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Buying a dismantled block and head - what contents are critical?

Subject: Buying a dismantled block and head - what contents are critical?
From: jtoomasson at yahoo.com (Jeff Toomasson)
Date: Wed Oct 15 11:44:08 2003
References: <00b801c39334$7e26cb80$5a554f0a@TVSIT02><106623498501@op1.xlccorp.com><00ca01c39339$6da03260$5a554f0a@TVSIT02><002201c39343$b8d95a90$a809b9d0@4WAVEINC><00e001c39345$7875fa10$5a554f0a@TVSIT02><002c01c3934b$9dcec570$a809b9d0@4WAVEINC>

The CC calculator on the .org says that combo gives a displacement of 1847.
But it probably isn't  that simple. There must be some exponential
relationship I wasn't accounting for...

Well - that rules out that option!  ;)
----- Original Message ----- 
From: "Dan Bubb" <jdbubb@ix.netcom.com>
To: "Jeff Toomasson" <jtoomasson@yahoo.com>
Cc: <scirocco-l@scirocco.org>
Sent: Wednesday, October 15, 2003 11:38 AM
Subject: Re: Buying a dismantled block and head - what contents are
critical?


> Using 3A pistons and rods with a JH crank will reduce your displacment to
> 1790cc!!! You don't want to do that ;^)
> But I guess you already knew that and were going to make up the difference
> with boost. OH yeah!
> If my calculations are correct putting the JH crank in the 3A short block
> will net you a CR of 7.2:1. About right if you're the ex-Drake salesman,
but
> probably too low for modern engine control. Plus, you loose the all
> important squish area.
> Stacking head gaskets will also loose the squish area even though lots of
> people do it and still get good results. It's just not optimum.
> I've heard you can mill out the bowl in an ABA piston to lower the CR to
> 9.2. Don't know if that applies to 3A pistons or not, but you want to keep
> the perimeter of the piston crown at the stock height to promote
turbulence
> in the combustion chamber.
> Anyway, that's my plan.
> Dan
>
>
>
> ----- Original Message -----
> From: "Jeff Toomasson" <jtoomasson@yahoo.com>
> To: "Dan Bubb" <jdbubb@ix.netcom.com>
> Cc: <scirocco-l@scirocco.org>
> Sent: Wednesday, October 15, 2003 1:55 PM
> Subject: Re: Buying a dismantled block and head - what contents are
> critical?
>
>
> > Ahhh, my friend - the distributor will not be necessary (other than
maybe
> > recouping some costs).
> >
> > This motor is destined for SDS territory and the land of Coil Packs!  :)
> >
> > But the real question is whether to mill the pistons or use a JH crank
to
> > reduce compression (or, I guess, cheating and stacking headgaskets!)
> >
> > Thanks for the info, Dan -
> >
> > Jeff
> > ----- Original Message -----
> > From: "Dan Bubb" <jdbubb@ix.netcom.com>
> > To: "Jeff Toomasson" <jtoomasson@yahoo.com>; <mr.utility@highstream.net>
> > Cc: <scirocco-l@scirocco.org>
> > Sent: Wednesday, October 15, 2003 10:42 AM
> > Subject: Re: Buying a dismantled block and head - what contents are
> > critical?
> >
> >
> > > TT sells bigger valves now but they used to make a point of the
> > reliability
> > > of the stock valves. My TT head was ported back in 98 and has stock
> valves
> > > although they are backcut. They didn't offer a bigger valve option
back
> > > then.
> > > CIS hydro head internals should fit as far as I can tell from ETKA.
> > > Make sure you get the 3A distributor for when you add a KS ignition
and
> > get
> > > all the crap on the front of the block (not water pump and oil filter
> > mount,
> > > but the other stuff) , the ventilation holes are different.
> > >
> > > ----- Original Message -----
> > > From: "Jeff Toomasson" <jtoomasson@yahoo.com>
> > > To: <mr.utility@highstream.net>
> > > Cc: <scirocco-l@scirocco.org>
> > > Sent: Wednesday, October 15, 2003 12:28 PM
> > > Subject: Re: Buying a dismantled block and head - what contents are
> > > critical?
