I have 3.31's and she will just howl if I am too heavy on the pedal.

Mike

William Oliveri wrote:
>
> Mike,
>
> What's your gear ratio with those 33s? I know I can't bark my tires with
> MPFI, 258 with 4.0 head but I'm running stock gears.
>
> Bill
>
> "Mike Romain" > wrote in message
> ...
> > Well............
> >
> > I am running an 86 with an Accel SuperCoil for hot spark, the timing
> > advance 'ported', the stock Weber-Carter BBD carb unplugged and manually
> > set up, the 'Nutter Bypass' or no emissions computer working, stock
> > manifold with a straight 2" pipe back to a Dynomax 'Super turbo' high
> > flow muffler, 3.31 gears turning 33" mud tires. In Canada it is a
> > Utility vehicle and don't require a Cat.
> >
> > I get a sweet 23 US mpg running at 65 mpg and passed the last emissions
> > with 15 ppm HC and 0.16% CO.
> >
> > 1st gear will light up my 33's way too easy when turning onto a 40 mph
> > road so I have to watch the pedal, 2nd pulls 'fast' up to 50 mph turning
> > 4400 rpm, 3rd is the power gear and hauls hard up to 75 mph or so, 4th
> > buries the needle easy and no freakin' way do I want to find out how
> > fast 5th goes.
> >
> > My speedometer is exact according to many checks with a GPS.
> >
> > My total cost was about $45.00 for the Accel coil. The Nutter which
> > puts the computer to sleep cost a couple bucks for wire, solder and heat
> > shrink and gave me a sweet 25% seat of the pants power and mileage boost
> > with at least a 10 mph increase in each gear and the ability to actually
> > get the rpm up to the top at 4500 for the 'red line'.
> >
> > I think the biggest boost anyone gets from 'any' mod to the engine is
> > because the computer has to be put out of it's misery for 'any' mods.
> >
> > New carb = kill computer = instant 25% power boost.
> >
> > New Fuel injection = kill computer = instant 25% power boost.
> >
> > MSD Ignition = kill computer = instant 25% power boost.
> >
> > Or you can just stay stock and kill the computer = instant 25% power
> > boost!
> >
> > I wish you luck and will look forward to reading about the improvements
> > you hope for.
> >
> > If or when I modify anything I will pay close attention to performance
> > increases. I think my 2" exhaust could use a set of headers and a 390,
> > but my manifold isn't broke and my carb purrs so I have no urge to
> > upgrade it. It runs pretty sweet for me now..... :-)
> >
> > Mike
> > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> > 88 Cherokee 235 BFG AT's
> >
> > CJ7 Casey wrote:
> > >
> > > I want to see how much emission legal power I can get out of my 258CI.
> > > Inline six with just bolt on parts. I will be doing that this last
> > > weekend in February 2005. Any one who has dealt with these
> > > modifications, any advice would be greatly appreciated, You can e mail
> > > me at
> > > Bolt on parts, Bolt on parts "They said it was easy, I'm hoping it
> > > is."
> > > I bought the Holley 390 cfm carburetor / the Offenhauser 4 bbl intake
> > > manifold / Holley fuel pump / Pace Setter headers / K&N filter /
> > > D.U.I. Distributor / Cintech wiring harness / 86 Wide track high
> > > strength axels and lockers / M.O.R.E. spring over, shackle reversal,
> > > lift kit...
> > > I will document these modifications to help any one it can, with
> > > problem foresight. Like I said any advice would be greatly appreciated.
> > > I will list all pros and cons I can find with these "bolt on
> > > parts". I will be doing all of this with no automotive experience, or
> > > back ground. Wish me luck, and If you know what problems to look out
> > > for, let me know.
> > > I will start documenting and posting full results and in the end it
> > > will be dino tested.
> > > With current stock engine problems I have created, and I've tried to
> > > fix, I'm getting 12 miles to the gallon and 84 horse power. I should
> > > be getting 17 miles to the gallon, and 115 horse power, if it ran
> > > properly. "they say to expect 250 horse power with all modifications
> > > and 10% better that stock fuel economy increase, They also said I might
> > > get 300 horse power out of it? They also said it's easy bolt on
> > > parts. I'll let you know.