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Old 08-07-2021, 07:17 AM   #1
6130
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Default Re: '94-'96 GM B-body 260/299 LT1 350 sedan or wagon stocker

What wheel offset do I need to properly fit a 15x10 with a 9x30 radial in the rear? I'm looking at some of the black versions of the RC Components "Fusion" wheels...
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Old 08-07-2021, 11:01 AM   #2
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Default Re: '94-'96 GM B-body 260/299 LT1 350 sedan or wagon stocker

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What wheel offset do I need to properly fit a 15x10 with a 9x30 radial in the rear? I'm looking at some of the black versions of the RC Components "Fusion" wheels...
The SS and Caprice came with 2 axle lengths.
SS are a few mm longer.
No problem fitting 30x9 slicks.
I have rare Centerlines wheels with 3.5 backspacing.
Wagons have even longer axle.

I do have a complete 8.5 rear for sale.
4.56, Moser axles, ARP studs, mini spool.
disk brake to disk brake.
Have a PowerTrak in box.
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Old 08-07-2021, 11:37 AM   #3
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Default Re: '94-'96 GM B-body 260/299 LT1 350 sedan or wagon stocker

My bad- I was reading the wrong line when I scrolled right to see the pounds per horsepower.

It is in fact 14.87 pounds per horsepower for the '94-'96 Chevy and Buick LT1 B-wagons, making them natural N cars, which would save me the expense of a roll bar and 2-year driver's harness.

I'm gonna go back and edit my previous posts, to eliminate the incorrect information.

Last edited by 6130; 08-07-2021 at 02:45 PM.
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Old 08-07-2021, 11:45 AM   #4
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Default Re: '94-'96 GM B-body 260/299 LT1 350 sedan or wagon stocker

Okay, so the N/SA index is 13.00, and the record is currently 11.99 @108 or so. Sounds like I'm looking at about a 5.57 rear gear for starters...

Last edited by 6130; 08-07-2021 at 11:48 AM.
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Old 08-07-2021, 03:16 PM   #5
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Default Re: '94-'96 GM B-body 260/299 LT1 350 sedan or wagon stocker

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Sounds like I'm looking at about a 5.57 rear gear for starters...
I really doubt it would want that much. Maybe 5.13.
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Old 08-07-2021, 03:43 PM   #6
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Default Re: '94-'96 GM B-body 260/299 LT1 350 sedan or wagon stocker

Billy Nees. I have one of these wagons in stock.
Hmmm. Winter project?
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Old 08-07-2021, 03:56 PM   #7
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Default Re: '94-'96 GM B-body 260/299 LT1 350 sedan or wagon stocker

Az Classic car site on facebook has a 92 Chevy Wagon, running driving with lt1 for 2800. Car looks pretty good.
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Old 08-07-2021, 04:13 PM   #8
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Default Re: '94-'96 GM B-body 260/299 LT1 350 sedan or wagon stocker

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I really doubt it would want that much. Maybe 5.13.
Put 5.13’s in my SS.
Running 28inch tire, locking converter at 98mph.
If I go with a 8inch converter will go to a 30 inch tire.
Turn off the lock up.

N/SA you will be close to 4500lbs.
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Old 08-07-2021, 04:27 PM   #9
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Default Re: '94-'96 GM B-body 260/299 LT1 350 sedan or wagon stocker

Sounds like you're doing your homework..That's good.
Just be careful who you listen to..This won't be a pure stocker.
OD trans planetaries and clutches and LU converters have no business in a good K/SA car. You'll leave too much ET on the table.
I think you already know that. ;-)
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