Got a flow rate listed for injector:

0-280-156-280

(also says 957 on the bit where the elitrical connector plug goes and 681 on the body)

 

Btt

 

I've looked, but its not listed on any of the info i have.

WTF is it out of?

 

Astra VXR

Likewise i cant find it anywhere else, but thought Phil might have access to data that the likes of us and google dont, lol

 

No go on that number main dealer (vauxhall) only part so cant get any info sorry

 

No worries, thanks for looking

 

Time to build a flow bench!

Pretty simple really if you have a spare fuel rail/reg and some measuring cylinders.

Could use a simple circuit with a maplins timer.

 

Not a bad idea that, but as ive already bought them, im going to put them in the car and see if the ECU can manage to learn them or not.

They are rumoured to be rated at 475cc, and ive seen the ecu learn upto 440cc, so should be ok hopefully.

Will have wideband on it all the time initially while its trying to learn them, so will see how it gets on i guess!


I know they are at least big enough for what i want (just over 300bhp), Im just worried they might be too big!

 

Chip..why worry about being too big?...I have 1000cc's in and get 3.5% co tickover on L8 or is your ECU more basic?

 

Sorry Phil, i didnt really give a lot of detail there mate.

Basically this is for my girlfriends car, which is a calibra turbo.

The ecu in it is actually far from more basic than an L8, its actually really quite clever, its "adaptive"

It looks at the corrections it is making during closed loop fuelling and uses them to alter its own internal injector scaling tables, so that if you fit bigger injectors, it "learns" them.

But there is a limit to how far it can adjust like this, and if you put an injector in that is too big, it wont be able to get the fuelling lean enough.

Obvioulsy a live map or new chip would sort this, but there are VERY few people who have the equipment to do that on this ECU (motronic 2.7, might even be the same as in your 348 as i know they are used in some ferraris of that era) so i was hoping to get away with an "off the shelf" chip if possible just becaues of the hassle/expense of her having to take it up to Stu.

 

My 348 runs 2 ECU's one for each bank...i have receipts to say its be chipped to take into account k&n filter element and decat sports exhaust..although i did here it self learns....

 

Very probably its the same system then

Still needs chipping for changes to the timing, its only the fuel it copes with (to a point) via the self learning

She has a chip anyway, but its intended for the standard injectors with the pressure wound up, which equates to about 400cc ish


Is yours on AFM or MAP?

 

Has 2 x air mass sensors

 

Gotta be the ulimate for "get you home" reliability then, even if one half of the engine dies on its arse you can still drive home on the other half

 

...yep...and you need it ..My mate said it sounded like 2 engines on tickover..bizarre...i think the 355 went to one ECU and there on.

 

355 on tickover sounds like someone shaking a can of nails

Doug had his idling at weston for a while before he went out, to warm it up, and everyone thought it was fucked. LOL

At least it proved it wasnt an Mr2, they purr like a kitten on tickover.

 

My god,

Was that actually a decent convo between Chip and Phil. Well done guys

 

That will be the flat plane crank. Fires like two four cylinder engines rather than a conventional V8.

 

Why the surprise?

We're all grown up DIYers here, not like you and Mike with your "my tuner is better than your tuner" nonsense

 

rofl DIYers yes. grown up im not so sure about. I never said my tuner is better than Mikes. I leave that for Rod to say

 

Its so wrong getting your grandad to fight your battles for you

 

 

lol

 

Phil, the 355's have TWO ecu's (both fitted to the inner bulkhead panel behind the seats)...and these ECU cases look exactly the same as L8 / P8....they have the same cast chassis with pressed alliminium lids/pozi screws.....just different Webber stickers.

 

Sounds like they took a step backward then Doug if they went from an ECU with self learning etc to a shonky old L8!

 

...oh ok i thought the 355 went to 1 ecu..maybe the later ones did?

 

Mine was a 1998 car.......and they only made them until 1999.

Chip, I'm not saying that an L8 / P8 was fitted to the 355's, only that the case/chassis & mult-pin connector was the same.

Also, I'm sure they were closed loop, I did notice 4 x Lamda sensors (2 per bank).

Oh, and PINK Bosch injectors were fitted

 

Interesting stuff, you should have got stu or karl to live map it

 

Mine also look L8 lol


The F40 run a pair of P8's and the Ducati 916sp run a P8 too

 

Pink?




:gayflag:

 

...also mine has 2 lambda bungs...it has about 0.8co at idle.

 

chip has me to pick on at the moment.

 

Graham, this post is 5 days old, or did you open it in your research to try and find where elvis lives now?