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how feasible is an 8v piston swap?(8.5:1 to 10:1)
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Rob,
use this page for more info:
http://not2fast.wryday.com/vw/stuff/vw_engines.shtml
also dont forget to check through the updates at the bottom, as they =
have some more info which may apply to you.
hth
Al
----- Original Message -----=20
From: Robbie Cotner=20
To: scirocco-l@scirocco.org=20
Sent: Saturday, December 14, 2002 2:49 AM
Subject: how feasible is an 8v piston swap?(8.5:1 to 10:1)
Hey all,=20
I rebuilt my 1.8 JH 8v engine about 8k ago. Now I wish I would've =
installed some 10:1 pistons. I recently came across a set for $50(is =
that a good price?), and was wondering how feasible it would be to =
install them in my '83 Scirocco. Can I just remove the head and oil =
pan, disconnect the rods, push the old pistons(not oversized) up out the =
block, then put the 10:1 pistons(think they're from a GTI) with new =
rings onto the old rods and reassemble? Would I have to rehone? Should =
I replace the rod bearings and bolts even though they only have 8k? How =
much more HP can I expect by going to 10:1? Should I use the 10:1 wrist =
pins or the current ones? Is this a very common mod?(that's usually a =
fair indicator of if it's worth it or not). Wow that was a lot of =
questions! thanks in advance, every little bit of info/opinions helps!- =
Rob =20
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<DIV><FONT face=3DArial size=3D2>Rob,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>use this page for more =
info:</FONT></DIV>
<DIV><FONT face=3DArial size=3D2><A=20
href=3D"http://not2fast.wryday.com/vw/stuff/vw_engines.shtml";>http://not2=
fast.wryday.com/vw/stuff/vw_engines.shtml</A></FONT></DIV>
<DIV><FONT face=3DArial size=3D2>also dont forget to check through the =
updates at=20
the bottom, as they have some more info which may apply to =
you.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>hth</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Al</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<BLOCKQUOTE=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV=20
style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
<A title=3Drobw_z@yahoo.com href=3D"mailto:robw_z@yahoo.com";>Robbie =
Cotner</A>=20
</DIV>
<DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
title=3Dscirocco-l@scirocco.org=20
href=3D"mailto:scirocco-l@scirocco.org";>scirocco-l@scirocco.org</A> =
</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Saturday, December 14, =
2002 2:49=20
AM</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Subject:</B> how feasible is an 8v =
piston=20
swap?(8.5:1 to 10:1)</DIV>
<DIV><BR></DIV>
<P>Hey all,=20
<P>I rebuilt my 1.8 JH 8v engine about 8k ago. Now I wish I =
would've=20
installed some 10:1 pistons. I recently came across a set for =
$50(is=20
that a good price?), and was wondering how feasible it would be to =
install=20
them in my '83 Scirocco. Can I just remove the head and oil pan, =
disconnect the rods, push the old pistons(not oversized) up out the=20
block, then put the 10:1 pistons(think they're from a GTI) with =
new rings=20
onto the old rods and reassemble? Would I have to rehone? =
Should I=20
replace the rod bearings and bolts even though they only have 8k? =
How=20
much more HP can I expect by going to 10:1? Should I use =
the 10:1=20
wrist pins or the current ones? Is this a very common =
mod?(that's=20
usually a fair indicator of if it's worth it or not). Wow that=20
was a lot of questions! thanks in advance, every little bit =
of=20
info/opinions helps!-=20
<P>Rob </P>
<P><BR>
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Do you Yahoo!?<BR><A=20
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