Re: [Chevelle-list] Ring and Pinion

[Clint Hooper]

Those numbers sound pretty close,Tom. I once owned a Motion Performance 69 Nova. With 3.73 cogs and a 26" tall tire,I was seeing 4,000rpm at 80mph on the highway. That's quite a bit. 15mpg with a BB and 3.73 cogs is quite exceptional mileage,you have to admit. Clint Hooper H&H Custom,owner 1969 El Camino ProTourer 2001 H-D FLHR custom bagger http://dalesplace.com/misc/friends/clint/clint_hooper.htm ----- Original Message ----- From: [EMAIL PROTECTED] I am running 3.73's in my 70 with a 28" tall tire.  I am running around 3200 RPMs at 70 MPH.  The car gets 15 MPG on the highway with a healthy 454/TH400.  I was running 4.10's in it for a few years and did alot of highway driving with it, it ran fine everytime I took it down I-95 from NJ to MD, never missed a beat.  I only replaced tghe gears because the 4.10s were whining so loud from not being setup properly by the person I got it from.   Tom