91 gt thinking about backhalfing

1dark92gt · Aug 25, 2009

i have 91 mustang gt and im thinking about puttng a backhalf kit into it was wondering how much of a pain in the ass its goin to be i already have a decent suspension under the car but still wont hook so was goin to go backhalf or mini tub if anybody has done this would be great for some info

rbonella · Aug 26, 2009

I mini tubbed my first mustang back in the day. It was an 88 coupe. Added 4 inches inward. Pretty time consuming work. We did most of the work ourselves which saved a lot of money. If I had a shop do all the work, I would not be able to afford it and that was 13 years ago. I know of a lot of VERY fast cars that are running 8's without being back-halved, or mini tubbed.

1dark92gt · Aug 26, 2009

wats the biggest tire size i can squeeze back there

90lxcoupe · Aug 26, 2009

you cant fit a 275/60/15, seen guys do 325/50's, but those pushing it, and are def gonna rub.

theres no reason now-a-days to backhalf a car(with guys running 8's on 275's, and the record is in the 7's on a 275/60 MT also). The bigger tires is just gonna slow you down, and its gonna drian your wallet... Pro-Street is dead.

Just get adjustable uppers and lowers, an anti-roll bar, and have the car scaled and setup by a good chassis shop

rbonella · Aug 26, 2009

I agree with 90lxcoupe. Pro-street is in the past. I believe the 10.5 outlaw cars are mini tubbed to a degree, but those guys are making 2000+ hp. I also think it's a waste of money unless you do it yourself.

2000xp8 · Aug 26, 2009

I agree with these guys, no point in backhalving a mustang.
Just a waste of time and money.

You may want to consult a chasis guy that knows what he's doing to setup the suspension on the car.
Cars now go in the 6's on drag radials with no wheelie bars.
I know a good chasis guy by Toms River, pm me if you want the location.

Radical.1 · Jan 25, 2026

1dark92gt said:
i have 91 mustang gt and im thinking about puttng a backhalf kit into it was wondering how much of a pain in the ass its goin to be i already have a decent suspension under the car but still wont hook so was goin to go backhalf or mini tub if anybody has done this would be great for some info

Absolutely do it. Remember classes you’ll be put into because of the tires.. I had mine done by a pro. Best money that I spent. You’ll need a 8-10 pt roll bar/cage also. I installed swing out side bars on mine. Daily driver pro street.

AeroCoupe · Jan 25, 2026

So the OP hasn’t been seen on this site in over 15 years. Doubt you are going to get a reply.

91 gt thinking about backhalfing

1dark92gt

New Member

rbonella

Member

1dark92gt

New Member

90lxcoupe

rbonella

Member

2000xp8

Radical.1

New Member

Attachments

AeroCoupe

lube between the nut and the face. I know my lubes

Similar threads

91 gt thinking about backhalfing

New Member

Member

New Member

Member

New Member

Attachments

lube between the nut and the face. I know my lubes

Similar threads

Privacy & Transparency

Privacy & Transparency