4th gen rear swap question
#1
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Car: 1995 Formula
Engine: LT1 350
Transmission: Built 4L60e
Axle/Gears: 10 bolt, Eaton posi, 3.73's
4th gen rear swap question
What is that plug on the 4th gen rear that has a tiny magnet inside and plugs into the car via a blue plug? The magnet/sensor side goes into a 1" approx. diameter hole in the top of the gear housing.
I wonder if that plugs into my third gen or if it was some new feature on the 4th gens. I haven't pulled the rear out of my 86 yet, so I don't know if it has that on it or not.
Thanks guys.
I wonder if that plugs into my third gen or if it was some new feature on the 4th gens. I haven't pulled the rear out of my 86 yet, so I don't know if it has that on it or not.
Thanks guys.
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Car: 1995 Formula
Engine: LT1 350
Transmission: Built 4L60e
Axle/Gears: 10 bolt, Eaton posi, 3.73's
Re: 4th gen rear swap question
Also 28 spline axles, which some third gens don't have. It's a bit stronger.
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Car: 00 SSEi / 94 C4
Engine: 231 / 383
Transmission: 4T65E / ZF 6sp
Axle/Gears: 2.93 / Dana 44 3:45
Re: 4th gen rear swap question
but the same weak point C clips
I had to machine my 4th Gen axles.. to 3rd Gen width. after I installed my Moser C clip eliminator.. to retain my 1LE brakes
I had to machine my 4th Gen axles.. to 3rd Gen width. after I installed my Moser C clip eliminator.. to retain my 1LE brakes
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#8
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Re: 4th gen rear swap question
A late 89 to 92 rear-disc car would have pretty much the same rear end as a 93-97: 7.6, 28-spline axles, an Auburn, and PBR calipers. So swapping either rear end into an 82-88 car with a 7.5 or 7.6, Gov-Loc and/or Auburn, with Delco-Moraine calipers would be an upgrade. The LS1 (98+) with its Zexel-Torsen and superior brakes would no doubt be the best choice for an 82-92 swap.
JamesC
JamesC
#11
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Car: 1995 Formula
Engine: LT1 350
Transmission: Built 4L60e
Axle/Gears: 10 bolt, Eaton posi, 3.73's
Re: 4th gen rear swap question
I have read on here that the stock wheels fit fine with a 4th gen swap.
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Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: 4th gen rear swap question
In the first pic, I'd say that car needs an adjustable Panhard Bar. I bet the other side is under the fender.
On your car, I'd ask what size tires you have, because I know a local Camaro with stock wheels, stock 245s & a LT1 rear, which is a bit wider than the LS1 rear, yet his seems to be "in" more than yours (blue car on the right, next to my white GTA).
Yes, my 315s on 11" wheels, on my stock 9-bolt rear axle fit better, but I also have an adjustable panhard bar. Stock, the crosslaces sat further out on the drivers said than the passenger side. Still under the fender, but not centered. I had to get an adjustable panhard bar to center it up good, before putting the 11"s & 315s on.
On your car, I'd ask what size tires you have, because I know a local Camaro with stock wheels, stock 245s & a LT1 rear, which is a bit wider than the LS1 rear, yet his seems to be "in" more than yours (blue car on the right, next to my white GTA).
Yes, my 315s on 11" wheels, on my stock 9-bolt rear axle fit better, but I also have an adjustable panhard bar. Stock, the crosslaces sat further out on the drivers said than the passenger side. Still under the fender, but not centered. I had to get an adjustable panhard bar to center it up good, before putting the 11"s & 315s on.
#15
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Car: 86 Trans Am, 88 Formula
Engine: 95LT4, 305TPI
Transmission: T56, T5
Re: 4th gen rear swap question
the green car was the same on both sides. they aren't factory wheels and had a slightly higher or lower offset.
My GTA wheels had the stock size 245/50/16 tires.
with 315's on correct offset wheels and LS1 rear,
My GTA wheels had the stock size 245/50/16 tires.
with 315's on correct offset wheels and LS1 rear,
#16
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Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: 4th gen rear swap question
Define "correct offset". I still have the early 3rd gen aluminum drum spacers (thought I'd need them. i didn't, i just never bothered to pull them back out) so really, mine could go in another 4mm (about 1/4") under my 7"bs wheels.
Looks like your 315s fit under the fenders pretty good too.
Looks like your 315s fit under the fenders pretty good too.
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Car: 86 Trans Am, 88 Formula
Engine: 95LT4, 305TPI
Transmission: T56, T5
Re: 4th gen rear swap question
Define "correct offset". I still have the early 3rd gen aluminum drum spacers (thought I'd need them. i didn't, i just never bothered to pull them back out) so really, mine could go in another 4mm (about 1/4") under my 7"bs wheels.
Looks like your 315s fit under the fenders pretty good too.
Looks like your 315s fit under the fenders pretty good too.
They are 17x9.5 wheels with sumitomo 315's (for some reason Sumitomos are skinnier than other 315's)
#18
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Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: 4th gen rear swap question
I had my 9" widened to 11", then got the Sumitomo 315. I coulda just put the 315s on the 9" wheels & saved me the custom widening cost!
Oh well.....Next time I'll get "real" 315s & need the 11" wheels.
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