Small block mileage

I had a HD Sportster that got excellent mileage at slow speeds. Best observation was 60 MPG done at exactly 60 mph with the 1200 engine, 5 spd w/ the typical bolt on mods. Exhaust, ignition, air cleaner and jetting up the carb. At 70/75, mileage was more than a bit less.
But back to cars…..


I had on in a ‘03 Dakota, dead reliable but got less mileage than a 5.2 in the same vehicle. Hence my question to the OP, vehicle weight and such…

The big key was the rear gear at a whoppping 2.2 or was it a 2.45 gear set. I don’t remember a 2.2 gear ratio. When the computer worked the way it should, wasn’t that running on a crazy 17-1 AFR? I wouldn’t suggest that to anyone! LOL!

That’s not the point of argument here.
I said “It could be a PIA to install and have everything done to it to make it work.” As in trans tunnel clears Xing and f need be, trans crossmember fabrication, shortening the drive shaft, angles for the drive shaft, etc….

By saying what you did in that fashion, I feel your taking the context of my words and twisting them into a bay sayer position and that I think it’s not worth the effort and it sucks, period.

Wasn't arguing at all. Just pointed out the benefit of an OD retrofit could be even better than just the gearing.

As far as the install goes, my experience has been it is overstated by some how difficult it is to do. Lots of clearance can be gained cutting the ribs of the side of the trans tailshaft rather than chopping out the torsion bar xmember.

As to the gearset there was both a 2.45 and a 2.2 available in a 7 1/4 rear. The lean burn did go to 16 or 17 to 1 or so but it worked to get the improved cruise fuel mileage.