Jeffrey
give this bloke a ring, Dennis Cope, he seems to know what he is doing with
heads as he also has a killer of an L20B running injection.
Phone number is 0417 494 534
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.
>
> ________________________________________________________________________
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>
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