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pics of extractors

Driver

By Driver,
in Engines & Forced Induction

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  • 2 weeks later...
floody Experienced

floody

Posted
Posted

Umm, guys, just thought I'd say something, the original manifold keeps being referred to as "stock extractors". They aren't, the original one is just a cast iron exhaust manifold. Extractors are as the Coby ones- e.g tubular, better flow than stock. Actualy, "Tube Headers" is more accurate as a term, as extractors are really only a particular design of tubular headers which act to "extract" gas from the cylinder by clever use of cylinder pulses.

cheers,

floody

  • 4 weeks later...
_turtle_ Proficient

_turtle_

Posted
Posted

hey guys, i've finally fitted the coby extractors on the car. cost $99. car is much more responsive from around 2500 rpm. i've ended up taking the pod filter off and putting the stock box on with trust panel filter, the sound is soo lound with the pod on!

only prob i have now is that for some reason it hangs low like dogs balls and scrapes on my driveway :P not sure which part exactly is scraping, i suspect its the part where it bends. gotta get outta the car and have a proper look.

Greg Veteran

Greg

Posted
Posted

hey denny,

its weird, my fuel economy slightly improved?! the extractors do hang quite low don't they, it makes me reluctant to lower my car.

i will organise that dyno day we spoke about as soon as i finish my exams (november 10) so a few of us n/a guys can compare numbers and not feel uncomfortable about the big numbers the turbos pull :( is there anything to 'tune' on a standard skyline? i was told u need at least SAFC or something before dyno tuning is worthwhile?

cheers

greg

_turtle_ Proficient

_turtle_

Posted
Posted

hey greg, with a standard skyline i guess all they can do is advance the ignition timing. i've actually got the old school generation 1 safc, the one with the knobs on it lol. theres only like 5 tuning points though. i picked it up really cheap so thought might as well give it a try. anyone else got ? u can turn it up -30 or +30, i take it when u go towards minus thats leaning it out?

Disciple Contributor

Disciple

Posted
Posted
Originally posted by _turtle_

hey guys, i've finally fitted the coby extractors on the car.  cost $99.  car is much more responsive from around 2500 rpm.  i've ended up taking the pod filter off and putting the stock box on with trust panel filter, the sound is soo lound with the pod on!

only prob i have now is that for some reason it hangs low like dogs balls and scrapes on my driveway :)  not sure which part exactly is scraping, i suspect its the part where it bends.  gotta get outta the car and have a proper look.

they only cost $99?? what the fudge?

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