Wheel size to change road speed + engine rpm
Thread Starter
Joined: Apr 2008
Posts: 1
Wheel size to change road speed + engine rpm
Hello:
I have a 1975 E270 cutaway van Eldorado RV. It is geared very low in the rear end so on the highwaythe engine revs high at 60mph. I was wondering if I put larger diameter wheels and tires on it, would thislower my engine rpmwhen going the same 60mph? I was thinking about going from 8.75R16.5 to 9.50R16.5. Would this diameter difference of 1 inch make an improvement? Or should I just go to a 17" wheel and applicable tires?
your help is appreciated,
thanks.
I have a 1975 E270 cutaway van Eldorado RV. It is geared very low in the rear end so on the highwaythe engine revs high at 60mph. I was wondering if I put larger diameter wheels and tires on it, would thislower my engine rpmwhen going the same 60mph? I was thinking about going from 8.75R16.5 to 9.50R16.5. Would this diameter difference of 1 inch make an improvement? Or should I just go to a 17" wheel and applicable tires?
your help is appreciated,
thanks.
Thread
Thread Starter
Forum
Replies
Last Post
