Lean Cruise

ae2598 at wayne.edu ae2598 at wayne.edu
Mon Jan 15 13:52:05 GMT 2001


They're part of scam-chargers, huh?  So much for competition around here,
Super Shops closed a few years ago, now there's little else in the Detroit
area to choose from..

 On Sun, 14 Jan 2001, Bruce Plecan wrote:

> 
> 
> Modern Musclecar is now part of Ramchargers and very much alive.  Guess it
> is point of view thou, they are still operating under MM as of a week or so
> ago.  Least I hope so LOL (waiting on a backordered part)...
> Will be reopening under the new banner real soon.   Seems like the
> transistion is awkward from what I've seen at the moment.  Mr Bailey is
> still very much doing chips for MM, and Bailey Eng., is the designer
> manufacturer of the Translator and Translator Plus, MAF converters.
> 
> I've gotten 25+ just using the 14.7 AFR in my GN.  That also, included some
> spirited driving.  Just to hard to give into temptation. <g>.....
> 
> Hmm, makes the 46 alot more beliveable.
> Like I've think I've said before really hard for any car to be fully
> optimized without a certain amount of tinkering.
> My goal is hitting 30s (MPG), and 12 sec ETs.
> Bruce
> 
> 
> 
> > The El Nacional was in the Dec. 1994 issue of Car Craft. Jan. 1996 Car
> Craft
> > is the issue for the '95 RSE. Heath Elmer's '87 T Type got 46.17 mph  on
> the
> > fuel economy part of the test. We figured the guys from Car Craft got
> > hoodooed by Heath, no offense to him but being from NASCAR country we are
> > very familar with the idea that it's not illegal if you don't get caught.
> > Later that year at Bowling Green, Ky. for the Gran Sport club national
> meet,
> > got to talk to Bob Bailey,
> > the chip guru then associated with now defunct Modern Musclecar from the
> > Detroit area about this particular gas milage event. Having seen stone
> stock
> > GN's knock down 25/27 mpg at 55-75 mph cruise speeds, 46 mpg is pretty far
> > out of line. Tom Chou of Thrasher Performance stopped at our discussion
> > group having overheard the subject matter and incredulous comments. He
> said
> > that he was responsible for the chip in Heath's car and it was for real.
> He
> > also said it took a tremendous amount of time and "tinkering" to get the
> car
> > to do that kind of milage in a very narrow speed window. He said that he
> > originally did this lean burn on his car but that he had found that the
> > differences between one auto and the next made this type of tuning
> virtually
> > impossible for a "one size fits all" senario. Each car had to be tuned
> > indiviually to the Hiway mode for max benefit and it was just too time
> > comsuming to do commercially. He did not give up any hints as to exactly
> > what he did but he is the fellow responsible for the "Thrasher" line of
> > chips.
> >     Sorry for the length. I think this is an extremely interesting thread
> of
> > information. My 2 pesos worth.
> > Later, Mark Riley
> > ----- Original Message -----
> > From: "Bruce Plecan" <nacelp at bright.net>
> > To: <gmecm at diy-efi.org>
> > Sent: Saturday, January 13, 2001 5:39 PM
> > Subject: Re: Lean Cruise>
> > >
> > > For the lack of anything better to do I burnt a few different AFR cruise
> > > chips, just need some decent weather.
> > > At 14.7:1, I got 25.6 MPG.
> > > So 16.2 and going leaner might get some relly good mileage.
> > > Just luv em 12 sec family sedans, that get about 30 MPG
> > > Bruce
> > >    Lil guys like it too LOL
> > >
> > >
> > > > Bruce:  I don't remember where but somewhere I read that
> > > > a guy was running a GN engine in an El Camino and to get
> > > > fuel economy he was supposedly running 18.0 to 1!?
> > > > Might be interesting to see what that waste spark ign will light!
> > > > Mark
> > >
> > > > From: "Bruce Plecan" nacelp at bright.net
> > > > > I'd thought 16.2 would be about the limit, but alias wrong again.
> > > > > I'm to that, and motor is happy as a lark. (ie real happy)
> > > > > With a low CR engine already running a bunch of timing.
> > > > > What are folks running for lean cruise ratios?.
> > > > > Bruce
> >
> >
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