GBotM Nov '17 - WIDE TIRES

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Kemper1976

Greasemonkey
Jul 25, 2017
172
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Topeka, KS
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275/60/15 Drag Radials
 
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Dunn

n00b
Jan 11, 2017
4
7
3
305/45/17's on a 9.5inch wheel. Rubs a bit going over bumps, next time I'll do 295s and I think it'd be perfect.
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Qdub24

Royal Smart Person
Sep 6, 2006
1,796
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Columbus, GA
Actually I had no intention of everyone whipping out the micrometers and getting into arguments about it. I basically was considering actual wheel width but hey this is fun too. :popcorn:

Sorry, I don't have pics of my car on the 22x11s

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307 Regal

Royal Smart Person
Oct 21, 2009
1,667
915
113
Northern Indiana
Sorry, I don't have pics of my car on the 22x11s
Get some! I've never seen your Cutlass on anything but those steel wheels. Post it up some time.

I am looking at putting 315’s on my notched frame/fender rolled El Camino. What backset, etc did you use on the wheels? I want to use the correct size wheels so I don’t have to run spacers or anything
If I remember correctly he's using a C4 Corvette IRS rear end on his car, so I don't know if you can use his backspacing with a standard live-axel rear.
 
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Ace Burt

Greasemonkey
Jul 23, 2017
148
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Texas
I am looking at putting 315’s on my notched frame/fender rolled El Camino. What backset, etc did you use on the wheels? I want to use the correct size wheels so I don’t have to run spacers or anything
Get some! I've never seen your Cutlass on anything but those steel wheels. Post it up some time.


If I remember correctly he's using a C4 Corvette IRS rear end on his car, so I don't know if you can use his backspacing with a standard live-axel rear.
Thanks, I bought the tool to measure everything it just hasn’t arrived yet. Mine has a standard width Ford 9” rear end with the UMI frame notch kit.
 

Ace Burt

Greasemonkey
Jul 23, 2017
148
190
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Texas
Thanks, mine has the UMI frame notch kit with a standard width Ford 9” rear end. I ordered the tool to measure everything but that looked sweet and I was hoping to learn from what he did
 

CWPottenger

G-Body Guru
Oct 9, 2012
848
323
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I am looking at putting 315’s on my notched frame/fender rolled El Camino. What backset, etc did you use on the wheels? I want to use the correct size wheels so I don’t have to run spacers or anything

The Specs on mine will not probably work for you. I have an independent rear end from a C4 Vette fabricated into my Regal. I do not have any frame notch at all. I am running GNX flares and the IRS is wider flange to flange then a std Gbody rearend, so my tires go outward to get the 11.5" wide rim in car. So if you used my specs the rims/tires would end up outside of your sheet metal.
Also because my tires move straight up and down without angular deflection of a solid rearend I can run tighter clearances to body and frame.
 
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Ace Burt

Greasemonkey
Jul 23, 2017
148
190
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Texas
The Specs on mine will not probably work for you. I have an independent rear end from a C4 Vette fabricated into my Regal. I do not have any frame notch at all. I am running GNX flares and the IRS is wider flange to flange then a std Gbody rearend, so my tires go outward to get the 11.5" wide rim in car. So if you used my specs the rims/tires would end up outside of your sheet metal.
Also because my tires move straight up and down without angular deflection of a solid rearend I can run tighter clearances to body and frame.
Ok, thanks. Great job, it looks sweet!
 
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