Andrew,
Robs car did make 240 hp. Remember this is a 16 valve head,. The gear driven
Group 4 DOHC head uses 2 x 33mm inlets and 2 x 29.5mm exhausts stock.
I believe robs head had ultra light Competition Valves Australia 34mm inlets
and 30mm exhausts.
Cheers
Feral Errol
mailto:[EMAIL PROTECTED]
http://www.datrats.com.au/
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of andrew smith
Sent: Friday, January 19, 2001 1:29 AM
To: [EMAIL PROTECTED]
Subject: Re: SSS head or FIA head??
Errol,
I just dug up an old mag and read an article on Rob Thomson's 1600 L20
powered
race car with the LZ14TC head.They claim it makes over 240hp at 8000rpm.They
say
that it uses 42mm inlet and 32mm exhaust valves, sounds small!The ports must
be
set nice and high.
Andrew Smith
Errol Smith wrote:
> Toby,
> The SOHC head was the FIA Group 2 head. The DOHC head was the modified
LZ14
> head from the Formula Pacific engine (1599cc, 205 bhp @ 10,500rpm)
> Cheers
> Feral Errol
> mailto:[EMAIL PROTECTED]
> http://www.datrats.com.au/
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of tobias walker
> Sent: Thursday, January 18, 2001 8:58 AM
> To: [EMAIL PROTECTED]
> Subject: RE: SSS head or FIA head??
>
> is this the head you are talking about errol ?? just try to find one now
> though ???
> Toby
>
> >From: "Errol Smith" <[EMAIL PROTECTED]>
> >Reply-To: [EMAIL PROTECTED]
> >To: <[EMAIL PROTECTED]>
> >Subject: RE: SSS head or FIA head??
> >Date: Thu, 18 Jan 2001 20:11:56 +1100
> >
> >James,
> >The figures I have are for 2 litre engines running in FIA group 2 (SOHC)
&
> >FIA group 4 (DOHC).
> >Cheers
> >Feral Errol
> >mailto:[EMAIL PROTECTED]
> >http://www.datrats.com.au/
> >
> >-----Original Message-----
> >From: [EMAIL PROTECTED]
> >[mailto:[EMAIL PROTECTED]]On Behalf Of James Cox
> >Sent: Thursday, January 18, 2001 6:39 AM
> >To: [EMAIL PROTECTED]
> >Subject: RE: SSS head or FIA head??
> >
> >
> >Are we talking about the engine being bored out to 2.4L? the figures I
got
> >was 220hp for single and 210hp for double.. maybe it had to do that the
> >twin
> >cam was unleaded? I dunno
> >
> >JC
> >
> > >
> > >James,
> > >Official Nissan figures are:-
> > >(Group2) L20B single cam 195PS/7200rpm & 152ftlb @ 5600rpm
> > >(group 4) L20B DOHC 16v 230PS/7500rpm & 159ft/lb @ 6000rpm
> > >Cheers
> > >Feral Errol
> > >mailto:[EMAIL PROTECTED]
> > >http://www.datrats.com.au/
> > >
> > >-----Original Message-----
> > >From: [EMAIL PROTECTED]
> > >[mailto:[EMAIL PROTECTED]]On Behalf Of James Cox
> > >Sent: Wednesday, January 17, 2001 12:57 AM
> > >To: [EMAIL PROTECTED]
> > >Subject: Re: SSS head or FIA head??
> > >
> > >
> > >I disagree, the rally cars in the early 80's with twin cam actually
> > >produced
> > >about 10hp less than the single cam... don't ask me why but that's
coming
> > >from a former Nissan rally mechanic.
> > >
> > >Cheers
> > >
> > >James Cox
> > >
> > >
> > > >
> > > >sell them both and go for twin cam technologly
> > > >make more power then any 2 valve head
> > > >
> > > >Heath
> > > > ----- Original Message -----
> > > > From: Cameron Stean
> > > > To: [EMAIL PROTECTED]
> > > > Sent: Tuesday, 16 January 2001 8:45
> > > > Subject: SSS head or FIA head??
> > > >
> > > >
> > > >
> > > >
> > > > hello all, I have been planning and unplanning a 2.2L-2.4L
project
> > >for
> > > >a while now and while doing various research in books and on the
> >internet
> > > >it occurred to me that the SSS head is a good choice for street
> > > >performance. As I have both heads and endless amounts of parts for L
> > >series
> > > >engines : ) just keen to see what other people think, FIA head or SSS
> > >head?
> > > >I cant get any straight answers from dad as I allways get the answer
> >"you
> > > >cant afford it" or "your car is quik enought as it is" but there
also
> >is
> > > >the fact that I dont really want to "butcher" the heads in porting
and
> > > >shaving as they are both rare heads. thanks for any advice : )
> > > >
> > > > Cameron
> > > >
> > > >
> > > >
> > >
> >
>
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