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cross-flow vs g60




The JH and HT/RD heads are 40mm intake and 33mm exhaust.  Both are 8mm
valve stems, the solid lifter valves being longer than the hydro version.  

I believe the ABA uses the same 40mm intake/33mm exhaust with 7mm stems,
but don't quote me on it.

Drew


On Tue, 4 Nov 2003, Patrick Bureau wrote:

> how about valve sizes?  I am considering this ITVB setup and I can use a JH
> or a xflow head (depending if I want the flutes to be out back or in
> front...but I have been trying to get intake/exhaust valve sizes, surely
> someone has those numbers somewhere no ?
> 
> ATS - Patrick Bureau
> 
> 
> ->-----Original Message-----
> ->From: scirocco-l-bounces@scirocco.org
> ->[mailto:scirocco-l-bounces@scirocco.org]On Behalf Of Drew MacPherson
> ->Sent: Tuesday, November 04, 2003 6:27 AM
> ->To: Dan Smith
> ->Cc: Scirocco ML
> ->Subject: Re: cross-flow vs g60
> ->
> ->
> ->On Mon, 3 Nov 2003, Dan Smith wrote:
> ->
> ->> can be had for next to nothing. RD heads are found on late 80s GTIs and
> ->> I think Jetta GLs. They're hydro, slightly harder to come by and it's a
> ->
> ->HT = 85 GTI/GLI, RD = 86,87 GTI/GLI (actually, Jettas came with 'em part
> ->way through 88 as well)
> ->
> ->> good idea to run a knock sensor with it as compression is slightly
> ->> higher. I'm sure others with more experience in this area will chime in
> ->> as well.
> ->
> ->AFAIK the combustion chamber size is the same between the JH head and the
> ->HT/RD heads.  The difference in the compression ratio is in the pistons.
> ->
> ->>
> ->> Dan
> ->
> ->--
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> ->|    http://scirocco.cs.uoguelph.ca/gtd       |
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> ->
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> 

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/=============================================\
|  84 Wolfsburg Edition TurboDiesel Scirocco  |
|    http://scirocco.cs.uoguelph.ca/gtd       |
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