mdvaldosta

Listen bud, this thread did not go off topic, it is right on topic and the reason I am correcting you is because you are full of sh*t, now while I'll give you alittle credit because 80% is the "ideal" duty cycle - the "max" (which is what were talking about) safe duty cycle for most injectors is generally accepted to be 90%, and that includes every injector used on a Ford 5.0 or 4.6 engine. If I have a personal issue with you then I will pm you, but if its about this subject I certainly will post for all to see.

Quik

you just said your correcting me cause of im full of **** but you used my same info that i stated. you never want to max out your injectors no matter what type of vechicle or engine it is. when you start running greater then 80% of the duty cycle is when you need to step up to larger ones. now if im full of **** show me im wrong. you got the time you do it but have fun

mdvaldosta

Ok, I accept that challenge. First, lets start off by asking how you, oh mighty one, came up with your claim that the stock injectors are good for 300 hp at 80% duty cycle. You claimed here in this thread that 80% is max, and you claimed in this thread RIGHT HERE that:
so now that we have that out of the way, lets do some basic math shall we?

First, since your so smart Im sure you already know that Ford rates their fuel injector flow rates at 39psi. Secondly we know that were talking about 19# injectors and that a typical NA performance engine has a BSFC (brake specific fuel consumption, though Im sure you already knew that too) of .45. So lets do some math shall we?

19# x 8 injectors x .8 duty cycle / .45 = 270 hp

now lets try it my way...

19# x 8 x .9 / .45 = 304 hp

so you see, what we have here is a simple case of someone who doesn't know what the fvck their talking about (you) simply repeating two different peoples opinions on what should work ... only problem is that the two people you picked had different opinions! How and the hell can you get 300 hp out of 19# injectors with an 80% duty cycle??? You can't because the 300hp mark is achieved with the 90% duty cycle bish! Its not friggen possible to get it at 80% unless you bump the fuel pressure. So quit talking like you know better and remember when you told me this:

Thanks for threatening me, it gave me the motivation to own your ***. I want the last 15 minutes of my life back now please.

2001_SaleenS281_08

I think MD won.....LMAO! ohsoquick=owned[]

FoxGT

I'll agree with that Saleen. Can't we all just get a lung? My OE injectors are pieces o shat, not near enough fuel for higher rpm.

94Cbra

pwned

92BOOSTED

Damn ,,,
I would have bought tickets for that one.
Now everyone shack hands and be happy.

Rye

mdvaldosta

Well I do want to be sure everyone knows that its not a good idea to "try" for a 90% duty cycle - that around 70-80% is "ideal". The question was how much could the injectors support, as in maximum hp - therefore question of maximum duty cycle came up. I do apologize for the argument, I realized right away that this dude wanted an argument so I tried to back out of the conversation ... TWICE!!!! I tried to just leave it alone... but he kept pushing...

I woulda rather have had a healthy debate, not an argument where I'm threatened to "learn from him" ... and I wonder why he read this thread last night for an hour but didn't respond?

OneGearhead

idk man...you were in the right though........ive never seen him on here......but, he was owned. all said n done. now, you seem like you need a beer to relax. on the house

Redline03GT

Hows about you get bigger injectors after you do a few more mods...