Re: L18 stroker - any good?

Mon, 04 Apr 2005 06:20:00 -0700

The engine was called a U20 and was different to the L series engines. 150hp (at the flywheel) using twin 44 mikuni solexes. OHC and 125mph.
----- Original Message ----- From: "Jeff" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Monday, April 04, 2005 2:40 PM
Subject: RE: L18 stroker - any good?


I have been reading up on nissan engines lately
and it seems that the fairlady (2000 sports) had 150hp 2.0 ltr 4 cylinder in
the late 60'.
interesting that the L20B has less than 100hp.
i wonder what was so special about those engines.

Jeff




-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Ignacio
Sandejas
Sent: Monday, April 04, 2005 1:48 PM
To: [email protected]
Subject: Re: L18 stroker - any good?


My FJ has a gasket around the edge of the cover and a gasket agound the plug
holes. Oh and half moon seals as well. 4 of them..

On 4/4/05 1:27 PM, "Mohit K. Autar" <[EMAIL PROTECTED]> wrote:

Hi guys,

i just wanted to know something about fj20 engine.a friend of mine who was
in
nz last week and he went to a spare parts shop to buy a valve cover gasket
for 
the fj20 eng.

the salesman asked him if it was a one piece or two piece gasket.well he
didnt 
knew anything about it so he didnt buy it.

can anyone explain that to me pliz.as i will be needing a valve cover
gasket 
soon.


Mohit.

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Jeff
Sent: Monday, April 04, 2005 2:51 PM
To: [email protected]
Subject: RE: L18 stroker - any good?


found some interesting dyno results - at wheels i assume.

http://www.datsuns.com/Tech/datsundyno.htm


cheers Jeff.


-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Errol Smith
Sent: Monday, April 04, 2005 12:13 PM
To: [email protected]
Subject: RE: L18 stroker - any good?


The polar moment of inertia is the main problem, also to a lesser extent
is the change in weight distribution.
Single cam VG30's are definitely a better proposition although expensive
to set up.
Cheers
Feral Errol
www.datrats.com.au


-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Jeff
Sent: Monday, April 04, 2005 9:05 AM
To: [email protected]
Subject: RE: L18 stroker - any good?


The concern i guess is the amount of engine in front of the struts
affecting cornering. i put this to the ozdat forum & the concensus was
that i was mad for suggesting it :) i reckon in the end the best 6
cylinder would be the vg30. i think that it is legal in NA form, just
within the weight ratio? has anyone had any experience with the vg30
swap ? from what i have seen it is probably just as expensive as a sr20
etc. i thought the L series 6 transplant might be quite cheap to do, but
have no idea how bad the weight distribution would affect the corner
ability of the vehicle. I found a guy (Eddie) who has seen that orange
stanza, he reckons the radiator is under that aluminiun cover that you
can see in the photo. I still like the idea of the L20 or L28 in the
1600 & i think it would be comparatively cheap to do, ie no special
requirements for fuel injection etc etc, just stick triples on it. the
handling has me concerned though, any ideas ?........anyway enough
rambling for now.

cheers Jeff


-----Original Message-----
Subject: Re: L18 stroker - any good?


An L28 would fit if you moved the radiator to the rear.  But it would be
pretty front heavy.

I know there is a 200B rally car in Vic with an L24 engine in it.  Looks
a pretty good fit.

----- Original Message -----
From: "Jeff" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Friday, April 01, 2005 11:01 AM
Subject: RE: L18 stroker - any good?


OUCH !
does an L20 6 cylinder fit in a 510 without fire wall modifications ?
anybody know ?

ta Jeff.

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Errol Smith
Sent: Friday, April 01, 2005 9:45 AM
To: [email protected]
Subject: RE: L18 stroker - any good?


Jeff,
An S20 would be around $40,000. They come up on Yahoo japan
occasionally for 3.5M Yen.

Cheers
Feral Errol
www.datrats.com.au


-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Jeff
Sent: Friday, April 01, 2005 8:43 AM
To: [email protected]
Subject: RE: L18 stroker - any good?


I suppose that the L20 or S20 6 cylinder engine from early skylines is 

too long to fit in a 510 ? they would make some nice torque for hill
climbs, even in NA form.

Jeff


-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Denzil
Palmer
Sent: Thursday, March 31, 2005 8:32 PM
To: [email protected]
Subject: Re: L18 stroker - any good?


That would give 1,863cc with a 4mm stroke - not bad!

---------- 
From: "Jeff" <[EMAIL PROTECTED]>
To: <[email protected]>
Subject: RE: L18 stroker - any good?
Date: Thu, 31 Mar 2005 10:07 PM


Denzil,

you can also use L18 crank, rods & pistons plus a .080 inch overbore

to
make 
your L16 into an L18

Jeff.

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of rclough
Sent: Saturday, 19 March 2005 5:54 PM
To: [email protected]
Subject: Re: L18 stroker - any good?


Denzil
You can get an L18W block (japanese built) bored out to 89mm and get


close to 2 litres without stroking.

----- Original Message -----
From: "Denzil Palmer" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Thursday, March 31, 2005 8:26 PM
Subject: L18 stroker - any good?



Anyone here built an L18 stroked? Is it worth doing compared to an
L20B?
I 
know that it will be about 50lbs lighter based on engine weights
that
have 
been posted a while ago here. That alone interests me.

It looks like around 1940cc is possible with a +.060 overbore and
5mm


stroke. Would a Japan L18 block take this OK? Would the crank be
welded
up 
for this and reground. What piston specs are required.

I'm not looking to save money going this way, BTW. The concept
interests
me 
as a replacement engine for an L16 for road use without going the
L20B route, that's all.

Looking at some old posts I see Brad Hallett was doing one.

Denzil Palmer



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