Weld Racing Prostar Wheel Backspacing - 2003-04 Mach 1 Registry Owners Club

DaGerdMan · 09-03-2013, 11:42 AM

Hey guys. I am looking to find what Weld Racing Prostar wheel will fit perfect on the back with a 15x8 or 15x10 rim without modification to the brakes. (backspacing) I want to run a 28" slick on this rim. Have H&R supersports on the car now but putting the stock rear springs back in for racing. What else is needed to run skinnies on the front and what backspacing? I heard most people just use a 5/8 inch spacer with the 15/4 rim. Please let me know what you run and what modifications you had to do if you have other drag wheel suggestions. I want the tallest wall as possible to hook with the power I am putting down. Thanks!

slojunk91 · 09-03-2013, 12:06 PM

I have 15x10 prostars with 6.5 bs & 15x3.5 with 1.75 bs with a gt brake conversion & i still needed a 7/16 billet spacer on the front. Also 3" studs all the way around.

two-gun · 09-03-2013, 12:48 PM

I run billet specialities street lites 15x10 and 6.5" bs with stock mach brakes. I used stifflers low profile rear brake lines and grinded the tops of the calipers and it fits fine.

09-03-2013, 11:42 AM	#1
DaGerdMan Registered User Join Date: Jan 2011 Location: Roselle Illinois Posts: 217	Weld Racing Prostar Wheel Backspacing Hey guys. I am looking to find what Weld Racing Prostar wheel will fit perfect on the back with a 15x8 or 15x10 rim without modification to the brakes. (backspacing) I want to run a 28" slick on this rim. Have H&R supersports on the car now but putting the stock rear springs back in for racing. What else is needed to run skinnies on the front and what backspacing? I heard most people just use a 5/8 inch spacer with the 15/4 rim. Please let me know what you run and what modifications you had to do if you have other drag wheel suggestions. I want the tallest wall as possible to hook with the power I am putting down. Thanks! __________________ 2004 Black Mach 1 (Vortech V3, Anderson Power Pipe, 90MM MAF, 42lb Injectors, PHP Intake Spacer, 340lph Aeromotive, Vortech Maxflow Boost-a-Pump, Built Rear End w/ 4.10 31 Spline axles, CHE axle brace, Team Z Street Beast Control Arms, Tri/Ax, Kurgan Dyno Tune) 2012 VW TDI (daily driver)

09-03-2013, 12:06 PM	#2
slojunk91 Registered User Join Date: Feb 2013 Location: NEW YORK HIGHEST TAXES IN AMERICA Posts: 603	Re: Weld Racing Prostar Wheel Backspacing I have 15x10 prostars with 6.5 bs & 15x3.5 with 1.75 bs with a gt brake conversion & i still needed a 7/16 billet spacer on the front. Also 3" studs all the way around.

09-03-2013, 12:48 PM	#3
two-gun Registered User Join Date: Aug 2011 Location: Hayward,Ca Posts: 134	Re: Weld Racing Prostar Wheel Backspacing I run billet specialities street lites 15x10 and 6.5" bs with stock mach brakes. I used stifflers low profile rear brake lines and grinded the tops of the calipers and it fits fine.

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