[urq] Re: 10V FWIW dept

Mike Fitton rfitton at vt.edu
Fri Jan 6 14:18:41 EST 2006

Yeah...cruise control won't work.  I have a 15ish pound flywheel and a 
K24.  The cruise control can't react quickly enough, and it's always on 
and off boost even on level ground.


Mark J. Besso wrote:

> Dennis,
> I've had two vehicles in the past that I've done this to.  Both had 
> noticeably better throttle response.  The only thing I didn't like, 
> after removing so much weight from the flywheel, was the vehicles 
> became difficult to drive at a constant speed on the highway.  The 
> ability to maintain a constant speed became a never-ending battle to 
> either let off, or get back on the throttle.
> Neither of the vehicles I did this to had cruise control.  I have no 
> idea if removing that much weight from the flywheel would cause the 
> cruise control to 'hunt' the same way if did for me manually.
> Just more "FWIW" for those considering removing 10lbs from their 
> flywheel.
> ~Mark
> ----- Original Message ----- From: <DGraber460 at aol.com>
> Subject: 10V FWIW dept
>> Just a FWIW to all the 10V-ers out there (probably would work just as 
>> well
>> for all other motors depending on the stock weight of the OE flywheel).
>> I just completed the engine swap on my newly acquired URQ (to replace 
>> the
>> wrecked one), and in the process had a local machine/balancing shop 
>> lighten the
>> flywheel. He took off as much material as he thought he dared which 
>> resulted
>> in a 10 pound reduction from 26 down to 16 pound final  weight.
>> The seat of the pants results are in and I feel it was well worth 
>> the  $90
>> cost. Throttle response is much better, and drive-ability improved. 
>> The car
>> overall just feels much quicker. I was originally concerned about 
>> standing start
>> problems (read stalling issues), but it actually seems better if any 
>> change
>> at all.
>> Highly recommended.
>> On a side note, as I recall the "turkey gobble" water pump noise on 
>> the 10
>> valves is a result of the belt being too tight. Can anyone with a 
>> better memory
>> than mine confirm?
>> Dennis
>> Denver
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