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Thread: Tire size for Wheels INFO please
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09-12-2009, 04:26 AM #1
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black- 95 trans am
Tire size for Wheels INFO please
Hello, I am looking at a set of ruff racing r944's they are size 19x9 all the way around with an offset of +50, what size of tire would I need please? the supplier is saying he can provide me 245/ 30 /19 to a 265/ 30 /19? tire rack says 245 / 40 /19 ? any help would be appreciated before I order these wheels. thank you so much for everyones help too! just one more month before I put her away for the winter
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09-12-2009, 05:33 AM #2
Here's a tire size calculator... This might help you !!!
http://www.dakota-truck.net/TIRECALC/tirecalc.html
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09-12-2009, 09:14 AM #3
275/30/19s (25.5") is what you want. If you want a staggered sidewall height a 275/35/19(26.58") is your size for the rear wheels.
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09-13-2009, 06:02 AM #4
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black- 95 trans am
thank you everyone, so I should go with 275/30/19's ? hmm wonder why the supplier wanted me to go with 245's ? I currently have 275's now and they are not going to be stagered wheels, I want the same all the way around!! thank you so much for all your help too!
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09-13-2009, 01:15 PM #5
Yes, 275/30/19 is the size to go with.
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09-22-2009, 08:24 AM #6
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black- 95 trans am
what is the correct bolt pattern for our vehicles 5x120.65?
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09-22-2009, 08:44 AM #7
Yeah, 120.65 x 5 is correct, but quite a few people still use the 120 x 5 bolt pattern without a problem.
IMO, you should see if you can get those wheels with a +40 offset, then the wheels won't look like there tucked in to far.Last edited by Blue28; 09-22-2009 at 08:47 AM.
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09-22-2009, 08:50 AM #8
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black- 95 trans am
so I should go with a +40 offset instead of the +50??
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09-22-2009, 09:25 AM #9
I would, it'll look better
These are 19 x 9's with a +40 offset(Tork, Imagine) and 275/30/19 tires.
http://i128.photobucket.com/albums/p...100_2791-1.jpg
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09-22-2009, 11:07 AM #10
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black- 95 trans am
thank you bluye28 but the manufacturer(ruff racing ) says they are only made in a 19x9 with a +50 offset do you have any pics of any a wheel and 275 tire combo with the +50 offset for our fbody's? just curious what they actually look like stance wise since I can't goto the store cause it is so far away from me? thank you blue28 and to everyone else with anyhelp I appreciate it
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09-22-2009, 11:21 AM #11
10mm equals right about .394", so the +50 offset will tuck in between 3/8 to 7/16" more than the +40 offset wheels shown.
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09-22-2009, 11:24 AM #12
Here's my car with 18 x 9's +45 offset.
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09-22-2009, 11:31 AM #13
I believe the stock 17 x 9's are a +50 offset.
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09-22-2009, 10:05 PM #14
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black- 95 trans am
THANK YOU EVERYONE SO THE RUFF RACING R944'S 19X9'S ALL THE WAY AROUND WITH 275'S/30'S OR 35'S? i WANT THE SAME SIZE TIRE ALL THE WAY AROUND SO SHOULD i GO WITH 30'S OR 35'S?
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09-23-2009, 08:59 AM #15
If you want them all the same size go with the 275/30/19s, otherwise you might have some slight rubbing issues with the 275/35/19s up front.
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09-25-2009, 10:54 AM #16
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black- 95 trans am
plus sizing wheels and tires
im going from a 17x9 with 275 40 tire combo to a 19x9 with 275/30 tire combo
all the way around will this affect my cars get up and go performance?
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09-25-2009, 11:38 AM #17
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blue- 1998 camaro z28
I did this for u check this out,
Wheel size 17x9 ET 50 19x9 ET 50
BackSpace 177 mm (6.9'') 177 mm (6.9'')
Tires: Tire 1 275/40-17 Tire 2 275/30-19
Section width 275 mm (10.8'') 275 mm (10.8'')
tire 1Sidewall 110 mm (4.3'') tire 2 83 mm (3.3'')
Tire 1 diameter 652 mm (25.7'') Tire 2 Diameter 649 mm (25.6'')
3 mm (0.5%) shorter.
Rim sizes 17x8.5 to 17x10.5 Tire 2 19x8.5 to 19x10.5
Circumference 2047 mm (80.6'') Tire 2 2038 mm (80.2'')
Revs per mile Tire 1 786.1 Revs per mile Tire 2 789.7
Speedometer Assuming that this is OEM tire and speedometer readings are correct When speedometer reads 60mph (96.6km/h) actual speed will be 59.7mph (96.1km/h): 0.5% slower.
Clearance: Package 1 Package 2
Suspension Assuming that this is OEM wheel/tire and there is no any problems with clearance on both sides The same.
Fenders The same.
Wheelwells The same.
Net effect on paper no change but this not take account for tire and wheel weight, and the effects of the larger rotating mass of the wheels, etc.Last edited by need4speed069; 09-25-2009 at 11:56 AM. Reason: modified format of info
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