Grigg, I think I have a similar unit on my GMC with the tandem tag axle. Do these units make a big difference in mileage or top speed. The truck is a '52 or '53 with a 302.


Terry Wofford
'52 GMC 3 1/2 Ton
'51 GMC 2 1/2 Ton
'53 GMC 1 1/2 Ton
'53 Chevy 2Ton
"If it ain't broke, well give me the keys and I'll be right back!"