inj?

[cloneman315]

i have some injectors i bought used from someone of the board they are suppose to be75s,they all say like 67.2 etc on the sides i think this is when they were flow matched, so does that mean they are 75s even if they say 67 etc on them?

 

[RSpengler]

Re: inj?

Yes, they are 75's, the 67.2 is the flow rating at 90% duty cycle, where 100% would yield 75lb/hr.

75 * .90 = 67.5

-Rob

 

[cloneman315]

Re: inj?

i thought so thanks rob,so do they base all injectors at 90% instead of 100

 

[RSpengler]

Re: inj?

Probably depends on the place that builds/ tests them. When you buy them new, there is usually a sheet that lets you know what flowrate and at what duty cyle they were flowed at.
-Rob

 

[ghettosled]

Re: inj?

look on the top of the injector by the plug.. last 3 digits should be a 742 or 745 if its a delphi injector.. i'd have to look at my cheat sheet to be sure. any hand scriblled number on the side is from someone's bench testing.

 

[cloneman315]

Re: inj?

ahh i will check thanks mike so 742 or 745 is a 75 inj

 

[ghettosled]

Re: inj?

75# should end in 742.. just looked at my notes.