I have a Jeep "wk" with the hemi. I have to say it is shortening my life!> Does anyone know what is causing the vibration/hesitatio­n when the throttle> is lightly applied?> I understand I may get flamed or ridiculed, but I am going crazy. My wife's> "WJ" and my daughter's "XJ" run better!> Thanks Joe

Joe wrote:> >

"Joe" wrote ...>> I have a Jeep "wk" with the hemi. I have to say it is shortening my life!>> Does anyone know what is causing the vibration/hesitatio­n when the throttle>> is lightly applied?>> I understand I may get flamed or ridiculed, but I am going crazy. My wife's>> "WJ" and my daughter's "XJ" run better!>> Thanks Joe

Didn't Chevrolet try that in the mid 80s as well ?>

Dave Milne, Scotland> '91 Grand Wagoneer, '99 TJ

Dave Milne wrote:> >

This is what I was thinking of:>

"That big news was, of course, the 1990 Corvette ZR-1 coupe (the ZR-1 was> never available as a convertible). Nicknamed "King of the Hill," the ZR-1> was built around the Lotus-designed, Mercury Marine-built, all-aluminum,> 5.7-liter, DOHC, 32-valve LT5 V8 making an astounding 375 horsepower. That> is, it made 375 horsepower when an in-dash key was set in "full-power" mode> and not in the "valet" mode when it was limited to just 250 horsepower.">

http://www.edmunds.­com/reviews/generati­ons/articles/100444/­article.html>

do you know how they did it ?>

Dave Milne, Scotland> '91 Grand Wagoneer, '99 TJ

I have a Jeep "wk" with the hemi. I have to say it is shortening my life!> Does anyone know what is causing the vibration/hesitatio­n when the throttle> is lightly applied?> I understand I may get flamed or ridiculed, but I am going crazy. My wife's> "WJ" and my daughter's "XJ" run better!> Thanks Joe

Hi Dave,> That's a SMOG motor, and there's a zillion ways they could mess> with the computer to make or take away horsepower, as limited as it is,> it's the fuel economy Dialer's after to justify this Hemi with the> Environmental Protection Agency, and to do that they must take away> cubic inches. My thunderbird has an OHC V8, it's not worth thinking> about. And note you were looking at 375 HP, Geez a stock '66 327" Vette> has that! And of course it's push rod, for brute horsepower like the new> Hemi.> God Bless America, Гџill O|||||||O> mailto:LWHughes3rd@­aol.com http://www.billhugh­es.com/>

Dave Milne wrote:> >

gee thats why a new biggar cubic inch motor is on the way a 6.1

is not ready yet>

Joe wrote:>

Hi mic canic,> I think I am getting used to it. I'm giving it a chance, it is either> getting better or I'm am getting used to it. I am a heavy equipment mechanic> so I understand how it works, but it is weird. Other than that the truck is> very capable, fast and handles well. It will never go off road, so I don't> care about ride height. 50 more horse would be even better, but not needed.>

"mic canic" <dbrider@cac.net> wrote in message> news:42533AD4.E0D1D­ED7@cac.net...> > you noticed the electronic throttle lag> > there is no throttle cables anymore and the lag is the time it takes to> react> > to the foot> > you will also notice now that i told ya, the throttle stays on after> matting it> > and take your foot off the pedal for a split split second> > it's all normal for this to happen even the trucks do this> > the throttle has 2 electric motors that moves the throttle plates> > i have been told there is 50 hose hiding there but a hipo reflash for the> pcm> > is not ready yet> >

Chevy is bringing back the 7 liter (427 CI) in the 2006 Corvette Z06.> It's 7 liter LS7 engine produces 500hp and the vette weighs 3,130 lbs.> The engine is the strongest smallblock in GM history (factory) and> features a titanium valvetrain and drysump lubrication. The car's> mufflers have vacuum operated Pierburg valves that open at about> 3500 RPM to allow exhaust to pour straight through each muffler.> It also has a Hydroformed aluminum chassis and manesium engine> cradle. The engine produces it's 500 hp at 6200 rpm and 475 lb ft> of torque at 4800 rpm. The camshafts .591 inch lift is the highest> of any GM street cam in history.>

Jeff