2000 firebird 5.3 swap, lots of pics and info!! - Page 5 - LS1TECH - Camaro and Firebird Forum Discussion



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2000 firebird 5.3 swap, lots of pics and info!!

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Old 02-05-2015, 08:14 PM   #81
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I'm in the process of swapping a 09 5.3 into my 02 camaro and had a few questions about the build. were you able to pass inspection? Why didn't you use your original 4l60E? Did you have to run new fuel lines? would a computer from an older ls1 be best or should I look for a 09 truck computer?
The v6 trans has different input shafts and a few other things, the original ls1 4l60e had to be rebuild because of slipping clutches.

I had to change fuel lines yes, but I simply added a return line using a t block, just copying the v8 style.

I am using an ls1 pcm, it works just fine with my v8 f body harness.
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Old 02-05-2015, 08:15 PM   #82
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TechCam beat me too it, thanks. And yes I passed inspection because they only do a visual. They made me add a cat and change my window tint. But as far as an engine swap texas doesn't check.
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Old 02-06-2015, 06:04 AM   #83
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Thanks! did you get a v8 gauge cluster as well? Would i be better off looking for a 4l80 if I'm going to have to swap the tranny?
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Old 02-06-2015, 06:58 AM   #84
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Thanks! did you get a v8 gauge cluster as well? Would i be better off looking for a 4l80 if I'm going to have to swap the tranny?
As far as I know, you should be able to keep your current gauges. Some people swap them over if they using the drivetrain from a donor car so they can more accurately keep track of the mileage (that's what my cousin did).
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Old 02-06-2015, 07:26 AM   #85
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Thanks! did you get a v8 gauge cluster as well? Would i be better off looking for a 4l80 if I'm going to have to swap the tranny?
I used the stock cluster for a while and it worked just fine. Then I swapped in a v8 CAMARO cluster and had to remove the air bag light to turn it off.

The 4l60e is hit or miss depends on how you drive and what power you make. Many have done just fine with their stock trans. I have gone through two built units and a stock one, so I decided to t56 swap. Unfortunately still having problems with that. It's all about the builder is all I learned.
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Old 02-06-2015, 10:28 PM   #86
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Would it be worth changing the 4l60E I have now in the v6 over to what you were saying over getting a whole new tranny?
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Old 02-06-2015, 11:14 PM   #87
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Would it be worth changing the 4l60E I have now in the v6 over to what you were saying over getting a whole new tranny?
i would get a rebuilt ls1 4l60e
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Old 02-06-2015, 11:15 PM   #88
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Still no 3rd gear in my transmission and I got hit again. I'm seriously hating this car
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Old 02-07-2015, 08:55 AM   #89
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Still no 3rd gear in my transmission and I got hit again. I'm seriously hating this car
If I get it rebuilt couldn't I just keep the funds for putting into the new one and convert the existing? an import shaft can't be too expensive and hard to install.

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Old 02-07-2015, 09:12 AM   #90
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If I get it rebuilt couldn't I just keep the funds for putting into the new one and convert the existing? an import shafts can't be too expensive and hard to install.
If you're just swapping in a mostly stock LS1, get a used auto from a V8 98-02 on here. They are much cheaper than a rebuild and will work fine for stock power.
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Old 02-18-2015, 10:00 AM   #91
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I was sent a new t56 and got it working perfectly. Back on the road just need to tune for the reverse lockout and speedo now.
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Old 05-08-2015, 12:23 AM   #92
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Hey! I have a 98 firebird with a 3.8L and want to swap a 5.3 in it. For now, I'm thinking stock and eventually build it up later on. What all is needed just to get it rolling while stock? Also what's an estimated price range for the parts?
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Old 08-11-2015, 05:33 PM   #93
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Thanks for the heads up on mounting the alternator bracket. Looks like real nice work you did there.
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Old 08-26-2015, 08:11 AM   #94
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Old 08-29-2015, 09:32 PM   #95
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Nice job on the car. It looks nice.
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Old 11-09-2015, 11:12 PM   #96
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I'm doing the exact same build man what did you guys do for the driveshaft or can I use one out of a v8 f body I have the computer for the motor as well how hard was it to get the gauges working?
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Old 11-11-2015, 09:49 PM   #97
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I'm doing the exact same build man what did you guys do for the driveshaft or can I use one out of a v8 f body I have the computer for the motor as well how hard was it to get the gauges working?
Any fbody driveshaft will work. And as long as the years to the harness and car are the same then it's a bolt in swap, except the bank 2 wire mentioned in the thread.
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Old 11-13-2015, 10:20 AM   #98
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Any fbody driveshaft will work.
Unless it's the crappy two-piece they used in early fourth-gen V6 cars.
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Old 04-09-2016, 10:02 PM   #99
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I'm doing the same swap as you have and I have a question about the wiring did you have to run any extra wires on the harness? And what did you do about bypassing the security on the car?
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Old 02-28-2017, 07:57 AM   #100
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I am doing a 5.3 swap out of a 2002 Avalanche (LM7) into a 1994 firebird formula (V8). I already bought a smaller oil pan, going carburator with nitrous, .590 lift cam, and a 2005 4l60e with a TCI torque converter (3000-3500 stall). I know I have to get longer push rods. I have to get a new k member but are $400-$670. I have read that an Ls1 k member would allow the 5.3 to bolt up to it. Is it possible to put a Camaro or firebird Ls1 k member into a 1994 firebird and what header would I need? Thanks
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