Terry,
Yup more poke required, Brad and I went for a run
Sunday and "he whopped my arse" Grrrrrrrrr.
SR20 would be my ultimate choice but $ are also
required and after spending a fortune on 2 resto's
"She who must be obeyed" would ....... well I need not
go into graphic detail here.. chuckle
I am open to suggestions, Trev and yourself have both
spoken about head types so this seems a critical
component. I will add that I was unaware of the
different head types/designs till recently. So any
input is welcome. Trev suggested the L20 with the
supercharger, but I was told the L18 is stronger in
the block ??
The supercharger was going to be a "suck thru" system
(Trev ... the charger is a Toyota item and all is
perfect inside... I was actually thinking of running
about 7psi) as I can't seem to find a decent EFI
system to use and not cost me thousands of dollars. I
did see one for about $1700, but hell with a few more
bucks and and a begging routine with "the minister of
finance" I could be getting the SR20 anyway !!
So L series it is, kinda in keeping with the theme of
the car anyway. So Terry if you over my way, pop in
and we will thrash a few ideas for the trusty ?? L20
!!
I did have the webers on when I first kicked the L18
over, but the rear carby was sus, so I replaced them
with the SU's, I found out shortly after ... like 5
mins that the booster was a dud and that the massive
vac leak was the cause of the weber playing up ..
Dohhh and Grrrrrrr
Cheers
Bruce
--- Terry Rudd <[EMAIL PROTECTED]> wrote:
> Gooday Bruce,
> I didn't think it would be too long before you were
> after more poke.
>
> I'll presume your L20 has an open chambered head
> like a U67, hopefully it's
> not a W58. If it's an open chamber then you are a
> bit limited to what CR you
> can run with Optimax in a Datto without running a
> wildish cam or welding up
> the chambers to improve the poor squish in this
> head, somewhere around the
> 270 degree mark would be a minimum which is still
> fairly streetable in
> Canberra but it will be cranky in the -10 mornings.
> I'd lose the SU's and
> get your webers going (I'll help you with them if
> you require). You might
> consider a 41cc A87 closed chamber head with the
> ports opened up to 38mm and
> have decent inlet valves fitted (say 42mm or you can
> go nuts and fit 242N's,
> ~45mm?). With the A87 head from my experiences over
> the past months with it
> you can run up to 10.5:1 on LRP or PULP and no probs
> at all with Optimax
> (nice fuel, I've nearly got busted badly a few times
> around here on this
> stuff, they've gone camera crazy lately) even with a
> B2 SSS cam and Weber.
>
> If your not doing much with the block then the A87
> head is worth a think
> about as the standard dished pistons would still
> give you a decent CR and
> I'll work it out for you if you wish.
>
> How's the rest of the car settling down, no major
> dramas I hope (did you
> sort out your master cylinder (I haven't spoken to
> you for a while)?
>
> till later
> Terry
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On
> Behalf Of Bruce Ferguson
> Sent: Wednesday, 14 March 2001 10:55
> To: [EMAIL PROTECTED]
> Subject: Streetable L20 ... Was L20B Headwork
>
>
> List,
>
> This one should create some discussion.
>
> I have a L20 in the shed and am thinking of
> rebuilding
> it into a "grunty but very streetable engine" but
> needs to run on Optimax or Premium Unleaded (without
> running on !!!).
>
> What is the go for... cam, bores, pistons, head
> work,
> etc etc. Compression ratio of 9.5.1 - 10:1 is about
> as
> far as I want to go. I know there are differing
> opinions out there but with my requirements as
> stated
> above they should be reasonably close.
>
> I envisage twin carbs (love induction noise), an
> electronic dizzy, elect fuel pump, all of which I
> have
> ready to go.
>
> Thanks in advance
>
> Cheers
>
> Bruce
>
>
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