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My First Dyno Run

tek_01

By tek_01,
in Engines & Forced Induction

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BAMR33 Mentor

BAMR33

Posted
Posted
well at this stage there is nothing really to "tune" is there? i dont want to waste money again to hear that they dont know waht the problem is

ooo, I figured you had some sort am ecu as its running rich as (only read a bit of the post). FPR there's you're problem there.

dont bother re-gapping ur platinums. you'll damage them. it wont be blowing out the spark at low boost anyway.

hey that's what I said :)

tek_01 Proficient

tek_01

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Posted

i was told by a couple people that rbs dont like iridiums much and platinums were suited better for my application.

i dont have no plumb back bov as this is how i bought the car from the dealer.

i will take off the fpr if i happen to do some woork on it again today

tek_01 Proficient

tek_01

Posted
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also about the afr being about 10. your correct in saying it was worse but the dynodoesnt rread any more. when putting on the fpr it seems to have kept it at a bit better level so i dont know... this has got me stuffed

tek_01 Proficient

tek_01

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Posted (edited)

went to another workshop today, they had a look at it and said it was the computer limiting it, so yeah put on the hks fuel cut defender for the timer being, upped the boost to 10psi

got much better results, as they should be i rekon

dyno2.jpg

btw; spark plugs are fine as are my coil packs, no misfiring or anything like that

also thanks to kennedy for helping me out the other day

Edited by tek_01
nizmo_freek Experienced

nizmo_freek

Posted
Posted
the standard ecu has a fuel cut if you go higher then like 10 psi. i had a bleed valve and turned the boost up and it died just after 10 psi. found that out the hard way

The standard ecu does not have a fuel cut, it has a airflow cut (excess airflow protection, rich and retard, whatever you want to call it) if the ecu sense's to much air being sucked into the engine it will retard the timing and pump in more fuel.

tek_01 Proficient

tek_01

Posted
  • Author
Posted (edited)

thats correct and mine was doing that if u boosted it ever so slightly

runs much better as i went for a nice drive tonight, 4people in the car and it still moves, was happy

worth the money if it works in the end

now i got another noise....bloody hell sound like the bov is leaking or failing somehow ... sort of sounds like a massive turbo winding up but its getting chopped up by blades or something (sounds like a bird) hard to explain

only happens on boost, hope its not the turbo??

Edited by tek_01
markimak Grand Master

markimak

Posted
Posted

limits fuel cut hehe. allows more fuel to compensate the extra boost ur putting in..

had one on a CA18DET some tool at the panel shop wound it up to 20PSI (t28 S15 turbo) and it kept hitting fuel cut. we then diagnosed it as that. and wound it down. gotta be careful with kids playing around with ur settings when ur cars in a shop.!

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