hi, yes the counter weights need to be ground down. the guy at adelaide , ground the counter weights down to a l20b size.. to get this done and all journals ground and ballanced cost me $320 . no there is no problem with the piston skirts hitting the counter weight , when crank is modified as above. due to the extra throw , you wuill have to use z-20 pistons ( mine bore is 1mm oversize) and l20 b rods. the z-20 pistons come in a dished and flat top. i got mine done by "crankshaft grinding specialist" in adelaide ,4-83 highbury st, prospect south aust. 5082. the number is 3447467. i think there should be a `8` in front of the 3. the block is ground on the inside only to clear the extra throw of the crank with the conrod. you have to be carefull when grinding the oil passage alond number 1 and 2 cylinders ( i`m pretty sure its no 2 as well, you can clearly see the oil passage) i also ground the bottom of the cyl bores to make sure there was enough clearance for the rod, but you most probally dont need to do this. you can email me privately if you want : [EMAIL PROTECTED]
mark k ----- Original Message ----- From: "David Thompson" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, December 25, 2001 7:03 PM Subject: 2.4 crank grinding help > List, > > Could someone (Mark K.) pleas tell me if the lz24 crank needs to have its > counterweights ground to fit in the l20b block, or if the block is ground to > fit the crank. > > Is there a problem with the piston skirts hitting the crank counterweight? > > What rod/piston combo fits - I have a slieved 87.5mm bore, so I may be able > to get 89mm to make the whole 2.4...... > > Cheers, > Thommo > > _________________________________________________________________ > Join the world's largest e-mail service with MSN Hotmail. > http://www.hotmail.com > > --membersozdat------------------------------------------------------- OZDAT Mailing List Please Note:- Send (un)subscribe requests to [EMAIL PROTECTED] Send submissions to [EMAIL PROTECTED] No unauthorised redistribution of this email http://www.ozdat.com/ozdatonline/index.htm http://www.ozdat.com/ozdatonline/listindex.html http://www.mail-archive.com/[email protected]/ ---------------------------------------------------------------------
