Pontiac GTO 2004-2006 The Modern Goat

New Wheels: VMR V710 19"

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Old 02-20-2013, 07:30 PM
  #41  
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Also, I dont know if I quite follow the "lighter but bigger so I'm saving in rotating mass."

Yes, you may save a lb or two, but some of that is negated because a large chunk of the weight that you still have is now farther from the center of rotation, and as we know from the function of a lever, it will take more force to move the weight when its farther out.

I do love the look of those in 19's on your car though.
Old 02-21-2013, 02:10 PM
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Originally Posted by Alpha Male
Also, I dont know if I quite follow the "lighter but bigger so I'm saving in rotating mass."

Yes, you may save a lb or two, but some of that is negated because a large chunk of the weight that you still have is now farther from the center of rotation, and as we know from the function of a lever, it will take more force to move the weight when its farther out.

I do love the look of those in 19's on your car though.
I saved 10lbs off each the front and 2lbs off each rear iirc. I don't think the movement of the weight out slightly is enough to increase the moment of MOI when you consider that overall I removed about 25lbs. Worse case scenario the MOI didn't change and I still saved unsprung weight.
Old 02-22-2013, 10:34 PM
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hey jst a quick question did u do any type of mods to make them fit on your goat spacer anything? did they fit perfectly as stock do? and also what is the +35 nd +50 i see in your rim sizes can you help me?? noobie here im trying to get rims for my goat but i have no how to look for rim sizes but urs looks perfect i want mines like that(size) please help thank you


Originally Posted by 409CISecondGen
19x8.5 +35
235/35R19

19x9.5 +50
275/30R19

Tires: Continental Extreme Contact DW



Old 02-24-2013, 12:31 PM
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Originally Posted by josejuan602
hey jst a quick question did u do any type of mods to make them fit on your goat spacer anything? did they fit perfectly as stock do? and also what is the +35 nd +50 i see in your rim sizes can you help me?? noobie here im trying to get rims for my goat but i have no how to look for rim sizes but urs looks perfect i want mines like that(size) please help thank you
Sure, I had the front and rear fenders rolled. Basically the lip on the fender that is parallel to the ground was bent up to be flush with the inside of the fender.

+50mm and +35mm refer to offsets. A wheel that stuck out 4.25" and went into the fender 4.25" from the hub would have a 0mm offset. Positive offset pushes more of the wheel out towards the fender. Negative offset sinks the wheels into the fender.

Here is a calculator that will illustrate offsets, play with inputting different offsets and you'll get the idea.

http://www.1010tires.com/WheelOffsetCalculator.asp
Old 02-26-2013, 01:46 AM
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thank alot man for that info i understand now perfectly about ur rims allyou did was roll the fender nd they fit right in?? no other mods or alterations

PS: i love your wheel set up looks beautiful on your car of course that goat looks incredible too



Originally Posted by 409CISecondGen
Sure, I had the front and rear fenders rolled. Basically the lip on the fender that is parallel to the ground was bent up to be flush with the inside of the fender.

+50mm and +35mm refer to offsets. A wheel that stuck out 4.25" and went into the fender 4.25" from the hub would have a 0mm offset. Positive offset pushes more of the wheel out towards the fender. Negative offset sinks the wheels into the fender.

Here is a calculator that will illustrate offsets, play with inputting different offsets and you'll get the idea.

http://www.1010tires.com/WheelOffsetCalculator.asp
Old 02-26-2013, 02:02 PM
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Originally Posted by josejuan602
thank alot man for that info i understand now perfectly about ur rims allyou did was roll the fender nd they fit right in?? no other mods or alterations

PS: i love your wheel set up looks beautiful on your car of course that goat looks incredible too
Yes, I just rolled the fenders and they fit. You could even go with a +45 in the rear instead of a +50 to push them out 5mm more and they shouldn't rub.
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Old 08-19-2023, 07:59 PM
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Really nice car did do any of them hit the fenders and did you have to roll or make clearance in the rear for the rear 9.5 +50mm to fit or they fit like a glove? Im looking to do the same but in 18" 18x8.5 front 18x9.5 rear +50 for the same staggered fitment.

I see you rolled the rear fenders mine are rolled as well to make room for some big 20x9 +35 wheels.
Old 08-25-2023, 11:30 PM
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Originally Posted by 95maroz28
Really nice car did do any of them hit the fenders and did you have to roll or make clearance in the rear for the rear 9.5 +50mm to fit or they fit like a glove? Im looking to do the same but in 18" 18x8.5 front 18x9.5 rear +50 for the same staggered fitment.

I see you rolled the rear fenders mine are rolled as well to make room for some big 20x9 +35 wheels.
shut I just noticed this is a 10yr old thread so you probably won’t get a response.



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