What are you guys running? I think you both run a t28?Originally Posted by Brigsy
What are you guys running? I think you both run a t28?
pretty much, brigsy's is a roller bearing turbo, and i suppose it will flow more than a t28 that i run.
is yours a .49 exhaust housing and a t3 comp housing?
I think so I'm sure it's a .49 but not sure on the rest I will have a look through the as mark put up..
I have a T28 turbocharger here for sale that is suited for the C1J engine
It has a .42AR compressor housing and a .49AR exhaust housing, not too sure on wheel trims
Was used recently so not been sat around for long, in good condition with minimal up and down play. Comes with a -31 actuator, not too sure what the boost is set to though
Has silicone 90deg oil return pipe still attached and exhaust elbow still attached which are sold with the turbo
Same housings as mine, the wheels could be totally different tho. Good for 200+ anyway, at around 22/23psi.
As far as boost goes, last time i set mine up i basically kept winding it up until the engine knocked, then went back a couple of lb. Ill be honest i struggled to keep the carb bowl full.
You need to be making sure your not emptying the carb bowl in 4th too when setting up.
Coming to work this morning at 5am I gave it some wellie still at 10psi and the AFRs were 14 sat on tick over so no probs there then just normal off boost driving it was 12s to 12.5 then floor it then it seems to goto 10s then 11s.. When I finish here the boost is going up to about 17 I think see what happens got my note pad to right things down as I forget things with too much going in
It's worth mentioning that whilst doing a pull in fourth gear, you need to make sure you don't lift off then back on again, this will hide any flote emptying issues, be careful as when the flote does empty the afrs lean right off very quickly, at 20+ psi takes a matter of seconds for total destruction
what fuel pump are you using? And have to changed the fuel reg?
So you want to sit in fourth off boost then just floor it and keep it floored until you hit the revs your planning on revving to. Another point to make is although it fuels for a pull in fourth, doing a run at pod particularly with slicks will highlight any fueling issues sooner as you go right through each gear with a high amount of load on the engine due to the grip the slicks provide.It's worth mentioning that whilst doing a pull in fourth gear, you need to make sure you don't lift off then back on again, this will hide any flote emptying issues, be careful as when the flote does empty the afrs lean right off very quickly, at 20+ psi takes a matter of seconds for total destruction
what fuel pump are you using? And have to changed the fuel reg?
Guess if better calm it for a bit then as its still standard fpr and I'm running a phase1 pump.. Two things I know I need but funds ran out..
Phase 1 pump should be upto the job the fpr however probably wants changing to a rising rate one or an adjustable one. Although on my brothers engine the phase one pump wasn't upto the job it would empty the bowl at 16psi or so, that was most probably the original pump so maybe that's why it wasn't upto it. As soon as we fitted a cheap efi pump it was ok upto 21psi then it started to empty again, haven't yet tryed it with the adjustable fpr, going to be on the rollers this Wednesday and we will see how the fuel system copes with some boost.
Actuator turned a coupe of turns so off for a test drive (off to work) lets see how she gets on with a bit more boost
Did you make it there..... and hopefully back?
Yes bud only up by 0.2 bar so 0.9 now not overly impressed as I'm still used to the snap of 1.5 bar the tomcat gave me dailyDid you make it there..... and hopefully back?
Right then lads... Fourth gear 6500 revs and flat 10s on the Afr still 0.9bar.. Talk to me
Turn the boost up
Definitely, it needs at least another bar!Turn the boost upok maybe that's a little exaggeration, just think about it like this, your second stage is 1.3 your A/C is 1mm and your running boost that a standard carb wouldn't be far off fueling for
I would say give it at least 1.1 bar..... And see how you get on, t28's are pants at low boost they seem to start to get in their stride at around 20lb or so
I'm presuming your measuring the boost from the aei line?
Yea phil I'm wanging it up now
Man up nottswoodyYea phil I'm wanging it up now
Man up nottswoodyits up I'm just stuck at work so can't try it yet I set it at 1.4bar for on the way home
Pulled well on the way here it seems really even not as snappy as the t25 see how it boosts later..
Always an issue once the boost starts to increase, loose the dv, they are gay anywayi have even blown boost hoses with mikalor clips on, i find once they blow they need a good de-grease with thinners on the inside of the hose and whatever it pushes over then the grip from the clip is a million times better.
