Yeah my L20B has flat tops and is decked with a big port A87 head.. I think its U20 for the L20B I just unbolt them and scrap alloy them..same valves as A87 etc.
malcolm ----- Original Message ----- From: "James Cox" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, November 28, 2002 3:18 PM Subject: Re: L20B Mods > I thought the A87 was a factory L20 head anyhow? That's what it said on my > engine. > > As for the L20b being a strong block, I don't doubt that but I don't > consider the crankshaft as part of the block. > > A friend of mine didn't recomend it althought he is running flat top pistons > too. > > James Cox > > > >From: "maldat" <[EMAIL PROTECTED]> > >Reply-To: [EMAIL PROTECTED] > >To: <[EMAIL PROTECTED]> > >Subject: Re: L20B Mods > >Date: Thu, 28 Nov 2002 10:49:26 +1300 > >MIME-Version: 1.0 > >Received: from mc4-f8.law16.hotmail.com ([65.54.237.143]) by > >mc4-s6.law16.hotmail.com with Microsoft SMTPSVC(5.0.2195.5600); Wed, 27 Nov > >2002 13:58:26 -0800 > >Received: from jupiter-mail.linuxengine.net ([65.61.129.231]) by > >mc4-f8.law16.hotmail.com with Microsoft SMTPSVC(5.0.2195.5600); Wed, 27 Nov > >2002 13:58:26 -0800 > >Received: from mars (CPE-144-136-52-226.vic.bigpond.net.au > >[144.136.52.226])by jupiter-mail.linuxengine.net (8.12.5/8.12.5) with ESMTP > >id gARLqtoc017277;Wed, 27 Nov 2002 15:52:56 -0600 > >Message-ID: <006601c2965e$db9bfac0$789560cb@thebeast> > >References: <001001c2961a$570581d0$0100a8c0@ugzine> > >X-Priority: 3 > >X-MSMail-Priority: Normal > >X-Mailer: Microsoft Outlook Express 6.00.2720.3000 > >X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 > >X-Spam-Score: 0 () X-Scanned-By: MIMEDefang 2.24 (www . roaringpenguin . > >com / mimedefang) > >X-Envelope-To: membersozdat > >X-UIDL: S8N!!$+V!!?#&!!ff$#! > >Sender: [EMAIL PROTECTED] > >Return-Path: [EMAIL PROTECTED] > >X-OriginalArrivalTime: 27 Nov 2002 21:58:26.0220 (UTC) > >FILETIME=[1CB13EC0:01C29660] > > > >I ALWAYS RUN A87 SMALL PEANUT HEADS ON L20B ENGINES WITH NO PROBLEMS.(sorry > >about the cap lock). > > > >Bolt it on and go hard. > > > >malcolm > >----- Original Message ----- > >From: "james wade" <[EMAIL PROTECTED]> > >To: <[EMAIL PROTECTED]> > >Sent: Thursday, November 28, 2002 2:38 AM > >Subject: RE: L20B Mods > > > > > > > Isnt a L20 Block very very strong? Like stronger than most bottom > > > blocks? With that said it should take an a87 head (L18?) pretty easy? > > > Any ideas? > > > > > > -----Original Message----- > > > From: [EMAIL PROTECTED] > > > [mailto:[EMAIL PROTECTED]] On Behalf Of James Cox > > > Sent: Wednesday, 27 November 2002 11:39 PM > > > To: [EMAIL PROTECTED] > > > Subject: Re: L20B Mods > > > > > > I'm hardly the most qualified to answer this question, but considering > > > no > > > one else has yet, I'll help with what I can. > > > > > > >1. Can I put a L18 head onto a L20 bottom end, and will the standard > > > bottom > > > >end cope with the compression rise ok?? > > > > > > I would say not, you need a strong bottom end to do that. > > > > > > >3. will fit the bluebird ignition as I hear it is much better, are > > > there > > > >any possible problems with this?? > > > > > > Not that I know of... > > > > > > >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?? > > > > > > I think it would, I've seen a L20B motor in a 120Y and it didn't need > > > bonnet > > > mods, plus the height difference should be minimal. > > > > > > > >5. will the standard 3spd auto (not my choice, my gf on ly has an auto > > > >license) cope with this power increase?? > > > > > > It should handle it ok I think, a stall converter might be an idea to > > > reduce > > > power loss though. I wouldn't try it with serious power though. > > > > > > > >6. Lastly, thinking of twin dellortos or similar, just to have twins on > > > it, > > > >is this a bad choice?? > > > > > > If you want twins, I recomend you get some SUs, they alone give you more > > > > > > tourqe and more economical than others. > > > > > > > >can anyone think of any probs, or things I might miss?? > > > > > > Get a set of extractors and a sports exhaust, I recomend 2.25in, that is > > > the > > > cheapest hp increase you will ever get, plus it gives better fuel > > > economy, > > > actually there's nothing bad to be said about aftermarket extractors. > > > > > > I sure others will have somthing to add, > > > > > > Hoped that helped some, > > > > > > James Cox > > > > > > > > > _________________________________________________________________ > > > Protect your PC - get McAfee.com VirusScan Online > > > http://clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3963 > > > > > > > > > > > > > > > > > _________________________________________________________________ > Add photos to your e-mail with MSN 8. 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