hi, i thought that all alloy heads have hardened valve seats with which u can use unleaded.? cause the alloy is way to soft for a valve seat.
i know that the holden and hemi six heads have the seats cut straight into the head- no inserts at all.. mark k ----- Original Message ----- From: "Ben C" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, October 26, 2002 4:36 PM Subject: Re: cylinder head info. > just push one of the valves down.....steel valve seats are steel looking, brass (or whateva eva it is) is orangey looking > > dont assume, as the closed (peanut) a87 i have, has brass valve seat eg. no good for long use on ULP > > -----Original Message----- > From: "Chris King" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Date: Sat, 26 Oct 2002 13:09:45 +1000 > Subject: cylinder head info. > > Im rebuilding a L18 for a blow through turbo and want to make sure ive got > the low comp (8.5:1) head. > > What ive got is an A87 made in japan head. The head is off so i can easily > check anything. I believe its the A87 that can be either low comp or the > peanut high comp type. > > also how do i check if this head has steel valve seats, as i want to run > premium unleaded, or can i just assume it does ar its a japan made head? > > Thanks guys, > > Chris King. > > > > > > --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/membersozdat@;datascribe.com.au/ ---------------------------------------------------------------------