I've seen a vid where the bloke used hairspray too, it worked well.
Not happymy oil pressure (standard) has started going up an down when I rev it the gauge went down then up
then high pressure then low the normal
When id slightly cracked a piston my pressure was at 80 at turnover then 35 idle then 60-100 on boost and it was breathing like a motherf.......
We're should I start looking? It was exactly the same this morning no smoke no smell and no knocking just the gauge telling me different readings..
I take it you had an aftermarket oil reader?
Standard oil pressure gauge is crap, get an aftermarket one fitted matey
Will do bud but what should I be looking for?
Basicly when I get home I will take off te turbo oil feed into a cup and as long as that's getting good oil pumped we should be golden shouldn't we?
As brigsy said.. Get a mechanical after market gauge.. I can never understand why peeps spend all this money then don't have an oil pressure gauge fitted...
Will do guys I hope it is just the gauge its not as if I'm running crazy boost yet
Hear you there Dave
It's another thing I'm sorting out, been looking at these:
http://www.ebay.co.uk/itm/2808869923...=p5197.c0.m619
Like the idea of adding the reliability of a modern set-up!
Does anyone have any links of a kit that would do the job?
Hear you there Dave
It's another thing I'm sorting out, been looking at these:
http://www.ebay.co.uk/itm/2808869923...=p5197.c0.m619
Like the idea of adding the reliability of a modern set-up!
Does anyone have any links of a kit that would do the job?
The one in the link would be fine, stick with mechanical (maybe old school) but there's less to go wrong
Well thanks to chris he's sent me a gauge cheers Chris I will just need the fixings now
On the way home perfect reading lol bloody gauges
So I left work early to see if my actuator off my t25 would fit my t28 with a bit of modding it did
for setting up the boost afr's, I would rev it to where you would when absolutley pushing it. Like 7k or 7.5k if you want to go that far, as thats where you want the fuelling to be absolutley spot on.
I am happy to sacrafice exact fuelling lower down the revs for safer top end afr's. If something were to let go at 7k+ rpm then it aint gonna be pretty
I haven't got "a private road" big enough for thatfor setting up the boost afr's, I would rev it to where you would when absolutley pushing it. Like 7k or 7.5k if you want to go that far, as thats where you want the fuelling to be absolutley spot on.
I am happy to sacrafice exact fuelling lower down the revs for safer top end afr's. If something were to let go at 7k+ rpm then it aint gonna be pretty
Think I need the 0.9 instead of the 1
Good fun though
How do you find it day to day? Has the smell gone from yours or is that just the c1j thing?
0.9 a/c will make it richer...stop fannying about and give it some revs, it will most likely lean off at the top
Ha I live in the city briggsy I can't get enough room to give it the beans.. Its pod I'm after this year 15.2 can not happen again
Consider yourself told off!
in all fairness it's virtually impossible on the work run, not to mention insane, you need to do some late night private (ahem!) road fourth gear pulls, and feel that t28's real lungs!
Exactly, it would be mad to tune on the work run...night time tuning ftw
every clip was loose on my ic and I have 8 even the lobster was loose.. Hpegully that will sort it.. Think I'm going to buy all heavy dutie ones but even those ha come loose too. Any way has anyone got a pic on how to fit a bleed valve?
No pic but just T it into the pipe going to the actuator.
And the bottom pipe?No pic but just T it into the pipe going to the act
Like this Paul
Run bottom pipe well out of the way of the turbo and manifold
1.4bar reached with old actuaor back on and bleed valve now fitted
Trip to work was much more fun now I'm actually using the boost
So now running 1.6 bar but still have a few questions..
It's running well pulls to a bar then seems to go again to 1.6 at a different rate. My car seems to come alive at 5grand onwards i cant even spin the wheels as all the powers top end is that right? not that i want to spin the wheels but my t25 used to spin all over I'm running 99 and I'm only getting 32miles to a tenner is that about right?
Cheers getting used to the lag now iv had to re learn the roads and oponats I pick.. All good so far. Got the work run down this morning from 15mins to 11 this morning
What would of moved the power to the top end will be the cam timing, as its timed to 112deg it will move the power band to the top end. If you want bit more lower down power and response i'd advance the cam timing abit then
Posting Permissions
Reply With Quote