4th. Gen rear in the 3rd. generation car
#1
Member
Thread Starter
Join Date: Sep 2004
Location: Wildwood, GA
Posts: 170
Likes: 0
Received 0 Likes
on
0 Posts
Car: 91 Camaro RS
Engine: 350 Police with some MINOR modifica
Transmission: kitted 700R4 & vette servo
4th. Gen rear in the 3rd. generation car
I was just reading the tech article about swapping a 4th. generation rear into the 3rd. gen cars.
I think this is a swap that I would like to tackle, but the article didn't mention what year of 4th. gen cars carried the strongest rear end. How much abuse can a 4th. gen rear handle compared to a third generation?
Will the lower control arm relocation brackets for a third gen weld up to the 4th gen rear or will I have to buy the brackets for the 4th. generation?
I think this is a swap that I would like to tackle, but the article didn't mention what year of 4th. gen cars carried the strongest rear end. How much abuse can a 4th. gen rear handle compared to a third generation?
Will the lower control arm relocation brackets for a third gen weld up to the 4th gen rear or will I have to buy the brackets for the 4th. generation?
#2
Member
iTrader: (5)
Join Date: Jan 2006
Location: St. Louis
Posts: 157
Likes: 0
Received 0 Likes
on
0 Posts
Car: '84 Camaro
Engine: 5.3l TSP 224r
Transmission: TH350 3600 stall
Axle/Gears: LS1 3.23
Re: 4th. Gen rear in the 3rd. generation car
The LS1 rears would be the best. They're not a whole lot stronger than the LT1s, but the LS1s come with the torsen posi. In terms of horsepower, I wouldn't go much more than 300, especially if you have sticky tires. Yup LCA relocation brackets will bolt/weld up just like they would on a third gen rear.
#3
Member
Thread Starter
Join Date: Sep 2004
Location: Wildwood, GA
Posts: 170
Likes: 0
Received 0 Likes
on
0 Posts
Car: 91 Camaro RS
Engine: 350 Police with some MINOR modifica
Transmission: kitted 700R4 & vette servo
Re: 4th. Gen rear in the 3rd. generation car
If the 4th gen rear was rebuilt with "GOOD QUALITY" parts, would it be able to handle 500-600 hp? Or should I continue saving for the Moser rear Spohn sells?
#4
Supreme Member
iTrader: (1)
Join Date: Feb 2000
Location: Norfolk, VA. USA
Posts: 7,964
Likes: 0
Received 3 Likes
on
3 Posts
Car: 86 Trans Am, 88 Formula
Engine: 95LT4, 305TPI
Transmission: T56, T5
Re: 4th. Gen rear in the 3rd. generation car
Auto's are fine with most stock rear ends.
the manual tranny's destroy the rears.
My old 96 Trans Am LT1 6 speed with bolt ons went through a total of 14 rear ends over 5 years.
My 88 Formula has already popped 3 rears and I don't have that much power.
the manual tranny's destroy the rears.
My old 96 Trans Am LT1 6 speed with bolt ons went through a total of 14 rear ends over 5 years.
My 88 Formula has already popped 3 rears and I don't have that much power.
#5
Moderator
iTrader: (1)
Re: 4th. Gen rear in the 3rd. generation car
Not even close. The 10-bolt with an aftermarket posi unit and stronger axles and gears is good for about 400 HP. Anything close to or more than that, and you're asking for trouble.
I think there is a tech article on this site about "Beefing up the 10-bolt" so take a look at that.
I think there is a tech article on this site about "Beefing up the 10-bolt" so take a look at that.
#6
Supreme Member
iTrader: (17)
Join Date: Jan 2005
Location: Mobile, AL
Posts: 2,716
Likes: 0
Received 2 Likes
on
2 Posts
Car: GTA
Engine: 383 HSR
Transmission: TH-700R4
Axle/Gears: 3.42
Re: 4th. Gen rear in the 3rd. generation car
Not even close. The 10-bolt with an aftermarket posi unit and stronger axles and gears is good for about 400 HP. Anything close to or more than that, and you're asking for trouble.
I think there is a tech article on this site about "Beefing up the 10-bolt" so take a look at that.
I think there is a tech article on this site about "Beefing up the 10-bolt" so take a look at that.
So an unmodified rear end would grenade on a stock firehawk or SS camaro?
#7
Supreme Member
iTrader: (1)
Join Date: Feb 2000
Location: Norfolk, VA. USA
Posts: 7,964
Likes: 0
Received 3 Likes
on
3 Posts
Car: 86 Trans Am, 88 Formula
Engine: 95LT4, 305TPI
Transmission: T56, T5
Re: 4th. Gen rear in the 3rd. generation car
I see no real point in beefing up a 10 bolt, that money is much better saved to put towards a 12bolt or 9".
I had a built 10 bolt and I broke it with my formula. that was the last thing I would have expected to break on my car.
Eaton Posi, Moser Axles, Motive 4.10 Gears, Solid Pinion Spacer, all new races and bearings, and a TA Cover with Stud Girdle, about $1150 in parts.
Right now I am cruising around with a stock 10bolt from an 01 SS 6 speed..
Trending Topics
#8
Member
Thread Starter
Join Date: Sep 2004
Location: Wildwood, GA
Posts: 170
Likes: 0
Received 0 Likes
on
0 Posts
Car: 91 Camaro RS
Engine: 350 Police with some MINOR modifica
Transmission: kitted 700R4 & vette servo
Re: 4th. Gen rear in the 3rd. generation car
Thats getting close to the price of that Moser 12 bolt I was looking at. I think I may roll up some more pennies & give Spohn a call.
Thread
Thread Starter
Forum
Replies
Last Post
1992rs/ss
NW Indiana and South Chicago Suburb
12
05-19-2020 07:02 PM
IROCZDAVE (88-L98)
Interior Parts for Sale
4
10-06-2016 09:08 AM
AkDrifted
Engine/Drivetrain/Suspension Parts for Sale
6
08-17-2015 07:45 PM
1992 Trans Am
Engine/Drivetrain/Suspension Parts for Sale
1
08-08-2015 08:16 PM