Hey guys.

I have a new moser 9" setup for lt1 brakes for a third gen f-body.

I'd like to put it into my 4th gen. I have put a 4th gen diff in a third gen before, and know they fit minus the width.

Now what I want to do is buy a set of adapters to make my stock 4th gen wheels fit normal. I'm assuming a set of third gen adapters will work. Here is what I was thinking:

Measure my 10 bolt w/brakes on it
Measure the 9" with brakes on it
split the difference and get adapters of that size.

Is that about right? Where can I get them from?

What are the dissadvantages of using adapters. I intend to use them on the street only. Although I do have drag radials.

At the track I want to buy a set of drag wheels and slicks (28" tall) (assuming third gen offset) that will fit this setup and delete the adapters for added safety.

My third gen project is slow moving, and this diff is ready to go. I'd like to use it this summer so I can make some passes at the track w/o needlessly destroying my "built" 10 bolt.

Thanks for your time guys,

Igor.

 

Yes.... measure the total width, from the surface of the left wheel axle mounting flange to the right wheel axle mounting flange. Divide that number by 2. Buy a pair adapter/spacers in that width.

The Strange website says the difference in width between a 3rd Gen rear and a 4th Gen rear is 3". But I've had people tell me that is wrong, and the actual difference is 4"..... so you really need to measure it to be sure.

I like the stuff from:

http://www.skulte.com/

 

Thanks Injuneer,

Any known downfalls with driving with spacers?

Also i'd like my rear wheels to sit "outwards" (toward the fender lip) a bit more then they do stock. So if I get a slighly wider adapter, can you see any problems or dissadvantages of this for handling/safety?

Thanks.

 

Check the FAQ on the Skulte site. These are billet adapters, and they claim they will be stronger than the wheel. An "adapter" is a lot better than a "spacer", because the studs are maintained primarilly in "shear", and there will be no more bending stresses than you would apply by bolting a wheel on the standard studs. A spacer causes an increase in bending stress, because the load is applied farther away from the hub face.

GM put spacers on some of the factory 3rd Gen wheels, because the front and rear "width" was different, and required different offsets on the front and rear wheels.

 

Thank you.

Spacers might be cheper, but adapters are well worth my safety.