42lb inyectors or 60lb?

[iminhell]

I would say to only use Inj Calc's for a reference. What I mean by that is bigger can be better,,, but only if the injector is of very good quality.
You wan the car to idle well and you want to make good power. This requires that the injector cover a lot of ground, in PW. So you want very good control at very low PW's, for idle quality, and predictable flow at high PW's, for power.
That means you want to go with something that is either proven on a Focus (duratec by the sounds of it) or something that is well documented (which from what I hear Delphi is near the top of the heap).

So what I say to do is look for a an injector that flows well at very low PW's, is well documented and is still big enough to fit your power goals ... and try to go with the newest design possible, which in your case means that if it requires an adapter / it's not for you, stick with an EV6 style injector. Which is to say, you are doing the correct thing by selling the current 42# EV1 injectors you have.

[koke'sfocus]

well almost everybody uses the adapters but yeah i will look for some ev6 injectors

Originally Posted by iminhell

I would say to only use Inj Calc's for a reference. What I mean by that is bigger can be better,,, but only if the injector is of very good quality.
You wan the car to idle well and you want to make good power. This requires that the injector cover a lot of ground, in PW. So you want very good control at very low PW's, for idle quality, and predictable flow at high PW's, for power.
That means you want to go with something that is either proven on a Focus (duratec by the sounds of it) or something that is well documented (which from what I hear Delphi is near the top of the heap).

So what I say to do is look for a an injector that flows well at very low PW's, is well documented and is still big enough to fit your power goals ... and try to go with the newest design possible, which in your case means that if it requires an adapter / it's not for you, stick with an EV6 style injector. Which is to say, you are doing the correct thing by selling the current 42# EV1 injectors you have.

[koke'sfocus]

this are the two springs i have the one in the left should be the 7 psi right?

[koke'sfocus]

some one?

[1turbofocus]

Cant realy look at them and tell , need to test them

Tom

[Eastwood]

I've decided to buy Siemens deka 60 lb fuel injectors but stock with question what is the difference between long and short style and what connection is for zetec focus ? USCAR or bosh style?

[03OrangeSVT]

Originally Posted by 1turbofocus

I would do the 60lb hands down
Tom

As would I......