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hi, you will have to bolt every thing up ,
pistons etc.
due to irregularities in casting (if i remember
rightly) i`m pretty sure that mine crank etc... turned around in side block, but
scraped a little.
then look where the conrod touches the
inside of the block and use a carbide cutter.die grinder and grind away
until u get adequate clearance, be careful of the oil gallery
near no 1 ? or 2? piston. if you do grind thru it , a sleeve
can be made and knocked in thru the front.
just for safety, i ground a chamfer on
the bottom of the cylinder bore , when the con rod goes to the side as
crank rotates.
not sure on blck strength though.
if u use a z efi head on l20b block u will have to
dent in the right hand side shocker tower to clear the efi
manifold.
mark k
----- Original Message -----
Sent: Thursday, November 22, 2001 1:22
PM
Subject: Re: Z series questions
what mods are needed to fit the Z24 crank into
either the L20 or Z20 blocks
which block should I use ? is either stronger
than the other
only reason I was going to use the Z20 block is
cause I figured it'd make it easier to use the Z series head etc instead of
having to muck around with the timing belt/case setup
Dave
----- Original Message -----
Sent: Thursday, November 22, 2001 10:11
AM
Subject: RE: Z series questions
1)
Yes, with the same mods needed as per L20b block
2)
Yes (Errol differs but my Z18ET turbo manifold bolted right onto a Z20E head
with no mods)
3)
There are small differences in valve and port size between
models
4)
If you used Z20E rods you'd need custom forged pistons of about 27mm in
compression height and about a 15cc dish to get 9:1. Strength might be
an issue at a smaller height or larger dish than that? Ask the piston
mob. It would probably be easier to use L20b conrods and get them to
copy Z24 pistons but with a bigger dish, in whatever bore diameter you want
to take the block out to.
was just wondering a few things about Z
series motors
#1 will the Z24 crank go in the Z20
block?
#2 will the Z18ET manifolds bolt up to the
Z20 head?
#3 out of the Z18, z20 and z24 heads, is
there any particular one that flows better?
#4 assuming the z24 crank fits, what pistons
and rods would I use? Z20 rods and pistons? not really worried about
final compression ratio cause I will be getting forgies made up so I'll
get them made with a little less compression if need be, just wondering
which pistons I should get them to copy
Thanks guys n girls
Dave
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