> > >
> > >
> > > > Sorry - but I'm kinda missing your point.  Are you referring to
> whether
> > TT
> > > > offered a bigger valve combo?  Also, what are these problems you're
> > > > referring to?  I thought Colin's heads were among the best offered
by
> > > anyone
> > > > other than Oettinger or maybe Drake?
> > > >
> > > > thx, JT
> > > > ----- Original Message -----
> > > > From: <mr.utility@highstream.net>
> > > > To: "Jeff Toomasson" <jtoomasson@yahoo.com>
> > > > Cc: <scirocco-l@scirocco.org>
> > > > Sent: Wednesday, October 15, 2003 9:27 AM
> > > > Subject: Re: Buying a dismantled block and head - what contents are
> > > > critical?
> > > >
> > > >
> > > > > I am almost positive that they used to, but I do not know about
> now...
> > > > They
> > > > > were much more in the market for tuners some years ago, but I
think
> > they
> > > > have
> > > > > had some trouble since, and they do not sell all of the 'go-fast
> > > > internals'
> > > > > they used to...  The 'trouble' appears to have been too many
idiots
> > who
> > > > > thought they knew what they were doing, and when they discovered
> they
> > > did
> > > > not,
> > > > > TT got the blame...
> > > > >
> > > > > HTH
> > > > >
> > > > > David      fahrvegnugen
> > > > >
> > > > >
> > > > >
> > > > > Quoting Jeff Toomasson <jtoomasson@yahoo.com>:
> > > > >
> > > > > > Tomorrow, I'm most likely going to be picking up a 3A shortie
and
> TT
> > > > head
> > > > > > that've been torn apart.
> > > > > >
> > > > > > Other than the obvious,  block, pistons, wrist pins, crank,
> I-shaft,
> > > > rods, is
> > > > > > there anything the block must absolutely must come with?  Should
I
> > > bring
> > > > a
> > > > > > micrometer to measure the pistons? Or can I just insert them
> through
> > > the
> > > > bore
> > > > > > to verify fit?
> > > > > >
> > > > > > As for the head, it's supposedly a TT ported hydro 8v head from
a
> > Digi
> > > > II
> > > > > > setup, but the running gear is missing. I assume I can use the
> gear
> > > from
> > > > my
> > > > > > CIS hydro head?  IIRC, TT did _not_ use oversize valves like
> > Eurospec
> > > > and
> > > > > > Oettinger - just the typical 40/36 GTi combo. Is that true?
> > > > > >
> > > > > > Thanks,
> > > > > >
> > > > > > Jeff
> > > > > > _______________________________________________
> > > > > > Scirocco-l mailing list
> > > > > > Scirocco-l@scirocco.org
> > > > > > http://neubayern.net/mailman/listinfo/scirocco-l
> > > > > >
> > > > >
> > > > >
> > > >
> > > >
> > > > _______________________________________________
> > > > Scirocco-l mailing list
> > > > Scirocco-l@scirocco.org
> > > > http://neubayern.net/mailman/listinfo/scirocco-l
> > >
> > >
> > >
> > > _______________________________________________
> > > Scirocco-l mailing list
> > > Scirocco-l@scirocco.org
> > > http://neubayern.net/mailman/listinfo/scirocco-l
> >
>

Follow-Ups:
- Buying a dismantled block and head - what contents are critical?
  - From: jdbubb at ix.netcom.com (Dan Bubb)

References:
- Buying a dismantled block and head - what contents are critical?
  - From: jtoomasson at yahoo.com (Jeff Toomasson)
- Buying a dismantled block and head - what contents are critical?
  - From: mr.utility at highstream.net (mr.utility@highstream.net)
- Buying a dismantled block and head - what contents are critical?
  - From: jtoomasson at yahoo.com (Jeff Toomasson)
- Buying a dismantled block and head - what contents are critical?
  - From: jdbubb at ix.netcom.com (Dan Bubb)
- Buying a dismantled block and head - what contents are critical?
  - From: jtoomasson at yahoo.com (Jeff Toomasson)
- Buying a dismantled block and head - what contents are critical?
  - From: jdbubb at ix.netcom.com (Dan Bubb)

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