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+--- Thread: That fuel screw 'hingy (/showthread.php?tid=4353)
That fuel screw 'hingy - cwspellowe - 21-06-2012
Right so... bash bash bash and the anti tamper cover is off. Wound the screw in four turns and yep, it feels pokier.
Seems to clean up the smoke when on boost but theres a fair bit when off boost, even with an LDA grind. Is there much I can do about that now? Especially as I haven't touched the wastegate yet, sure that'll see me hit 25psi or so but that won't help smoke lower in the revs, will it?
RE: That fuel screw 'hingy - Dan! - 21-06-2012
Alot of it will just be learning to be more progressive with the throttle as you will be used to driving an na petrol. you can fiddle with the starwheel under the lda cap though. 4 bolts to remove the lid, twist the lda pin out, remove the big spring and then get a screwdriver on the splines on the outside of the spring seat and wind it up/anti-clockwise say 3 turns and go from there winding it up or down a bit after test drives to suit.
RE: That fuel screw 'hingy - cwspellowe - 21-06-2012
Pfft, progressive with the throttle my arse. Foot's either off or on
So what you're saying is... more fuel?
RE: That fuel screw 'hingy - darrenjlobb - 21-06-2012
You will need to get used to operating the throttle pedal, as on / off with lively VE is a bad plan for bogging / lag
RE: That fuel screw 'hingy - cwspellowe - 21-06-2012
NEVER!
What can I say? I'm not REALLY a derv head..
RE: That fuel screw 'hingy - Dan! - 21-06-2012
What i said about the lda/starwheel adjustment means that the spring seats higher up, therefore puts more pre-load on the lda pin, which means it doesnt drop down as easy/needs more boost/pressure in order to drop all the way down. so basically, means the pin doesnt drop all the way down (giving full fuelling) at like 5 psi, it means it needs more like 15 psi until it fully drops.
RE: That fuel screw 'hingy - Jenkosowls - 21-06-2012
Definetly lda settings makes allot of difference! The t25 was blowing clean on and off boost with the k14 settings. Adjusted the lda settings and transformed it kicked fuel in when needed. Iv found allot of people don't even touch lda spring!
Cars going on dyno session tomorow to fine tune the lda and few other things il post up what I get
RE: That fuel screw 'hingy - Ruan - 21-06-2012
You soon get used to not bogging it...
I'm tempted frankly to go with an NA pump, I'm so used to controlling it anyway!!!
100% standard LDA system FTW!
RE: That fuel screw 'hingy - darrenjlobb - 21-06-2012
No smoke easily is what common rail is for, its the difference between a man, and...welll....a CR driver