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...curiosity Killed The Car...

ARTZ

By ARTZ,
in Engines & Forced Induction

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ARTZ Grand Master

ARTZ

Posted
  • Author
Posted (edited)

when you say torque is meaningless ..how so?..

is that why everyone posts kw figures but nobody posts torque?

yeah i was told if i wired up two afms so the ecu was tricked to think it was one it could work, however i just figured this would make the car run rich , thinking it was getting twice as much air as it was...which of course i didnt want to do

i have seen it done, but only on cars running management

Edited by doozooby
JonnoHR31 Grand Master

JonnoHR31

Posted
Posted
when you say torque is meaningless ..how so?..

is that why everyone posts kw figures but nobody posts torque?

yeah i was told if i wired up two afms so the ecu was tricked to think it was one it could work, however i just figured this would make the car run rich , thinking it was getting twice as much air as it was...which of course i didnt want to do

i have seen it done, but only on cars running management

torque at the wheels is different in every gear too. you'll have a lot more in 3rd than in 4th. so unless its corrected to torque at the flywheel by calculation its fairly useless.

you cant run 2 afm's with the stock ecu

W0rp3D Grand Master

W0rp3D

Posted
Posted

Have you just looked at the outside of your ecu or have you pulled the cover off it?

Also lets not forget that there are some "happy" dyno's around, if the one you were on is a happy dyno it could be reading 10-20kw higher than it should, where did you get it done?

If you have a look in the rb25 upgrade thread you will find people with your same set up doing similar sorts of power so its far from out of the question, as i have found tho the limit of the standard injectors (if they are standard), fuel pump and afm is around 200rwkw, im doing 210rwkw with the injectors seeing 100% and the afm tuned to 110% so if you go a hi flow you will need to upgrade all of these and your ecu, plus a fmic if you are still running the standard one.

ARTZ Grand Master

ARTZ

Posted
  • Author
Posted (edited)
Changing the ramp rate on a dyno can change torque readings. As will other factors.

The true test is the 1/4 mile.

yeah , apparently its run 12.4, on stock street rubber, soon as calder opens im gunna go find out for myself i think..might have just been a flukey run..or had a a tank full of metho...lol

we opend the ecu up all appears normal,although the sticker on the side says re-manufactured nissan ecu, i havent been able to compare it to any others ..if anyone has pics of a stock label on theres would be interested to see

The dyno seemed pretty legit, it was run a year earlier and pulled over 200kw so im guessing that was a happy dyno...and they were throttling it alot harder..

Edited by doozooby
adamskill Mentor

adamskill

Posted
Posted

dont mean to be rude mate, but if the car is performing how you want it, and drives how you want it to, and you happy with the power and torque of the engine, why do you care about a dyno print out? do what your mate said, and enjoy it! who cares what a dyno says!!

ARTZ Grand Master

ARTZ

Posted
  • Author
Posted
dont mean to be rude mate, but if the car is performing how you want it, and drives how you want it to, and you happy with the power and torque of the engine, why do you care about a dyno print out? do what your mate said, and enjoy it! who cares what a dyno says!!
agree 100% with adamskill... dude if its got good A/Fs and is fast point to point. just love it :D haha

Righton fellas, the more i been yabbering on here the more i've realized, who cares ..i love driving it, unfortunately theres not the room or oppurtunity to drive it the way i would like..

on the roads so i think my best bet is to get to the track and just enjoy it for what its worth..learn some new skills

Its not what you got on paper but what you got on the tarmac that matters.

Now i just gotta put me car bak 2geva n hope she works again

Just for the record the A/Fs were purrrfect :D Cheers

adamskill Mentor

adamskill

Posted
Posted
Righton fellas, the more i been yabbering on here the more i've realized, who cares ..i love driving it, unfortunately theres not the room or oppurtunity to drive it the way i would like..

on the roads so i think my best bet is to get to the track and just enjoy it for what its worth..learn some new skills

Its not what you got on paper but what you got on the tarmac that matters.

Now i just gotta put me car bak 2geva n hope she works again

Just for the record the A/Fs were purrrfect :D Cheers

good idea mate. ill give you the hot tip tho, all the bull shit on this forum about dyno's goes strait out the window when you take ya skyline to the track and realise that ya 10-15 year old car has brakes that dissapear after 2 laps, suspension that is sloppier than porrage, and tyres that loose traction mid corner and spin ya into the dirt. then u realise that dyno's mean absolutley sweet f**k all. rant over. have fun mate!! adam

ARTZ Grand Master

ARTZ

Posted
  • Author
Posted
You never mentioned if it has a fmic, if it hasnt then i wouldnt take it to the track without one, would hate to see your inlet temps after the first lap.

no it is on my list of things to do along with new tyres. and an oil change..lol..

if you have a spare one laying around ill happily take it off your hands :D

W0rp3D Grand Master

W0rp3D

Posted
Posted
no it is on my list of things to do along with new tyres. and an oil change..lol..

if you have a spare one laying around ill happily take it off your hands :D

i do actually, hks one in fact, has the bottom plate bent but no damage to tubes, i'll dig it out and take a pic when i get around to it.

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