I feel I must take this opportunity to uphold the L98's reputation as a
tractor motor. My '87 made 300+ ft-lbs from 2000 to 4000 with a peak of
326. I won't mention the fact that the hp number sucked...
John
>From: "Huffman, Justin" <jhuffman@poms.com>
>Reply-To: "Huffman, Justin" <jhuffman@poms.com>
>To: "'autox'" <autox@autox.team.net>
>Subject: RE: Best C4 Vette for Autox?
>Date: Tue, 13 Jun 2000 16:07:56 -0400
>
>Miles Beam wrote:
> > In evaluating considerations for my next autox car, a C4 Vette is
> > rapidly nearing the top of the list. It seems that the logical
> > candidates are:
> >
> > a) 96 LT4 with Z51
> > b) most any year ZR-1
> > c) 91 L98 with Z07
> > (all of the above would have 6 speed transmissions, which is what I'd
> > prefer anyway)
> >
> > or would it be something else entirely?
>
>About two years ago I was wondering the same thing. I believe the ZR1
>would
>be the best with the right driver, but I ended up getting an LT4 mainly due
>to the maintenance & repair costs. I figure if I blow an LT4 engine I'm
>out
>$3k, while the ZR1 would be $10k minimum. The ZR1 has more power, and
>plenty of torque, but the LT4 feels a bit stronger at low revs.
>
>FWIW my LT4 dyno'd 290 lbs-ft at the wheels at 2000 RPM, so low end pull is
>there. Peak was only about 305, but it was around 300 until around 5000
>RPM. Peak HP was 299.2 at the wheels. Best dragstrip time is 12.98 @ 108,
>best MPH is 110. The main advantage of the LT4 over an LT1 is from
>4500-6500 RPM, which isn't always helpful at an autocross but it sure is
>fun
>elsewhere.
>
>The best Vette for SS is the soon to be released Z06. The C5s can get much
>more camber up front, they are lighter than all but the early C4s, and they
>have all the power of the LT4 with more peak torque.
>
>Justin Huffman
>96 LT4 CE
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