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  Biggest rear tires on a '65 (again)

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Author Topic:   Biggest rear tires on a '65 (again)
V8 Thumper
Gearhead

Posts: 3529
From: Orange, Ca. United States of America
Registered: Dec 2001

posted 03-25-2002 10:47 PM     Click Here to See the Profile for V8 Thumper   Click Here to Email V8 Thumper     Edit/Delete Message   Reply w/Quote
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

posted 03-25-2002 11:09 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Street tires? If so, you can probably fit some P-295-50's on there.

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Alex Denysenko
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mvierow
Gearhead

Posts: 199
From: Bay Area, Ca
Registered: Apr 2001

posted 03-27-2002 01:08 AM     Click Here to See the Profile for mvierow   Click Here to Email mvierow     Edit/Delete Message   Reply w/Quote
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

posted 03-27-2002 07:42 AM     Click Here to See the Profile for V8 Thumper   Click Here to Email V8 Thumper     Edit/Delete Message   Reply w/Quote
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

posted 03-27-2002 10:38 AM     Click Here to See the Profile for CRB   Click Here to Email CRB     Edit/Delete Message   Reply w/Quote
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

posted 03-27-2002 10:52 AM     Click Here to See the Profile for V8 Thumper   Click Here to Email V8 Thumper     Edit/Delete Message   Reply w/Quote
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

posted 03-27-2002 12:20 PM     Click Here to See the Profile for mvierow   Click Here to Email mvierow     Edit/Delete Message   Reply w/Quote
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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