RE: [T3] Say that again?

[James MacNaughton <JMac@uglyduckling.com>]

I'd been wondering about that, as I simply can't get Deathrich to stop
pinging once she's been out on the road for 40 or 50 minutes or so (the AZ
desert goes on and on).  Hmmm.  I'm slapping in a new motor in April, I'll
look then.

-----Original Message-----
From: Keith Park [mailto:TopNotchResto@worldnet.att.net]
Sent: Monday, January 18, 1999 11:34 AM
To: type3@vwtype3.org
Subject: Re: [T3] Say that again?


Oh yes theT3  do too!! most dont anymore as nearly all engines have had a
valve job by now and the heads machined. without this the CR will be too
high (MUCH too high) and they will run hot and detonate. Ive been through
this with the aftermarket heads and it is why I reccomend ONLY new heads at
rebuild.
In fact.. the 72 motors came with dished pistons in a last ditch attempt to
keep the CR down and running cooler with all the smog crap on them.

Keith


---------%$<: Todd Daley <todd@datacom.ca>
> To: type3@vwtype3.org
> Subject: Re: [T3] Say that again?
> Date: Sunday, January 17, 1999 8:33 PM
> 
> What Jim means by this is that if you look at a cylinder head off a type
1,
> in the combustion chamber, the sealing surface ( where the cylinder sits
in
> the head) the type 1 head has a raised surface which increases the size
of
> the combustion chamber volume, type 3 FI heads do not have this raised
> area.......
> 
> scott a keck wrote:
> 
> > >  They may also have a step in the
> > >combustion chamber that lowers the compression ratio; >this could be
> > >machined away if you don't want it.
> >
> > I think I need a little more detail on this...
> >
> > Scott
> >
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