At 4:19 PM -0500 1/28/00, Andrew Traenkner wrote:
My '88 hits the rev limiter at 7300RPM(recently checked). That means it
would be spinning 3650RPM at 62MPH. I could be wrong, but me thinks that's
a little high.
That would be too high. I believe the 124mph is based on
6800RPM, with the 0.91 5th and 3.67 final drive. That would give an
engine speed of 3290 rpm at 60 mph, which sounds about right. If you
see much less than 3000RPM @ 60mph with stock tires and this gearing,
then your tach or speedo (or both) are way off. BTW, I believe the
6800RPM is the maximum recommended _continuous_ engine speed for the
1.8l (and the redline for the 2.0l) 16V motors, whereas 7200 (or is
it 7400?) is the maximum recommended _instantateous_ engine speed.
Yes, the rev limiter on a 1.8l usually doesn't usually kick in until
over 7K, and it's fine to rev it up that high during acceleration,
but I personally would not punish my car by top speed testing over
6800RPM. So, the car is limited to a top speed of124mph following the
_factory_ specs and recommended engine speed and is, in that respect,
rev limited. I guess my point is that even if the car didn't have a
rev limiter, it would still be 'rev limited' to the speed at factory
redline, even if it could still accelerate. YMMV, of course, if
you're willing to push it past that point!
Lee
W. Lee Hendrick
[email protected]
http://soliton.ucsd.edu/~hendrick/
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