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Old 16-08-2012, 11:46 AM
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lmosleycosworth chevette
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Default air injectors or boost controller

Hi what are peoples opinions on using air injectors or boost controllers on a yb, as more often people use air injectors on yb's.
Cheers lee
Old 16-08-2012, 11:51 AM
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Rsmat
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I have air injector in my Cossie and it works great... Sorry I can't help in telling you which is best
Old 16-08-2012, 12:07 PM
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Originally Posted by RS_matt
I have air injector in my Cossie and it works great... Sorry I can't help in telling you which is best
What do the air injectors do ??
Old 16-08-2012, 12:35 PM
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They control the boost better being able to adjust and alter in lesser rpm scale iirc.
Old 16-08-2012, 12:36 PM
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here you go

https://passionford.com/forum/techni...they-work.html
Old 16-08-2012, 01:03 PM
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Originally Posted by lmosleycosworth chevette
Hi what are peoples opinions on using air injectors or boost controllers on a yb, as more often people use air injectors on yb's.
Cheers lee
Have not used Air injectors for 10 years, rather outdated.
Old 16-08-2012, 01:51 PM
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Originally Posted by Heitmann
Interesting read! Thanks mate!
Old 16-08-2012, 04:47 PM
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Air injectors ARE bost control.
And to say they are out dated it's just bonkers, probably means your tuner didn't know or the ecu couldn't do it, how to program a three term controller (PID)

Having the ecu control the boost levels are the ONLY way I would have it, it's just as important as ignition timing and fuel, so why use a separate controller that does have all the input facts (corrections)

Air injectors are just the actuators for your control system.
Old 16-08-2012, 05:18 PM
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LOL Gareth, I remember discussing this at length with you back in the day - you haven't changed

Stu, in 2005

Originally Posted by Stu @ M Developments
Air injectors are old fashioned.
Do you think he doesn't know air injectors?
Old 16-08-2012, 05:20 PM
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Originally Posted by GARETH T
Air injectors ARE bost control.
And to say they are out dated it's just bonkers, probably means your tuner didn't know or the ecu couldn't do it, how to program a three term controller (PID)

Having the ecu control the boost levels are the ONLY way I would have it, it's just as important as ignition timing and fuel, so why use a separate controller that does have all the input facts (corrections)

Air injectors are just the actuators for your control system.


Because Rod just talks out of his arse... If he hasn't got it then it's all wank.!!!..when are people going to realise he runs a million pound one trick pony...I still want to see his one trick pony show me the light of day in my poxy T34 powered car (has he say..!)...beat me down the proper country lanes... Like proper cars should be... It wasn't a Rs to used in a straight line.


Rant over... Sorry but just seems if rods NASA 10 saphire doesn't have it then it's wank..!
Old 16-08-2012, 05:41 PM
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Originally Posted by St3V3_C
LOL Gareth, I remember discussing this at length with you back in the day - you haven't changed

Stu, in 2005



Do you think he doesn't know air injectors?

Stu's not always right! Lol
Old 16-08-2012, 05:49 PM
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Ok what's "wrong" with air injectors?
Old 16-08-2012, 06:11 PM
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Originally Posted by RS_matt
Because Rod just talks out of his arse... If he hasn't got it then it's all wank.!!!..when are people going to realise he runs a million pound one trick pony...I still want to see his one trick pony show me the light of day in my poxy T34 powered car (has he say..!)...beat me down the proper country lanes... Like proper cars should be... It wasn't a Rs to used in a straight line.


Rant over... Sorry but just seems if rods NASA 10 saphire doesn't have it then it's wank..!
Have to agree mate!
Old 16-08-2012, 06:19 PM
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Originally Posted by GARETH T
Air injectors ARE bost control.
And to say they are out dated it's just bonkers, probably means your tuner didn't know or the ecu couldn't do it, how to program a three term controller (PID)

Having the ecu control the boost levels are the ONLY way I would have it, it's just as important as ignition timing and fuel, so why use a separate controller that does have all the input facts (corrections)

Air injectors are just the actuators for your control system.
Glad you wrote that Gareth, saved me having to write someting similar Although Mark did say to me they should work with the SM4, so I run air injectors on my Autronic SM4 and they work fine
Old 16-08-2012, 06:20 PM
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Originally Posted by RS_matt
Because Rod just talks out of his arse... If he hasn't got it then it's all wank.!!!..when are people going to realise he runs a million pound one trick pony...I still want to see his one trick pony show me the light of day in my poxy T34 powered car (has he say..!)...beat me down the proper country lanes... Like proper cars should be... It wasn't a Rs to used in a straight line.


