How did you go without the filters?
Kris. ----- Original Message ----- From: "Kristian Walsham" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, May 27, 2003 8:29 AM Subject: Re: L20B Revving problem ATT: KRIS > Hi Chris, > Do you know the regrinder who did the cam? If it is a Wade > grind, it should have a "663" or "487" and it will be behind the cam > sprocket. > > Kris. > > ----- Original Message ----- > From: "Chris king" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Sunday, May 25, 2003 10:51 PM > Subject: Re: L20B Revving problem ATT: KRIS > > > > Kris, > > > > Not sure about much of the engine as I bought it with most of the work > done. > > The S2 dizzy I put on is brand new so I hope its not missing a spring! > > I have also not had a look at the cam, the specs were just what I have > been > > told and from how the car drives. Ive got an A87 head lying around, so > when > > I work out what I have, I might upgrade. my plug gap is about 1.1mm. > > > > My car idles around 1000-1100 rpm. > > > > Im still quite clueless, might see how it goes without the air filters > (K&N > > socks) > > > > Thanks for all your help > > > > for more info go to http://cmy510.tripod.com/ > > > > ----- Original Message ----- > > From: "Kristian Walsham" <[EMAIL PROTECTED]> > > To: <[EMAIL PROTECTED]> > > Sent: Friday, May 23, 2003 8:37 AM > > Subject: Re: L20B Revving problem > > > > > > > Hi Chris, > > > I`m running standard NGK`s at the moment but may try colder as it > > sometimes > > > runs on. > > > I`m not really familiar with the U67 head but im guessing the standard > > comp > > > is 8.5:1? How much has it been shaved? The standard height of the head > is > > > 108mm.. > > > Is this head an open chamber design? > > > What is the port size? Mine is 34mm plus a bit of internal port work. > > Was > > > it done professionally? > > > > > > It might be easier to just get a W53 head with steel `seats or an A87 > head > > > or if you can find one, a V912 head which are all closed chamber design, > > and > > > swap over the cam/rockers/pads. > > > Did you buy the cam or was it in the engine originally? What is the > number > > > on it? (should be under the sprocket or on back of cam). > > > What is the idle set at? I`m suprised it pings considering mine is at > > 20deg. > > > Maybe a broken spring in the dizzy? > > > > > > Where are you Chris? I`m in Melbourne. > > > > > > Kris. > > > > > > ----- Original Message ----- > > > From: "Chris king" <[EMAIL PROTECTED]> > > > To: <[EMAIL PROTECTED]> > > > Sent: Thursday, May 22, 2003 3:33 PM > > > Subject: Re: L20B Revving problem > > > > > > > > > > Kris, > > > > > > > > I have not measured plug gaps, What spark plug heat range should this > > kind > > > > of engine run????? I'll do it tonight > > > > > > > > My diff is a LSD 3.9 R160 and 240K 5speed and the car runs on > premium > > > 98. > > > > > > > > > > > > I have had the car dynoed but they could not tell me why it would not > > > revv. > > > > The advance was set at 10 deg because above this it would ping. > > > > The suggestion was to take the head off and have a look at what the > comp > > > > ratio and porting are like but I haven't yet done this. > > > > > > > > If my U67 head hasn't had any porting work done to it, could this be > > > > restricting it or is this fine to rev out past 7K ? > > > > > > > > Thanks > > > > > > > > Chris King > > > > > > > > ----- Original Message ----- > > > > From: "Kristian Walsham" <[EMAIL PROTECTED]> > > > > To: <[EMAIL PROTECTED]> > > > > Sent: Thursday, May 22, 2003 3:05 PM > > > > Subject: Re: L20B Revving problem > > > > > > > > > > > > > Anthony/Chris, > > > > > Have you had the car dynoed? This to me is the only > > way > > > to > > > > > properly tune it. What is the comp ratio as you need about 10.5:1 > > > minimum > > > > > with that cam. > > > > > What diff ratio are you running? > > > > > Are the plug gaps set at 1.1mm? > > > > > What fuel are you using? > > > > > > > > > > I have a L20B in my 1600 with the following mods; > > > > > 10.7:1 comp. > > > > > A87 head shaved 1.5mm > > > > > 32/36 weber and extractors, 2" system > > > > > 72 cam > > > > > S2 dizzy set at 20deg BTDC @ 1000rpm and have the vac advance hooked > > up. > > > > > Std bore with 1mm dished pistons > > > > > 3.9 r180 > > > > > BP Ultimate or other 98octane. > > > > > It will happily rev to 6500 in 1-2-3 haven`t tried 4th as i would > be > > > way > > > > > over the speed limit. I`m pretty happy considering the small carby. > > > > > The dizzy was set at 20deg to improve the low end torque plus it > > doesn`t > > > > > ping!! > > > > > > > > > > I get just on 300km per tank around town. > > > > > > > > > > Kris. > > > > > ----- Original Message ----- > > > > > From: "Chris king" <[EMAIL PROTECTED]> > > > > > To: <[EMAIL PROTECTED]> > > > > > Sent: Thursday, May 22, 2003 2:34 PM > > > > > Subject: Re: L20B Revving problem > > > > > > > > > > > > > > > > Anthony, > > > > > > > > > > > > Ive got the same problem, ive got L20B twin 45mm Webbers, S2 bluey > > > dizzy > > > > > set > > > > > > at 10 deg and the advance not hooked up at all. Also shaved head > and > > a > > > > 72 > > > > > > deg cam. Im not sure what has been done to the head otherwise but > > she > > > > wont > > > > > > make any power over 5 grand ! Its got a bigger fuel pump ( same > > > > design > > > > > > but around the top of the pump its got 6 screws and one in the > > middle, > > > > > > anyone know what this is off?) > > > > > > > > > > > > If you guys have any break throughs I would love to know, any help > > > much > > > > > > appreciated! > > > > > > > > > > > > Thanks in advance > > > > > > Chris King > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > ----- Original Message ----- > > > > > > From: "Anthony M. Reid" <[EMAIL PROTECTED]> > > > > > > To: "Ozdat" <[EMAIL PROTECTED]> > > > > > > Sent: Tuesday, May 20, 2003 11:27 PM > > > > > > Subject: RE: L20B Revving problem > > > > > > > > > > > > > > > > > > out of all the good help it looks like i need to look at timing, > my > > > > > > dried has same problem but he is using different carbs i'm going > to > > > take > > > > > > out the disy this week and check the advance plate > > > > > > > > > > > > -----Original Message----- > > > > > > From: [EMAIL PROTECTED] > > > > > > [mailto:[EMAIL PROTECTED] Behalf Of Scott > > Crane > > > > > > Sent: 20 May 2003 14:06 > > > > > > To: Anthony M. Reid > > > > > > Subject: Re: L20B Revving problem > > > > > > > > > > > > > > > > > > ok then . it could be either a fuel system or timing problem that > is > > > > > > about > > > > > > as far as i can help > > > > > > > > > > > > ----- Original Message ----- > > > > > > From: "Anthony M. Reid" <[EMAIL PROTECTED]> > > > > > > To: "Ozdat" <[EMAIL PROTECTED]> > > > > > > Sent: Tuesday, May 20, 2003 10:12 PM > > > > > > Subject: RE: L20B Revving problem > > > > > > > > > > > > > > > > > > I'm using a standard flywheel off a 6 cylinder engine and i'm sure > > > that > > > > > > it's lighter than an L18 one > > > > > > > > > > > > -----Original Message----- > > > > > > From: [EMAIL PROTECTED] > > > > > > [mailto:[EMAIL PROTECTED] Behalf Of Scott > > Crane > > > > > > Sent: 20 May 2003 12:39 > > > > > > To: Anthony M. Reid > > > > > > Subject: Re: L20B Revving problem > > > > > > > > > > > > > > > > > > are you using a standard weight flywheel ? if you are these things > > are > > > > > > damn > > > > > > heavy and will make it hard to rev . I had to lighten mine quite a > > bit > > > > > > ----- Original Message ----- > > > > > > From: "Anthony M. Reid" <[EMAIL PROTECTED]> > > > > > > To: "Ozdat" <[EMAIL PROTECTED]> > > > > > > Sent: Tuesday, May 20, 2003 5:19 PM > > > > > > Subject: RE: L20B Revving problem > > > > > > > > > > > > > > > > > > i have the cam timing set to the book spec (just to the right of > the > > > > > > mark) I have had a electronic dissy send from ausy but not sure if > > > it's > > > > > > the correct one, compared to the original one it's massive in size > > is > > > > > > there any making i could look for to find out? > > > > > > > > > > > > -----Original Message----- > > > > > > From: [EMAIL PROTECTED] > > > > > > [mailto:[EMAIL PROTECTED] Behalf Of Maldat > > > > > > Sent: 19 May 2003 23:01 > > > > > > To: Anthony M. Reid > > > > > > Subject: Re: L20B Revving problem > > > > > > > > > > > > > > > > > > I'd play with the timming chain one tooth either way. > > > > > > > > > > > > if that no good or only improves a wee tad ,I'd also look at the > > > dizzy. > > > > > > > > > > > > you know loosen the 10mm bolt and turn the dizzy?.I have also had > to > > > cut > > > > > > that plate so the dizzy will turn more . > > > > > > > > > > > > Should rev out just past 7000Rpm with no problems. > > > > > > > > > > > > Malcolm > > > > > > ----- Original Message ----- > > > > > > From: "Anthony M. Reid" <[EMAIL PROTECTED]> > > > > > > To: <[EMAIL PROTECTED]> > > > > > > Sent: Tuesday, May 20, 2003 1:28 AM > > > > > > Subject: FW: L20B Revving problem > > > > > > > > > > > > > > > > > > > > > > > > > Hi > > > > > > > > > > > > > > Looking for a little advice on this, i have a L20B with a w53 > head > > > > > > > that's been ported to match SSS carb manifold, it also has L18 > sss > > > > > > > twin su carbs on it. But it will not really go above 5000 rpm > with > > > out > > > > > > > a struggle. In 2 gear it goes to about 6krpm. My friend has > built > > a > > > > > > > L20 hybrid with same head but with twin 40's on it and it does > the > > > > > > > same hit 5k rpm and stop accelerating > > > > > > > Any ideas? > > > > > > > > > > > > > > Thanks > > > > > > > Anthony > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > --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]/ ---------------------------------------------------------------------
