Jeff Oil pumps in ALL L series engines are the same BUT FOR THE L28Turbo which
is the only one with a higher output from 280ZXturbo
With regard your 80 thou bore of a L20b block make sure the block is a Jap one
not an Aussie one look beneath your oil pressure switch and if JAPAN is cast in
the block your ok if not you better keep looking Why not try a Z20 same block
different head and I 've seen some good results from the crossflow head
Peter
Jeffrey Thomas wrote:
> G�day all,
>
> Well after going to Winton Raceway on the weekend I�ve decided I need more
> power in my Stanza. Therefore, project �LOTS OF POWER� has been commenced.
> The engine is going to be made from one of my L20B block�s (sorry no FJ20�s
> in my car!!) fully balanced, bored out 80 thou, flat top pistons, etc, etc,
> etc. My query is to do with the cylinder head � After reading a few
> messages about the Z20 head swap I�m interested in the power differences.
> I�m NOT going to be running a turbo so I�m looking for a head that will give
> a high compression ratio with excellent flow characteristics. Which
> cylinder head should I go for ???? Ie, A peanut shaped head fully ported or
> a Z20 X-flow head fully ported ?? I know that kinda sounds silly but I�ve
> herd some bad reports on the Z20 head flow characteristics....
>
> Another question, if I did go for the Z20 head what type of cams /non turbo
> induction systems are available ???
>
> Yet another question ! My current engine (L20B) which isn�t to shabby has 30
> psi oil pressure at idle 70 psi at approx 2200 rpm (done by using spacers
> behind the oil pump spring). Is the idle oil pressure low ?? And if so,
> could the Z series oil pump be used in an L series engine ??? (Might be a
> stupid question as I have never seen a Z20 or Z18 engine...)
>
> Any info would be great.
>
> Jeff
>
> P.S For the people that have been e-mailing me about it - I�ve handed in all
> my assignments so that article on my �Home made EFI� project is back on top
> of my list.
>
> ________________________________________________________________________
> Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com
>
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