The inlet valve seats on most a87 heads ive seen have the ally bronze seats.They should be changed to steel if using unleaded.
Ben wrote: > the v91 head off my s2 l20b has steel valve inserts, the a87 that i bought > recently has brass?? or whateva that orangey looking metal is > > ----- Original Message ----- > From: "Terry Rudd" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Monday, March 25, 2002 9:28 PM > Subject: Re: Unleaded fuel in L20B > > > > > Most Nissan heads made in Japan since 1973 will take unleaded fuel as > they've > > got steel valve seats. ie W53/U67/A87 > > > > The possible exception is the Bluey head that was made in Aus (S2?) > > > > regards > > Terry > > > > > I have an L16 with a W53 head, should i be able to run unleaded or not? > Cheers, > > > Mark. > > > > > > --- "Ben" <[EMAIL PROTECTED]> wrote: > > > >the casting number is located just near plug number 1, i run a l20b > with a > > > >u67 head on PULP, runs fine > > > > > > > >----- Original Message ----- > > > >From: "Lachlan Hughes" <[EMAIL PROTECTED]> > > > >To: <[EMAIL PROTECTED]> > > > >Sent: Monday, March 25, 2002 3:27 AM > > > >Subject: Unleaded fuel in L20B > > > > > > > > > > > >> Hi List, > > > >> Was wondering what I have to look for to ascertain if my 1600 can run > on > > > >> unleaded or optimax etc.. It's an L20B with a U67 head (i think).. i > have > > > >> read the archives and some have noted that the Series 2 Bluebird > motor or > > > >> some high compression L20 cannot run unleaded. Is there anyway of > > > >> identifying what head I have and also what heads can or cannot run > > > >unleaded > > > >> or optimax etc. so I can work out if it is ok to use in mine. I have > > > >become > > > >> a bit confused after reading all the archives. > > > >> Any advice appreciated as I am about to take my car for a RWC and > this > > > >> requires me to put some fuel in it to get to the mechanice. > > > >> Lochie > > > >> > > > >> > > > >> _________________________________________________________________ > > > >> Send and receive Hotmail on your mobile device: http://mobile.msn.com > > > >> > > > > > > > > > > _____________________________________________________________ > > > Get Your free Ozdat Email Account > > > ---> http://www.ozdat.com > > > > > > _____________________________________________________________ > > > Run a small business? Then you need professional email like > [EMAIL PROTECTED] from Everyone.net http://www.everyone.net?tag > > > > > > > > > > > --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]/ ---------------------------------------------------------------------
