Daveyoneusa Posted June 25, 2008 Share Posted June 25, 2008 New to the truck stuff and just got my first B-61 Mack.The Mack has 10 x 20 tires. A local fire department is getting rid of a 1966 White fire truck that has 12 x 20 tires. I have the option of taking the tires and rims off of the White. The tires and rims are in great shape. Can I just swap the tires and rims over to the Mack?Thank you!Dave Quote Link to comment https://www.bigmacktrucks.com/topic/3913-10x20-to-12x20/ Share on other sites More sharing options...
Rob Posted June 25, 2008 Share Posted June 25, 2008 New to the truck stuff and just got my first B-61 Mack.The Mack has 10 x 20 tires. A local fire department is getting rid of a 1966 White fire truck that has 12 x 20 tires. I have the option of taking the tires and rims off of the White. The tires and rims are in great shape. Can I just swap the tires and rims over to the Mack?Thank you!DaveI've got 12/00X20 tires on one of my B-61's that is a tandem. The rear tires really could use a wider spacer between them, (Dayton wheels), as clearance is tight but for a driver type truck that will not be worked heavy, there are no problems. The steer axel presents no clearance issues either.Rob Quote Plodding along with no job nor practical application for my existence, but still trying to fix what's broke. Link to comment https://www.bigmacktrucks.com/topic/3913-10x20-to-12x20/#findComment-20048 Share on other sites More sharing options...
HK Trucking Posted June 26, 2008 Share Posted June 26, 2008 You'll also gain a few MPH on the top end with the larger tire diameter.Of course this comes at the cost of slightly reduced startability in low gear, but if it's a "toy" truck that won't be a major consideration. Quote "If You Can't Shift It Smoothly, You Shouldn't Be Driving It" Link to comment https://www.bigmacktrucks.com/topic/3913-10x20-to-12x20/#findComment-20052 Share on other sites More sharing options...
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