420 SBC project..was Re: selection of TBI components for 383 Chevy

[Shannen Durphey]

> Curtis L. Martin wrote:
>
> > I'm shooting for a finished CR in the 9.8 range.  The block is being honed
> > (in fact it should be done by now) so I'm waiting to see what the final
> > deck height is and compute the actual CR.  If it's over 10:1, then I'll
> > have to re-think a bit, take material out of the head chambers and use
> > thicker head gaskets to lower the CR.
> >

Fel-Pro sells "head saver shims", copper stampings that are .020" &designed to be
sandwiched between gaskets.

>
>
>
> >
> >
> >
> >
> >   Final gear ratio is 3.42 with Auburn LSD in a 10-bolt axle.  The car is a
> 3400lb '87
> > Camaro.

How 'bout Dana 44 replacement option?

> >
> > I have no idea right now on the selection of a knock sensor.  I guess all I
> > can do is use the GM 350 ESK module and hope for the best. (Suggestions
> > welcomed)
> >

FYI: ESC module retards ignition in 4deg. increments then advances 1 deg at at
time until it can retadr it again.

> > Ignition with be stock HEI.

Accell Supercoil on large cap HEI welds advance mechanism solid.  Details at
4500+ rpm :-(

> >
> > The car is also fitted with a CompuCar nitrous-oxide (wet manifold) system.
> >
> > That's about the long and short of it.
> >
> > Curt Martin (cmartin at america.com)
> > Ormond Beach, FL
> > http://www.america.com/~cmartin
>