Greg Solow wrote:
>
> We have never run a damper on the TR-4 engines that we have built. Using
> rev limits of 7200 rpm with a properly prepared bottom end we have no
> problems and do not believe that there is any benefit to be dirived from
> using a vibration damper, or harmonic balancer on that engine..
> The TR-6 is another story. A very close friend of mine worked for Kastner
> during the time he was running the TR-6 on the west coast. He has recounted
> many stories of the flywheels comming off of the engines and of their lack
> of rliability when run at over 6,000 rpm when producing power levels over
> 200 hp. The team went to great lenghts massaging the cranks to get tham to
> stay together. One of the things that helped a lot was a damper. Regards,
> Greg Solow
> -----Original Message-----
> From: BillDentin@aol.com <BillDentin@aol.com>
> To: 'fot@autox.team.net' <fot@autox.team.net>
> Date: Wednesday, January 20, 1999 7:09 AM
> Subject: HARMONIC BALANCER
>
> >Amici:
> >
> >What is the consensus on TR engines and the HARMONIC BALANCER?
> >
> >We have always run a Harmonic Balancer. Lately they have been cracking.
> Two
> >have cracked in the same spot (at the keyway). We suspect we may be using
> the
> >wrong torque spec.
> >
> >Others are using a variation of the MGB narrow V Belt pulley set up, which
> is
> >not harmonic, but has a rubber damper.
> >
> >We suspect this is a near critical consideration on the sixes, and very
> >desireable component on the fours.
> >
> >Any comments?
> >
> >Bill Dentinger
> >
> >
> >
> >What
> >
another help on the 6 cyl and the later 1500 spit engines was fitting
1/2" crank bolts and 1/2" dowels pins. the rules read you could not add
extra bolts but dowel pins were "free". all of our cars from group 44
used this set-up. ted
--
Ted Schumacher
TS Imported Automotive
404 Basinger Rd.
Pandora, Ohio, USA 45877
Ph. 800/543-6648 USA/Canada FAX 419/384-3272 24 hour
Ph. 419/384-3022 - tech./general information
Web page http://www.tsimportedautomotive.com
New-Used-Rebuilt-NOS-Performance British car parts.
200 - 300 parts cars in our British-only salvage yard.
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