Rant over... Sorry but just seems if rods NASA 10 saphire doesn't have it then it's wank..!

you are wrong about Rod mate really ! But its one of those some people prefer them some dont , ive never been a fan but to be honest ive never learned to set them up and from what i know they take some setting up and many who use a boost controller or a aftermarket ecu they achiebe everything needed to do ! so yes there good but only in the right hands

Last edited by Jay,; 16-08-2012 at 06:21 PM.
Old 16-08-2012, 06:36 PM
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GARETH T
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If I could have he perfect boost control system, I would ditch the amal valve/air injectors and the turbo actuator, and have an electronic linear actuator acting directly onto the wastagate
Old 16-08-2012, 06:37 PM
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i run an apexi avcr, awesome kit, i tell it 2.1 bar, i get 2.1 bar.
Old 16-08-2012, 06:42 PM
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Originally Posted by Jay,
you are wrong about Rod mate really ! But its one of those some people prefer them some dont , ive never been a fan but to be honest ive never learned to set them up and from what i know they take some setting up and many who use a boost controller or a aftermarket ecu they achiebe everything needed to do ! so yes there good but only in the right hands


I love Rodney really mate... And I know air injectors are dated... I just love giving the arrogant remarks back even tho I know he doesn't mean it.. It's just the way he comes across... All in all top bloke..!
Old 16-08-2012, 06:50 PM
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Originally Posted by WongRS
i run an apexi avcr, awesome kit, i tell it 2.1 bar, i get 2.1 bar.
That's the one to have
No hit or miss there
Old 16-08-2012, 07:09 PM
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Originally Posted by WongRS
i run an apexi avcr, awesome kit, i tell it 2.1 bar, i get 2.1 bar.

So the egt's are rising, water temp is climbing but you still get 2.1 bar
Old 16-08-2012, 07:29 PM
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ecu control is the only way to do it right
Old 16-08-2012, 09:54 PM
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Originally Posted by GARETH T
So the egt's are rising, water temp is climbing but you still get 2.1 bar
Guess so. It's meant to be 2.3 though I believe.
Never on full boost for long anyhow.
Old 16-08-2012, 10:19 PM
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Originally Posted by WongRS
i run an apexi avcr, awesome kit, i tell it 2.1 bar, i get 2.1 bar.
Originally Posted by WongRS
Guess so. It's meant to be 2.3 though I believe.
Never on full boost for long anyhow.
Awesome
Old 16-08-2012, 10:33 PM
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Originally Posted by polly_x
Awesome
I'm not pretending to know much about the subject, just commented on what I have installed.
It's main purpose was to use the boost limiting facility in lower gears to help it grip, however we cant get a speed signal into it at the moment, i also like the option of 2 boost settings so I have the option to run lower boost if I want.
It's going for mapping soon so will all be set up properly then.
Old 16-08-2012, 10:54 PM
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Originally Posted by RS_matt
Because Rod just talks out of his arse... If he hasn't got it then it's all wank.!!!..when are people going to realise he runs a million pound one trick pony...I still want to see his one trick pony show me the light of day in my poxy T34 powered car (has he say..!)...beat me down the proper country lanes... Like proper cars should be... It wasn't a Rs to used in a straight line.


Rant over... Sorry but just seems if rods NASA 10 saphire doesn't have it then it's wank..!
I think when rods car is next up and running you should pm him about taking a trip down to basingstoke so you can have a ride out in it i 100% guarantee you would be totally gob smacked at just how fast a car can really be! and you will never look upon a big turbo,ed well built mapped and spec,ed cosworth as laggy ever again or see his car as a one trick pony!
Old 16-08-2012, 11:23 PM
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Originally Posted by WongRS
I'm not pretending to know much about the subject, just commented on what I have installed.
It's main purpose was to use the boost limiting facility in lower gears to help it grip, however we cant get a speed signal into it at the moment, i also like the option of 2 boost settings so I have the option to run lower boost if I want.
It's going for mapping soon so will all be set up properly then.
AVCR has 3 settings. Off, A and B. Speed signal is easy and doesn't need to be accurate as it just helps calculate a gear position. Just run a hall sensor counting something like driveshaft bolts. AVCR doesnt work or display bar either, it uses kg/cm2.

1 kg/cm2 is just under 1 bar which is maybe why when you want 2.3 on the avcr your actually getting 2.1 bar

They are pretty complex bits of kit that require plenty of fettling to get the best out of the features.
Old 17-08-2012, 12:15 AM
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I do not recommend aftermarket boost controllers. In fact I actually dislike them a lot!

