Leighton,
Yes you can but you need a Z20 timing cover because the NAPS/Z cylinder head
has a different shaped seal around the timing cover to head. The 2 litre Z
and L blocks are pretty much identical so the timing cover is a bolt on. To
seal the combustion chambers use a L series head gasket but make sure it has
provision for the teardrop shaped water galleys (I have an old Proseal
gasket with the right shape if that helps) but because the timing cover to
head seal is different, you need to slice the L gasket off at the timing
cover and use the front section from a Z gasket.
Daniel Prior ran twin 45mm Webers on his car and got 96kw at the wheels. I
think with 48's the top end improved a bit and he got a few more horses out
of it.
Ben Pila (http://home.att.net/~jason510/ben.htm) got 100kw and 200Nm at the
wheels, which equates to about 128kw and 256Nm at the flywheel.
- Tom
----- Original Message -----
From: "Richard Frank" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Saturday, April 21, 2001 6:34 PM
Subject: Re: 2.4L stroked engines
> just for my own information could you put the Z head on the bored l20
block
>
> and whenthe 2.4 is set up what is best to use 40mm webbers or 45mm
>
>
> what kind of horsses can be acchieved out of this combo???
>
>
>
> thanx heaps
>
> leighton
>
>
> >From: "Tom Richardson" <[EMAIL PROTECTED]>
> >Reply-To: [EMAIL PROTECTED]
> >To: <[EMAIL PROTECTED]>
> >Subject: Re: 2.4L stroked engines
> >Date: Sat, 21 Apr 2001 17:36:56 +0930
> >
> >Daniel,
> >
> >Becoming a torque junkie huh? The fastest (and probably best) way to a
> >LZ24 would be to slap the whole Z24 from a Navara into your car. The
block
> >is 20mm taller than an L20b which means you will have clearance issues,
so
> >you will probably need to make custom engine mounts and modify the sump.
> >The cylinder head is the same as your Z18 head so either put the whole
Z18
> >head on or just the inlet and exhaust manifolds on as you see fit.
> >Download the Microsoft Excel engine calculator from my site and check the
> >specs on Jason Gray's homepage out, you'll need to make sure you have a
> >turbo-friendly compression ratio. As for the rest the same theorey
applies
> >from Z18's. Note that you'll get tons of torque and quite a lot of power
> >but much lower in the rev range. I don't know about Queensland but in
NSW
> >I believe capacity limits are: 2380cc for turbo/super or 2856 n/a so the
> >2389cc Z24 might be pushing it!
> >
> >Advantages:
> >Retain long Z24 rods for better revability
> >Much easier than clearancing a Z24 crank for use in an L20b block since
you
> >would want to use a NAPS/Z head anyway (no need to hunt down Z20 timing
> >cover)
> >
> >Disadvantages:
> >M3 (Z24) block rumoured to be slightly weaker than the M1 (L16, L18) and
M2
> >(L20b, Z20, Z22) blocks
> >Minor work to engine mounts and sump to fit the thing into a 510
> >Slightly heavier again than the original block
> >
> >Stock carburetted Z24 ex 720 utility:
> >77kw @ 4800 rpm
> >181Nm @ 2800 rpm
> >
> >Hope this helps.
> >
> >- Tom
> >
> >PS Errol, I want a commision if Daniel buys your Z24 :)
> >
> > ----- Original Message -----
> > From: Daniel Kroehn
> > To: [EMAIL PROTECTED]
> > Sent: Saturday, April 21, 2001 3:50 PM
> > Subject: 2.4L stroked engines
> >
> >
> > List,
> >
> > I just finished watching the video serious fours & rotories and
> >performance cars no.1 which had three 1600's in it. One had a slightly
> >worked Z-18et, one a standard FJ20det and the other a 2.4L stroked L20B
> >with twin webers. I was interested to see that the 2.4L NA engine
> >dominated over the other 2 turboed cars. What I want to know is what
parts
> >to use(including anything off my Z-18et engine) to build a turboed 2.4L,
> >including aftermarket injection. I reckon that it would be unstoppable
on
> >the road. Thoughts/suggestions?
> >
> > Daniel Kroehn
> > Recommending Datrats, supplying quality Datsun performance parts
> > www.Datrats.com.au
> >
> >
> >
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