Paul, The flywheel comes from a L24 i think. The L6`s have 6 bolt holes the same as the L20b`s. The 6cyl flywheel is lighter than 4cyl. The L16-18 have 5 bolt holes.
Kris. ----- Original Message ----- From: "Paul Stanley" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, November 28, 2002 9:46 AM Subject: Re: L20B Mods > I'm sure the seasoned Datsun guys havent read it yet but my mate had a > concoction something like: > > L18 head > L20B block > Some form of 6cyl crank modified for a 4 (??) > 6cyl flywheel and clutch > > I'm not sure what pistons he had. > > It didnt quite fit in the 180B SSS, the cam cover used to rub on the > bonnet... he ended up cutting the bonnet I think. > > It used to go alright until he discovered CA18DET motors. > > > From: Paul Stanley > [EMAIL PROTECTED] > > > > ----- Original Message ----- > From: maldat <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Thursday, November 28, 2002 7:59 AM > Subject: Re: L20B Mods > > > > > > all, > > > just a few quick questions for those older and wiser than I. > > > > > > 1. Can I put a L18 head onto a L20 bottom end, and will the standard > > bottom > > > end cope with the compression rise ok?? > > > > Yes,but will the rings,if they are old it might not last long till shes a > > smoker > > > > > > 2. roughly what sort of compression ratio will it be with standard > > pistons, > > > etc? > > Yes you will notice more power. > > > > > > 3. will fit the bluebird ignition as I hear it is much better, are there > > any > > > possible problems with this?? > > > > > > 4. the motor will be going into a 180B SSS, will it still fit without > > > modifying the bonnet as I am told the L20 block is taller?? > > It will still clear if you use the old cam cover,or even beter get a > 1967-69 > > 510 one as they are lower again > > > > > > 5. will the standard 3spd auto (not my choice, my gf on ly has an auto > > > license) cope with this power increase?? > > Yeah the ozzie auto lasts about 12 months with a L20B in front(B&W) > > > > > > 6. Lastly, thinking of twin dellortos or similar, just to have twins on > > it, > > > is this a bad choice?? > > dellortos are beter than SSS carbs.(webers are my choice) > > > > > > can anyone think of any probs, or things I might miss?? > > dont forget to change the sump from your old engine,use your old engine > > mounts as well > > > > mal > > > > > > thanks, > > > Pete > > > --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]/ ---------------------------------------------------------------------