On large turbos, air injectors with full ecu control and adjustable in car knob is quite simply the best system out there. And it all comes as a std option with pectel L8 and P8!
Old 17-08-2012, 04:01 AM
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Originally Posted by ajamesc
I think when rods car is next up and running you should pm him about taking a trip down to basingstoke so you can have a ride out in it i 100% guarantee you would be totally gob smacked at just how fast a car can really be! and you will never look upon a big turbo,ed well built mapped and spec,ed cosworth as laggy ever again or see his car as a one trick pony!


I'm really not bothered about going up a duel carriage way at warp factor 5... I bet it's nice has I know it's been done proper... But it doesn't interest me... I like a drivers car.
Old 17-08-2012, 05:16 AM
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Originally Posted by Karl
I do not recommend aftermarket boost controllers. In fact I actually dislike them a lot!

On large turbos, air injectors with full ecu control and adjustable in car knob is quite simply the best system out there. And it all comes as a std option with pectel L8 and P8!
im glad someone agrees with me
Old 17-08-2012, 06:11 AM
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Mat, Rod's car would still beat a T34 car round twisties, IMO - if I'd not been in it I'd agree!
Old 17-08-2012, 07:12 AM
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Originally Posted by polly_x
AVCR has 3 settings. Off, A and B. Speed signal is easy and doesn't need to be accurate as it just helps calculate a gear position. Just run a hall sensor counting something like driveshaft bolts. AVCR doesnt work or display bar either, it uses kg/cm2.

1 kg/cm2 is just under 1 bar which is maybe why when you want 2.3 on the avcr your actually getting 2.1 bar

They are pretty complex bits of kit that require plenty of fettling to get the best out of the features.
Cool, thank you.
We've got a proximity sensor picking up off a single bolt in what use to be the front CV joint, but it doesn't seem to get a signal from it at all. Surely that should work?
Old 17-08-2012, 08:00 AM
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Originally Posted by JamesH
Mat, Rod's car would still beat a T34 car round twisties, IMO - if I'd not been in it I'd agree!

Not down the twisties here it wouldn't and especially not with ROD driving....

ROd would be better coming with me as a passenger first then he will at least know if he can peddle it...!

Anyhow back on subject you MAD men.

Last edited by Rsmat; 17-08-2012 at 08:08 AM.
Old 17-08-2012, 10:33 AM
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Originally Posted by GARETH T
If I could have he perfect boost control system, I would ditch the amal valve/air injectors and the turbo actuator, and have an electronic linear actuator acting directly onto the wastagate
I've got a turbo smart E boost 2. IMO its perfect for my needs multi boost in gear setting and much much more. Takes a while to get used to it but they are good.
Old 17-08-2012, 10:52 AM
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Originally Posted by GARETH T
im glad someone agrees with me
I'm in the air injector camp too Gareth
Old 17-08-2012, 11:18 AM
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Originally Posted by Martin-Hadland
I'm in the air injector camp too Gareth

Same here..... Air injectors Barmy Army.....
Old 17-08-2012, 11:46 AM
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my race car as a bleed valve for boost control !! lol

the dam amal valve wouldn't control boost propperly on the rollers a few weeks ago, it seemed the chip installed wouldn't send it the correct signals(only seeing 1.3 bar on a t34.63 with 55lbs siemens) so the tuner fitted it to get me going and found 23bhp lol (the chip was from a different tuner)

steve
Old 17-08-2012, 12:53 PM
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Originally Posted by Martin-Hadland
I'm in the air injector camp too Gareth
You did all your record runs on a bleed valve! the same 'holy' brass one if I remember rightly!
Old 17-08-2012, 01:00 PM
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Originally Posted by Porkie
You did all your record runs on a bleed valve! the same 'holy' brass one if I remember rightly!



Love it..!! Keeping things simple
Old 17-08-2012, 01:02 PM
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Originally Posted by lmosleycosworth chevette
I've got a turbo smart E boost 2. IMO its perfect for my needs multi boost in gear setting and much much more. Takes a while to get used to it but they are good.
If you say it's perfect for our needs than I say you don't understand my statements
Old 17-08-2012, 01:38 PM
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Originally Posted by Porkie
You did all your record runs on a bleed valve! the same 'holy' brass one if I remember rightly!
Not quite true Chopster, I did the 194.7mph run using a bleed valve but the 200mph runs were done with hair injectors. Wow I just realised I've done 200mph, I'm gonna mention that in every post from now on


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