----- Original Message -----
Sent: Friday, 12 May 2000 3:44
Subject: Re: L18W enquiries
Thrill Seekers
I have stripped the L18W down to short motor and head and here is what I
have:
Head: A87 peanut chamber 38mm port, 44mm intake 36mm
exhaust. Cast marked #65 and 1029.
Block: 85mm bore
Crank: haven't removed it yet to check if steel or cast (appears steel)
but it has A8740 and 33-0 stamped on it.
The engine sat in a four door 180B at the local wreckers for over 5 years
with a dirty old Nikki 2 barrel on it. The head has corrosion around the
water jackets but is quite repairable. Obviously the whole thing will be
fully rebuilt.
As I stated I plan to bore it to 88mm and use L16rods/Z22S pistons -
Should I bore it to 87mm to allow for a later rebuild just in case?
Brad HALLETT
Ipswich, Qld
----- Original Message -----
Sent: Thursday, May 11, 2000 8:58
PM
Subject: Re: L18W enquiries
Brad,
They go very safely to 3.5" (88.8mm) so you could
easily build yourself a copy of the once popular Nismo 1889 cc screamer with
a V912/A87 38 mm ports and go have lots a fun. It would be nice also if you
got the steel crank, the early HC 9.5:1 SSS W engines had them. The 1889 cc
engine has a CR ~10.5:1 with the stock head thickness of 4.25" so you have
to fiddle with the cam a bit to keep detonation in check (the 72 degree is
good with webers).
enjoy,
Terry
Brad HALLETT wrote:
Thrillseekers, Due to a bizarre twist of fate, a
local auto wrecker has given me a free complete L18W engine from a
610. I have only seen it at night in the car so I have no idea what
head is on it but it is a definite W block. I have never had a W
block before, as I have always been content destroying nomal L18's. I
therefore need to know what cylinder wall thicknessesI am looking at, i.e.
what can I 'safely' bore it to, and what head will probably be on
it. It will be standard as it is on a four door, ll the plates match
the stamps, and carb/exhaust are all standard. How hard are the
bores? Do they withstand outrageous stroke:rod ratios? Is it
better to fit an L20crank or just prep the L18 crank and make it
rev? I could wait until I pick it up and disassemble
it, but where would the fun be in that? ThanksBrad
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