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injector size

Postat: fre apr 05, 2024 5:31 pm
av bmw2101
I have a b230 with the E type inlet, it has a 300 deg t5 cam in it, upped the compression, im hoping for 160-190 bhp out of it. I had the volvo t5 injectors in it, but they are damaged. They are expensive here now , what CC of injector should i be looking at. M3 ones are 263CC but im not sure if they are big enough as i the T5 ones were 345CC

thanks

Re: injector size

Postat: fre apr 05, 2024 10:12 pm
av The
What kind of efi system are you running

Re: injector size

Postat: fre apr 05, 2024 10:15 pm
av bmw2101
microsquirt, sorry forgot to say. its all programmable

Re: injector size

Postat: lör apr 06, 2024 8:25 am
av The
I would go for something in the 400cc range giving a bit extra headroom.

Also depends on if you are planning to buy new or source it from the junk yard

Re: injector size

Postat: lör apr 06, 2024 9:13 am
av Steve

Re: injector size

Postat: lör apr 06, 2024 9:28 am
av fulsnut

Re: injector size

Postat: lör apr 06, 2024 11:09 am
av bmw2101
thats fantastic, ive found some on ebay here in England, £135, i take it these are cone type spray pattern? thanks



Part number: Siemens Deka 9179379.
Please check your own injectors are identical before purchase.
Flow rate: c.360cc/min at 3 bar of pressure.
Resistance: c.15.3 Ohms (high impedance).
New parts fitted: Filters & o-rings.
Quantity: 4 (one set).
Test report: Included (see images for example).
For: Volvo S40 & V40 models using the 1.9/2.0 T4 turbo engine.

Re: injector size

Postat: lör apr 06, 2024 11:29 am
av fulsnut
Strange :roll:

Green 9179379 440cc

Grey 9179379 340cc

Red 9179379 315cc??

Unfortunately i have red :snyft:

Re: injector size

Postat: lör apr 06, 2024 5:12 pm
av fulsnut
It's embarrassing, didn't see Steves :doh: :oops:

Re: injector size

Postat: lör apr 06, 2024 6:34 pm
av bmw2101
well thankyou both! ive ordered the grey ones, even though it says 360cc in the ebay advert.