Gears & Axles - Rear width?
01-03-2008, 10:02 AM
What are the questions to ask when deciding on narrowing the rear? My car is track only and I am about to cut down a 9" and was just curious how much I should cut it down. Is it just a "what tire do I want to run" question? Or is there more to it than that?
Basically it depends on what wheel offset you are going to use, but narrowing the rear past three inches per side can get into relocating suspension parts. Bob
01-04-2008, 08:31 AM
Thanks. I don't want to go that much.
01-04-2008, 10:38 AM
Will you Mini Tub? That will have a large impact on wheel decision. Are you going to keep the stock rear springs and suspension parts? Again this will impact tire and wheel choice.
01-04-2008, 11:45 AM
I will be mini tubbing the car but want to keep the stock rear springs and suspension where they are for the time being. I plan to make around 900+hp depending on whether I decide to go turbo or nitrous. Right now I think I am going LSX 427 with a F1, but with the production halt on the blocks that depends. I have the stuff for a 408 with an 88mm turbo at a friends house that we thought about throwing in the car. Can you also suggest a wheel and tire size? I have been running the 275/60 dr's and want to make sure I have enough room to support future combos.
01-04-2008, 01:28 PM
Keeping the stock springs will limit what you can do. You could fit a 28x10.50 without the minitub. If you are going through the trouble I would dump the factory springs and perches and go a different way. Odds are you will need to cut that section out to minitub anyway.
At 900 HP I would look at a 29.5x10.50 at least. I know there are people that go 7's on a 28 or smaller. It ain't easy or cheap. A taller tire is more forgiving and easier to tune.
Just a few thoughts.
01-04-2008, 01:36 PM
Thanks. If I dump the springs and perches, what are my options?
01-04-2008, 02:34 PM
I replied to your PM.It may be best to just chat a bit and go over options.
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