FC_mania

Anyone thinks this is a good setup?

running premix and 91 octane boosting 10 psi only.

pls comment:

S5 engine
T04B v trim .96 hot side
680/1680cc injectors
sx fpr (static pressure at 42psi)
small NPR i/c
stock ports.

all ideas are welcomed.

patman

iTrader: (3)

way too hard to read

FC_mania

way to hard to read because its too small or the data doesnt seem to make sense?

patman

iTrader: (3)

it would be better if it was typed

1sgen

iTrader: (1)

it think its a little too lean . at 10 psi you have only 3.62 ms in the load map with very little correction on the wot map, then i see you are running fairly large secondary injectors and dont know much about your turbo size on the compressor side. i would suggest running a widw band o2 sensor to find out .
the rest of it like water temp map, ignition maps look very close to what i have and mine is runing good

FC_mania

thank you..... did you tune your own car 1sgen or u send it to any tuners in texas?

I have a wideband but just want to make sure my figures are right..... so the only thing i should be concerned about is the load map?

if any of u need extra info pls let me know and hopefully i will re-type all of those messy info out hehee......

patman

iTrader: (3)

load is the most important, and easiest to tune. If you have a wideband, and are getting good mixtures thru the curve, then thats fine.

my suggestions:

you might want to smooth your timing curve some. also, It doesnt hurt to use the revlim and boostcut functions. And since you have values in the RPMCrs map, I assume youre trying to get some fuel efficiency, so you should turn Decel on.

1sgen

iTrader: (1)

patman is right about everything he said
i tune my own as much as i can and then ido couple of runs ont he dyno to get figures and fine tune.
let me know if i can help

FC_mania

great thanks a lot , will ask more if it comes out more questions

Jon Goodwin

Just to add my 2 cents, and not intending to contradict anyone, i would suggest not using the decel function due to your use of premix. I am fully aware that it's characteristics are to cling and lubricate surfaces on overun, but to tempt fate is too risky.

John

FC_mania

did u have bad experience with it?

Jon Goodwin

I have used the function, and found the transition tempramental. In all honesty, under engine breaking there is still a need to supply fuel and lubrication. Therefore as the Microtech cuts all fuel on the decel function, I would not recommend its use.

John

Jon Goodwin

With ref to your fuelling, it looks like you may be running on the rich side. Reason being is that your T_inj map still looks pretty normal, without concideration taken for the larger injectors. Obviously individual circumstances dictate what setup you use. Best thing for it is to use a wideband.

John

FC_mania

what do you think about my timing , pump values and opt staging numbers?

Jon Goodwin

As far as i can recall, your pump values look pretty normal. Your timing figures appear too aggressive for the fuel you are using. At 10psi, as your indicated pressure, the overall timing is set to 18btdc.

As your static value is set to 00deg, have you remarked the pulley to corrospond with this value?
The cruise map is too rich... at the cruise rpm, you should be using minus values. As is the wot map.

I can only comment on what i can see, but to be honest in reality it will take you no less than 6 months to get a spot on map... if you have time and patience.

rolotec

who give you this mapping?

FC_mania

hi rolotec ,

i got it from my friend back in malaysia from Millenium Motorsports. This guy called Joshua. You know him? it would be great if u have comments on it as well if it is a good/safe map or not. im running 10 psi on a full to4b vtrim setup , stock ports 680 primaries/ 1680 secondaries with a nippondenso high pressure fuel pump , paralel fuel system with sx fpr. running premix with 91 octane.

FC_mania

sorry newbie question , how do u know the rotor is at btdc or atdc at what rpm and pressure? i locked the timing at 5ATDC as specified in the microtech manual.

so the pump amt looks good too ? cause base map is +10 and mine is just +01 , i dont understand what do u mean to get a spot on map?



rolotec: i have a weird feeling u have some connections/relations to this settings ? hehehe....

Jon Goodwin

We are all newbies... so no worries.
Your Static value is 0, so the ecu will be applying all timing corrections on that reference. If your CAS is still as normal(5atdc) they will not see the same ref points. To ensure this you remark the pulley 5mm to the right of the leading mark, and carry out the same procedure as normal using the new point to line up on. This with the static set to 0deg will put the ecu in line with the CAS.

Your AMT is most probably set at that to compensate for the larger injectors.

John

FC_mania

wouldnt it be safer if i were to set it at 5atdc rather than the same as the static 00 values?.......just as a safety margin for tuning wise?

Jon Goodwin

No, as that is false tuning...easier to make mistakes. Knowing what the ecu is seeing and applying to the engine makes for simpler tuning.

John

FC_mania

jon: thanks a lot , i will re-mark the pulley and start all over again..... so you think my map needs a little timing retard under boost and make it a little more rich under boost?

do u think its alright with the pump dwell values and opt dwell values?.....

Jon Goodwin

At 10 psi as indicated, you should apply in the region of 12deg total adv, ie on the T_rpm map at 10 psi, it should read -13deg. This is just a guide line, and an example.
You should not need any more fuel though...i would say less. With reference to your pump questions, i don't have any hard advice as i have not tuned cars with your setup. I would say though, have a look at the base map on another thread on this forum, and compare you values.

Good luck
John