy
im doing a simiar swap except into my 94 trans am but since its an lt into an ls i need pretty much all the same things can u make this a build thread to help me out a little.
Here is a plethera of info for ya bud..

https://ls1tech.com/forums/conversio...to-95-z28.html
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Old Mar 29, 2010 | 06:03 PM
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at the moment i dont have a camera but ill try to get some pics up. what is the reason i cant use the truck intake, im pretty new to gm's
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Old Mar 30, 2010 | 12:28 AM
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The Truck Intake is really tall..I don't think it would fit under the stock Hood of a car.
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Old Mar 30, 2010 | 02:25 AM
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Truck intake is tall. gonna say it will not fit under a stock hood. Also get the LS1 accessories. Having the alternator up top looks terrible in a car especially with a car intake
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