try F J Sweetmans.... they are in perth and all they deal in is washers, bolts, nuts, etc.
----- Original Message ----- From: "FJ MAN" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, November 23, 2001 10:52 AM Subject: Re: Z18ET limits. > > Andrew feel free to butt in :). > As I'm aware mixture trim is used for the exact reason you write, but, if a > whole new map is to be tuned in, which is pretty much what i had put in, > from what i've been told by varipous tuners, all mixture trim should be > taken out. Street scene (with the aid of one of my mates) tuned the car and > ive driven it hard a few times now, but i will be getting it mapped up to > the maximum PSI possible (for drag meets etc 10psi for day to day driving) > at rotormotion probably as theyve got their new dynamic dyno there. The car > doesnt have any flat spots or anything like that, but they guy there > recommended for future modifications try to up fuel pressure more than > upgrade injectors, as you get better atomisation of fuel. He also raised a > few interesting points about inlet manifold designs when runnin high boost, > so im not sure, but some time next year when i upgrade/rebuild the engine a > custom inlet manifold may be on the cards. These are the guys that run > against paul martini with their 413+hp 1.4 litre motor rail. The reason the > idle was bad wasnt in smoothness just in mixtures. 1.12m/sgave a lambda > readin of 1.00 but it does take a while to settle there. 1.16ms gave a > reading of .80. Yeah im running the mtx8 with the fj20CAS. Ill let you know > what power i get when it hits the roto dyno not sure of when. I tried > coventry and venables and autone and none of them could source those bolts. > ah well if u see any z24s in your travels with them please let me know. > sorry bout the length > regards chris > > >From: andrew smith <[EMAIL PROTECTED]> > >Reply-To: [EMAIL PROTECTED] > >To: [EMAIL PROTECTED] > >Subject: Re: Z18ET limits. > >Date: Thu, 22 Nov 2001 19:34:30 +0800 > > > >Chris, > >Mixture trimming is usually used when changing the size of the injectors or > >pressure reg.The microtech should have no problems controlling the > >injectors at > >idle unless the injectors are very big or leaking or just have a poor spray > >pattern.Fluctuating vacum can also have an effect at idle.From memory you > >were > >running a mtx8 with a fj20 dizzy as a pickup and using the microtech to > >drive 4 > >coils.This means that you are running sequential injection with variable > >injector timing so you should be able to get a good idle.You can also run > >it off > >your tps at idle.Who is tuning your car? > >You should be able to get the 14 by 1.25's from covs or you could try > >looking > >around at some z24's as ive seen them with the blanking plugs.Usually out > >of > >those 2.4 skylines.Sorry to butt in but i'm curiuos as to why they cant get > >good > >injector control.Ive seen a z18 with a digi2 running 12a turbo injectors in > >batch fire and it ran pretty rough at idle,would just stall every now and > >then. > >Andrew Smith > > > >FJ MAN wrote: > > > > > Yeah now worries, i was really just questionin the need for the mixture > >trim > > > if he went through and tuned the whole lot. Just been speaking to a few > > > workshops lately and the popular concesus is that mixture trim isnt a > >good > > > idea. Im not having a dig at all dont get me wrong, just interested in > >the > > > timin/duration/pulse of your injectors especially at idle etc coz as i > >said > > > we struck initial troubles with the microtech unable to control them. > >Also > > > what have u done as far as blankin off the exhaust plugs ( did u grind > >them > > > down flat or anything as i was told at higher rpms and boost etc they > >lead > > > to pinging as they get to a temperature where they ignite the fuel > >again. So > > > i went out chasing blanks but no one stocks 14mm 1.25s so i guess ill > >have > > > to grind down the plug electrodes. Sorry for the novel just interested > >in > > > getting a few opinions and you seem to be getting good results from the > >z18 > > > so far. > > > regards chris > > > > > > >From: "steven.taylor" <[EMAIL PROTECTED]> > > > >Reply-To: [EMAIL PROTECTED] > > > >To: [EMAIL PROTECTED] > > > >Subject: Re: Z18ET limits. > > > >Date: Thu, 22 Nov 2001 04:29:49 +1100 > > > > > > > >Mate im only using a Digi 1 microtech and it runs all the functions it > > > >controls > > > >beautifully. I get it dynoed down at Croydon autosports. I do all the > > > >prepping > > > >and they play with the computer. It took Jim a couple of hours i think > >on > > > >the > > > >initial tune to set everything up properly. From then on it has only > >needed > > > >1/2 > > > >hour sessions to re-tune it for mods that ive done.Basically pretty > >happy > > > >with > > > >it overall, has no flat spots, starts first go etc etc just like efi > >should > > > >be.... > > > >Steve. > > > > > > > >FJ MAN wrote: > > > > > > > > > Steve just curious, when you said you had a 30% mixture trim when > >your > > > >cAr > > > > > hit the dyno, was it tuned throughout the rev range at cruise, WOT > >etc > > > >as > > > > > well as this (just got mine tuned recently is all and the only thing > >i > > > > > discovered was that microtech is crap when it comes to controlling > >the > > > > > injectors (ca18det) injectors with it either runnin really lean or > > > >really > > > > > rich (1.2 or .75 on the lambda sensor, but at 1.12ms we eventually > >got > > > >it > > > > > down to perfect) basically just curious about how the comp works > >overall > > > > > with your set up and how long u had to tune it for etc. > > > > > hope this makes a bit of sense hah > > > > > regards chris > > > > > > > > > > >From: "steven.taylor" <[EMAIL PROTECTED]> > > > > > >Reply-To: [EMAIL PROTECTED] > > > > > >To: [EMAIL PROTECTED] > > > > > >Subject: Re: Z18ET limits. > > > > > >Date: Wed, 21 Nov 2001 07:55:54 +1100 > > > > > > > > > > > > > Adam, > > > > > > > As was my experience modding a z18et. Basically youll run out of > > > >fuel > > > > > >first. If your fuel supply system is adequate then youll need to > > > >firstly > > > > > >change your computer, then change your injectors (ca18/fj20det > >easiest > > > > > > > bolt in). Combine this with your i/c, decent exhuast and a > >decent > > > >tune > > > > > >and you should be able to run 15+psi easy. > > > > > > > > > > > > > "Rowe, Adam" wrote: > > > > > > > > > > > > > > What are my limits if I start increasing my boost on the Z18ET? > >I > > > >have > > > > > >factory injectors, AFM and computer. I will be fitting an > >intercooler > > > >and > > > > > >would like to know what will max out first as I increase the boost. > > > > > > > > > > > > > > Adam Rowe > > > > > > > > > > > > > > > > > >--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]/ > > > > > > > > > > >--------------------------------------------------------------------- > > > > > > > > > > > > > > > > _________________________________________________________________ > > > > > Get your FREE download of MSN Explorer at > > > >http://explorer.msn.com/intl.asp > > > > > > > > > > > > > > > _________________________________________________________________ > > > Get your FREE download of MSN Explorer at > >http://explorer.msn.com/intl.asp > > > > > > > > _________________________________________________________________ > Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp > --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]/ ---------------------------------------------------------------------
