I'm sure the seasoned Datsun guys havent read it yet but my mate had a
concoction something like:
L18 head
L20B block
Some form of 6cyl crank modified for a 4 (??)
6cyl flywheel and clutch
I'm not sure what pistons he had.
It didnt quite fit in the 180B SSS, the cam cover used to rub on the
bonnet... he ended up cutting the bonnet I think.
It used to go alright until he discovered CA18DET motors.
From: Paul Stanley
[EMAIL PROTECTED]
----- Original Message -----
From: maldat <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, November 28, 2002 7:59 AM
Subject: Re: L20B Mods
>
> all,
> > just a few quick questions for those older and wiser than I.
> >
> > 1. Can I put a L18 head onto a L20 bottom end, and will the standard
> bottom
> > end cope with the compression rise ok??
>
> Yes,but will the rings,if they are old it might not last long till shes a
> smoker
> >
> > 2. roughly what sort of compression ratio will it be with standard
> pistons,
> > etc?
> Yes you will notice more power.
> >
> > 3. will fit the bluebird ignition as I hear it is much better, are there
> any
> > possible problems with this??
> >
> > 4. the motor will be going into a 180B SSS, will it still fit without
> > modifying the bonnet as I am told the L20 block is taller??
> It will still clear if you use the old cam cover,or even beter get a
1967-69
> 510 one as they are lower again
> >
> > 5. will the standard 3spd auto (not my choice, my gf on ly has an auto
> > license) cope with this power increase??
> Yeah the ozzie auto lasts about 12 months with a L20B in front(B&W)
> >
> > 6. Lastly, thinking of twin dellortos or similar, just to have twins on
> it,
> > is this a bad choice??
> dellortos are beter than SSS carbs.(webers are my choice)
> >
> > can anyone think of any probs, or things I might miss??
> dont forget to change the sump from your old engine,use your old engine
> mounts as well
>
> mal
> >
> > thanks,
> > Pete
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