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#1
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8" Wide Rims - What back spacing for 68 GTO? - Looking to run 275/60/15 drag radials
Hi - With 8" Wide Rear Rims, what back spacing do the rims need to be for 68 GTO? - Looking to run 275/60/15 drag radials.
Thanks, Chris |
#2
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4.5 , you may be able to get away with 4.
.
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. 1970 GTO Judge Tribute Pro-Tour Project 535 IA2 http://forums.maxperformanceinc.com/...d.php?t=760624 1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car https://forums.maxperformanceinc.com...ght=procharger Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be |
#3
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4.5 , you may be able to get away with 4.
..
__________________
. 1970 GTO Judge Tribute Pro-Tour Project 535 IA2 http://forums.maxperformanceinc.com/...d.php?t=760624 1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car https://forums.maxperformanceinc.com...ght=procharger Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be |
#4
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I run 4.5.
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#5
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Last edited by triathlonx13; 09-24-2020 at 06:12 PM. |
#6
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Exact same tires you speak of.
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#7
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#8
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I have 4.75 on 15x8 wheels with 275/60r15 tires on my 68 GTO.
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1968 - Pontiac GTO |
#9
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Have 4.25 BS with Hoosier 275 DR’s with the car lowered 2”. Real tight fit on the outside of the wheel well. 4.5 or even 5” would be a better fit.
The Hoosiers are about 1/2” shorter than MT 275’s so I don’t think those would fit unless the back of the car was lifted a little.
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68 GTO,3860# Stock Original 400/M-20 Muncie,3.55’s 13.86 @ 100 Old combo: 462 10.75 CR,,SD 330CFM Round Port E's,Old Faithful cam,Jim Hand Continental,3.42's. 1968 Pontiac GTO : 11.114 @ 120.130 MPH New combo: 517 MR-1,10.8 CR,SD 350CFM E's,QFT 950/Northwind,246/252 HR,9.5” 4000 stall,3.42's 636HP/654TQ 1.452 10.603 @ 125.09 http://www.dragtimes.com/Pontiac-GTO...lip-31594.html |
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