LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

Another LT1 swap question

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Old 03-24-2014, 10:45 AM
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Car: 1985 Z28 & 1997 Z28 SS SLP
Engine: Sbc 305 TPI & LT1
Transmission: 700r4 and A4
Axle/Gears: 9 bolt Posi 323 & Posi 323
Another LT1 swap question

I'm giving serious thought to doing the LT1 swap as I already have the donor car, 96 Z28. I'm trying to downsize my life & use my 84Z28 as a daily driver. I prefer the power of my 96Z28, but just like the looks, ease to work on, etc of my 3rd gen. I know some will call me crazy to use a completely good car, but just don't need 2 cars as we also have another back up car in household.
I think I'll tackle this swap this June when I have a little extra $ & have extensively read the boards as well as printed out a lot of info. I will also swap out dash, guages & wiring, which should make swap way easier, I'm stuck figuring out the easiest way to deal w/Transmission, keep the 700r4 or swap the 4L60???? Which is easier/ I want plug & play as much as possible & figure swapping the entire drive train would make the most sense. Having said that, am I missing something, based on all I have read it would appear to just swap LT1 & trans from 96 & be happy, any thoughts & thanks in advance for allowing me to bring up this oft mentioned subject....
Old 03-24-2014, 02:58 PM
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Car: 82 Berlinetta/57 Bel Air
Engine: LS1/LQ4
Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
No brainer. Use the 4L60E from the LT1 car.
Old 03-24-2014, 03:00 PM
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Car: 1985 Z28 & 1997 Z28 SS SLP
Engine: Sbc 305 TPI & LT1
Transmission: 700r4 and A4
Axle/Gears: 9 bolt Posi 323 & Posi 323
Re: Another LT1 swap question

thanks!!!
Old 03-24-2014, 03:06 PM
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Car: 82 Berlinetta/57 Bel Air
Engine: LS1/LQ4
Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
'96 is OBD II - not a biggie, but something to be aware of.

Do you have emissions inspection or testing?
Old 03-24-2014, 03:12 PM
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Join Date: Jan 2013
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Car: 1985 Z28 & 1997 Z28 SS SLP
Engine: Sbc 305 TPI & LT1
Transmission: 700r4 and A4
Axle/Gears: 9 bolt Posi 323 & Posi 323
Re: Another LT1 swap question

yes, we have DEQ, but I have special interest plates on my car as it is 25 years or older, no registration, no DEQ, so I'm hoping w/swap & my hooker shorties already on the 84, I will have a faster 3rd gen for daily driver....
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