> Hey,
> i was chatting ot a guy last night and he is a bit of a wiz on the l series
> motors, used to rally a 1600. He told me that the 180b sss head has bigger
> values or something?, is this write anbd would it have a desent inprovement
> on the standard 1800 i have on my l20 now?. Also he told me the webers have
> no bottom end and if i use good su's they will be better?. I would like to
> talk to some people that have done up l series motor and know all the
> tricks. The guy i was talking to got 240 hp out of a L18, is this good?
>
Gday David,
Sounds a bit funny to me, I think it would be very, very difficult (and very
expensive) to get 240hp out on an L18, I'd be pretty impressed with much
over
150 hp out of a worked L18. I have seen the Lambros exhuast rally 1600,
which
uses an L18 block, but has a billet steel crankshaft that makes it a 2.2
litre,
and it only runs on avgas (very high compression) I think it might get near
200 hp, but its hardly drivable on the street, and at 2.2 litres, isn't
really a L18 anymore..
When tuned, I found my webers (twin 40mm DCOE's) had as much down-low
torque as my SU's , but the webers breathed alot better above 4500rpm.
I'm not sure about the difference standard and SSS L18 heads, I think the
ports are larger, and the cam has long duration on the SSS, but I'm not sure
about the specs.
good luck :)
James.
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