Re: [Amc-list] Gas mileage

[Wrambler242@xxxxxxxxxxx]

It's all across the board and not AMC specific.
My family had a handfull of 70's Chevy 1/2 ton 4X4 pickups.
Every bloody one ot them got a solid 10mpg when bought.
We always installed headers/duals [they were 49 state noncat trucks] and a part time 4X4 kit.
The winner for mpg after these mods turned out to be the truck with 3:73's and 235/75/15 tires. It would get 13.5 mpg highway.
The 3:42 geared truck improved to 12 mpg with the same size tires.
The loser was the 3:07 or :08 geared trucks! They still got 10mpg, but seemed to run better!
This was before OD trans, so that 3:73 truck would scream on the highway! It didn't hurt the mileage though.

--
Mark Price
Morgantown, WV
1969 AMC Rambler, 4.0L, EFI, T-5
" I was different before people dared to be different" 

 -------------- Original message ----------------------
From: Matt Haas <mhaas@xxxxxxx>
> 
> 
> Tom Jennings wrote:
> > On Tue, 2007-06-19 at 20:18 -0500, Clarence Milstead wrote:
> >> I think most AMC cars came from the factory with restrictive exhaust
> >> systems. Opening up the exhaust system is one of the best things you can do
> >> to increase mileage. My 1971 Gremlin picked up two miles to the gallon when
> >> I installed Clifford headers. 
> > 
> > We'll probably never really know what the reasons were, but I bet there
> > was many of them and few of them were "obvious". Fleet mileage?
> > Emissions? Probably if you strangle the sh*t out of the little six smog
> > drops or something. Or detuned/underpowered, they got fewer warranty
> > claims, and CONSUMER REPORTS rated them higher. 
> <snip>
> 
> I'd bet the scraps of a rusty Rambler quarter panel that the reason the 
> exhaust is so restrictive was to make the car quite. It wasn't until 
> fairly recently you could have both quite and efficient.
> 
> Matt
> -- 
> mhaas@xxxxxxx
> Cincinnati, OH
> http://www.mattsoldcars.com
> 1967 Rambler American wagon
> 1968 Rambler American sedan
> =================================================================
> According to a February 2003 survey of Internet holdouts released
> by UCLA's Center for Communication Policy, people cite
> not having a computer as the No. 1 reason they won't go online.
> 
> _______________________________________________
> Amc-list mailing list
> Amc-list@xxxxxxxxxxxx
> http://www.amc-list.com/mailman/listinfo/amc-list

_______________________________________________
Amc-list mailing list
Amc-list@xxxxxxxxxxxx
http://www.amc-list.com/mailman/listinfo/amc-list