Lobes should be pointing downwards for TDC on the firing stroke. If they are pointing upwards you have valves open, therefore its not on the firing stroke. . ----- Original Message ----- From: "David Andrews" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, 30 March 2002 11:17 AM Subject: Re: L24 troubles. Please help
> Ahhh the joys. > > Steve, Yes #1 was at TDC with the lobes both pointing upwards (ie > compression) and the distributer was pointed to spark number 1 so i > assumed that this was where its sposed to be. > > Terry, I had a look through the cam sprocket and saw that the two marks > you described lined up perfectly with number 1 at TDC compression. I have > since pulled the head off and have found two very light scrapes from > exhaust valves on pistons 4 and 5 but none anywhere else. This fits with > the noise that I hear as it only seems to come from that area.. ie is not > uniform across all cylinders. > Now given that the two timing marks you mentioned DO align up correctly... > and that I am fairly confident the chain didn't slip a crank sprocket > tooth. What on earth would cause it to knock valves (only lightly i > hope/think) only on #4 and #5 ?!. Beats me. > Oh and while i'm hear is there anyway, short of paying someone money, to > be more confident that exhaust valves are not totally bent with the head > off?. Sit it upside down and pour some water in there? And come back in > the morning and see if its drained through?. I dunno. > Any help much appreciated, > Happy Easter and as Telstra have changed all their broadcast stations > names to: "Drive Safe". > > Dave > > >>>>>>>>>>>>>>>>>> Original Message <<<<<<<<<<<<<<<<<< > > On 3/29/02, 7:09:57 PM, Steve Lamb <[EMAIL PROTECTED]> wrote > regarding Re: L24 troubles. Please help: > > > > >distributer were in the position to fire number 1. I assumed that this > > >was TDC on the compression stroke. I then white-outed marks to match the > > > This may have been your mistake. Did you check that #1 piston was at > > TDC on the compression stroke before removing the head ?? > > > --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]/ ---------------------------------------------------------------------
