flywheels on 86-up SBC

[Kevin Crain]

When I built my '91 305 SBC I bought a Pioneer flexplate from Summit
Racing for ~$60; they had several manufacturers to pick from and pricing
was nice.  The Pioneer also has the extra weight welded on.

-Kevin

On Mon, 6 Oct 1997, sfg wrote:

> John S. Gwynne wrote:
> > 
> > I removed the flexplate on my 88 5.0L TPI SBC to install a flywheel
> > and discovered that it had and extra weight to "unbalance" it. This is the
> > first SBC that I have with the newer one piece rear main seal. Is it true
> > that I need an externally balanced flywheel? Would it be different from
> > a 400 small block?
> >                                        John S Gwynne
> >                                           Gwynne.1 at osu.edu
> > _______________________________________________________________________________
> >                T h e   O h i o - S t a t e   U n i v e r s i t y
> >     ElectroScience Laboratory, 1320 Kinnear Road, Columbus, Ohio 43212, USA
> >                 Telephone: (614) 292-7981 * Fax: (614) 292-7297
> > -------------------------------------------------------------------------------
> John, I had the same flywheel experience w/my '87 TBI 350 Blazer. I
> removed the 700R4 
> in favor of the NVG4500HD (MT8), and purchased a new flywheel from GM
> dealer. I
> couldn't find a used one, and couldn't find a good answer to the
> usability of a 400
> flywheel. This engine is externally balanced. The GM flywheel I am using
> is GM P/N 10105832, $192 full retail, $144 net.    steve
>