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Author
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Topic: Biggest rear tires on a '65 (again)
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V8 Thumper
Gearhead Posts: 3529
From: Orange, Ca. United States of America
Registered: Dec 2001
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posted 03-25-2002 10:47 PM
   
Sorry guys, I know we've been over this before. Since I'm having my '65 painted, I'm also having the rear fender lips rolled back. If I narrow a rear housing two inches (per Alex), can I in fact fit 15x8.5 Torq-Thrusts? They are backspaced 3 3/4", I believe; what tires can I cram under there? The front/inboard portion of the wheelhouse looks mighty tight...
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Moneymaker
Administrator Posts: 19751
From: Lyons, IL, USA
Registered: May 99
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posted 03-25-2002 11:09 PM
Street tires? If so, you can probably fit some P-295-50's on there.  ------------------
Alex Denysenko
Co-Administrator and Moderator/ non 65-66 Mustang owner sensitivity co-ordinator NHRA/IHRA/SRA member
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Part time secret agent license #0089
US Class Nationals link
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mvierow
Gearhead Posts: 199
From: Bay Area, Ca
Registered: Apr 2001
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posted 03-27-2002 01:08 AM
Alex can you explain this narrowing process? It doesn't involve moving springs does it? I'm going to need something more than the 225 tread width I have on there now once I fire up this new motor, but don't want to get into any major fabrication projects. Thanks
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V8 Thumper
Gearhead Posts: 3529
From: Orange, Ca. United States of America
Registered: Dec 2001
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posted 03-27-2002 07:42 AM
quote:
Originally posted by mvierow:
can you explain this narrowing process? It doesn't involve moving springs does it?
No, the springs stay put. Narrowing the rear axle is just that- having one inch cut off of either side of the housing, and then having a new flange welded back on. The axles themselves also will be cut down one inch.
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CRB
Gearhead Posts: 119
From: Raritan NJ
Registered: Jul 2000
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posted 03-27-2002 10:38 AM
I would also like to understand this better. I does not appear that on my car (66) I could cut down the housing an inch on either side. There is only about 3/4 of an inch between my tires and the springs. I have not checked what my back spacing is so that may be the issue. If you cut an inch from either side what other considerations are there? are there any problems for the inner wheelhousing? What backspacing is correct? Also I thought you could not cut down 65/66 axles because they are tappered? thanks
chip
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V8 Thumper
Gearhead Posts: 3529
From: Orange, Ca. United States of America
Registered: Dec 2001
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posted 03-27-2002 10:52 AM
quote:
Originally posted by CRB:
If you cut an inch from either side what other considerations are there? are there any problems for the inner wheelhousing? What backspacing is correct? Also I thought you could not cut down 65/66 axles because they are tappered?thanks
chip
I'm going to run Torq-Thrusts... they're backspaced 3 3/4". Yes, it looks like the front/inner wheelwell will require some 'massaging'. You need to get rid of that outter fender lip also. No, you can't cut tapered axles, I'm having Currie build me a 9" housing and 31 spline axles to my specs
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mvierow
Gearhead Posts: 199
From: Bay Area, Ca
Registered: Apr 2001
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posted 03-27-2002 12:20 PM
I'm not so concerned about the front, but I'll for sure need more traction in the back. I think I'll just play with the back spacing if its only for an inch. A friend of mine took a picture of a '65 this weekend at the Goodguys car show that had 255's mounted on 17x8 TT2's. No changes to the suspension and nothing major to the fender other than probably cutting back the under lip a little. He didn't get a good picture of the setup unfortunately.
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