what injectors are best for my car? Hoping to increase boost to approx 13psi in the summer, currently got an induction kit, de-cat, mines ecu? Wheres the best place to buy these injectors?

 

Cheers, Dan

stock injectors good till about 15psi next upgrade up would be 550cc Nismo ones or similar. There is some UK suppliers however for injectors i would get them from the US as i believe there is a saving to be made that way

 

marty

If your running stock or mildly upgraded turbos stock injectors will be fine for that boost pressure.If your worried get the car dyno ran and checked.

cheers guys, dyno ran & checked? for what? I will be having a compression test before tampering with my boost first anyway

Checked to see what the air fuel ratio is under max boost,if the tuner advises its lean youll know a higher flow rate of injector will be needed.

i`ve got a mate who`s got a 400bhp scooby which still has standard injectors in it,he was told to keep them and run a decent fuel pressure regulator,he`s currently running 22psi of boost and if he gets the regulator he can run up to 28psi still on standard injectors,apparently its all about pressure and delivery not the amount you get in there....

i`ve got a mate who`s got a 400bhp scooby which still has standard injectors in it,he was told to keep them and run a decent fuel pressure regulator,he`s currently running 22psi of boost and if he gets the regulator he can run up to 28psi still on standard injectors,apparently its all about pressure and delivery not the amount you get in there....

 

Thats prolly pub talk im afraid,any car that has a tub that can run 22psi and is safe at 28psi would need a bit more than a fuel pressure increase on stock injectors.An upgraded fpr is pointless in most cases,its seen as the must have performance fuel item when more often than not its not needed,its prolly does more harm than good in most cases,uprated fuel pressure can slow injector opening due to the pressure exerted on the pintle.

i`ve seen the print out to prove the BHP and the lad who mapped the car won time attack series this year in his own scooby so its not pub talk at all.....

i didnt say the power was bullshit did i ?? im saying that any car that has a tub capable of running 28psi wont be doing it on stock injectors unless they have a huge flow rate to begin with,STI,s run 555 iirc and i have never heard of anyone running pressures that high on those flow rates,thats 740cc + material.

not hard to get 400 brake on stock injectors however id want alot more return than that at 28psi

Duncan Graham seems to think different and he seems to be the man at the min.....not many people will disagree i`m sure..at the end of the day all i`m saying is that you shouldn`t give up on your stock parts until you`ve got the most out of them....i`m sure you`ll agree

Of course that is why Jimmer was saying to get the car dynoed and checked however stock injectors are still only good for 16psi max on a zed there is no grey area that is all you will get