 Forgeline RS wheels, Trying to make room in the garage |
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 Dec 22 2004, 02:22 AM
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#1
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FRRAX Owner/Admin  Group: Admin Posts: 15,433 Joined: 13-February 04 From: Ohio Member No.: 196  |
I have 4 Forgeline RS wheels for sale. These were used as race rims and have some pits and such in the finish from track use. They are not show condition wheels, but are in good shape (round and lightweight). 2 wheels are 17x11's and 2 are 17x9.5's. I bought these to run on my car and have decided not to use them (and I need the space in my garage back, I've got 3 sets of wheels and this set of rims in my garage at this time). I'm only asking what I have in them (the retail price on these are about $2000 for the set of four).
$650 plus freight (they are still boxed up in my garage). |
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Dec 29 2004, 01:17 PM
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#41
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FRRAX Owner/Admin Group: Admin Posts: 15,433 Joined: 13-February 04 From: Ohio Member No.: 196 |
QUOTE (MikeP-99Z @ Dec 29 2004, 01:31 AM) Interested in the math here... isn't offset calculated from the centerline of the rim? http://www.usacomp.com/Offset.htm Yup, it is. And, I think I figured it wrong. |
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Dec 29 2004, 01:22 PM
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#42
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FRRAX Owner/Admin Group: Admin Posts: 15,433 Joined: 13-February 04 From: Ohio Member No.: 196 |
Ok. Now that I'm awake, I just refigured it. The specs are:
F: 17x9.5 60.325mm backspacing R: 17x11 68.2625mm backspacing I think the math works on those numbers. I was figuring 3/16 as 3/8ths last night among other problems..... |
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Dec 29 2004, 01:26 PM
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#43
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FRRAX Owner/Admin Group: Admin Posts: 15,433 Joined: 13-February 04 From: Ohio Member No.: 196 |
QUOTE (231go @ Dec 28 2004, 11:55 PM) Im not as worried about the fit as I am them being legal. My car is run in A-Stock and I need a 17x9.5 w/ 56mm front and 17x11 50mm in the rear. Rules say that I can go +/-.25 of an inch, but thats all. I would measure my 17x9.5's, but I don't have any 17x11's to look at. Offset for the front should be at 2.2 and the rears at almost 2 inches. I think the fronts may be legal, the rear may need a 13mm (1/2") spacer to be legal. Based on a tolerance of 6.35mm (.25"). You needed a 56mm front, these are 60.325. The rears are 68.2625mm and you need 50mm, so a 1/2" spacer would get you "there". That makes more sense. |
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Dec 30 2004, 12:37 AM
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#44
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F-bodyless.... Group: Advanced Members Posts: 243 Joined: 31-December 03 From: Austin, TX Member No.: 77 |
I still think im going to pass. I would need to run a big spacer just to be legal, and if anything I wanted to leave room for a 1/4" spacer on top of the stock 50mm offset in case I have clearance issues w/ the 335's. I wish you were a little closer so that I could throw them on and see just how much clearance I would have, ow well..
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Dec 30 2004, 01:19 AM
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#45
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FRRAX Owner/Admin Group: Admin Posts: 15,433 Joined: 13-February 04 From: Ohio Member No.: 196 |
No problem.
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Dec 30 2004, 02:36 AM
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#46
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Member Group: Advanced Members Posts: 122 Joined: 30-January 04 Member No.: 173 |
According to my rough calculations I get that the fronts are 42mm offset and the rears are 56mm.
See this site for a good visual reference: http://www.skulte.com/adapterfaq.html A 50mm 17x11 has 7.93" of backspacing. so if yours measures 8 3/16"; that is about 1/4" more or 56mm A 38mm offset 17x9.5 has 6.7" of backspacing. so yours measures 6 7/8"; that is about 3/16" more or about 42mm. George E. |
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