wheel backspacing what's good for 20's - The 1947 - Present Chevrolet & GMC Truck Message Board Network

1moretoy · 05-01-2010, 08:38 PM

i found some wheels i like but the fronts 20x8.5 only come in a 4.5 backspace and the rears 20x10 have a 5.5 backspace. my truck is a 70 short step converted to a fleetside. will they work or would i need to run spacers. also gonna buy some drop spindles, should i get the one's that narrow the track width or push it out with a 4.5 backspace on the wheels. thanks kev.

AusTx68 · 05-01-2010, 11:24 PM

You'd have to measure to know for sure but those are generally accepted numbers. You shouldn't have any problems.

05-01-2010, 08:38 PM	#1
1moretoy Registered User Join Date: Jul 2008 Location: san jose ca Posts: 467	wheel backspacing what's good for 20's i found some wheels i like but the fronts 20x8.5 only come in a 4.5 backspace and the rears 20x10 have a 5.5 backspace. my truck is a 70 short step converted to a fleetside. will they work or would i need to run spacers. also gonna buy some drop spindles, should i get the one's that narrow the track width or push it out with a 4.5 backspace on the wheels. thanks kev.

05-01-2010, 11:24 PM	#2
AusTx68 Registered User Join Date: Nov 2008 Location: Italy Posts: 1,278	Re: wheel backspacing what's good for 20's You'd have to measure to know for sure but those are generally accepted numbers. You shouldn't have any problems. __________________ '68 C-10 SWB 383 Stroker (Sold 3/2/2013) '87 R2500 LWB 454 TBI converted to Carb



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