will L98 TPI injectors (22lb) work in the 3.1 fuel rail? i think i should get these if im going to cam it and bump up my fuel pressure. just wanted to make sure. thanks

 

I think that that big an injector will be WAY too big if all you are doing is a cam change. You will definitly run rich if you are also bumping up the Fuel Pressure. With the raised pressure, not only are you getting more flow from a bigger injector, but the pressure forces even more through while the injector is open. Others will certainly chime in on this with a better idea of this thing, but that's my $0.02

 

might wanna look into getting a AFPR for a TPI v8 and doing the minor modifications to make it work on the 60*6 and bump up the factory injectors, if you can't get a them to perform the way you want after that then think of the upgrade. Factory are 15lbers i think in the sixes, (3.1) the 2.8's are like 13lb, mustang 5.0's might be better choice, 19 lb...although i think new 3.8L mustangs are running 22 lbs from the factory...sad eh.

 

if you get the v8 AFPR from Holley you dont need to modify anything.

 

oh i thought the stock injectors in the v6 were 19 pounders just like the 305 tpis. in that case, i have 19lb injectors from my iroc, ill just use those. thanks

 

can you post some cam specs? my car runs rich with stock fuel delivery and a good sized cam. i'm just curious on the cam specs...wanna know what you got.

 

I put L98 injectors on my stock internal 2.8. lets just say my car ran richer than Bill Gates
Now I run, Fwd 2.8 injectors. Could never get my hands on a set of Rwd injectors.
Yes the L98 injectors will mate perfect with the 2.8/3.1 fuel rail and intake when installed.

 

maybe i shoudl pull the injectors from my northstar fuel rail and slap them in my lil' six...:d big ole' injectors doing lil ole work...wasteful yes, but fun, probalby not...= really black plugs. lol.

 

i dont know the exact specs. its cranes powermax for the v6, 1500-4500 rpm range

 

We're running 19 lb Ford injectors in Redraif's car...even with the 3.4 (cam/headwork) and the Holley AFPR, its still a little rich, but not too bad. I wouldn't go any larger than that on an NA 60 degree V6.

 

19lb is probably way too much for that cam even. bump up the fuel pressure a tad and leave the stock injectors and you should be fine. unless of course you're running some sort of power adder or something that you're not telling us about...
my cam is bigger than that one and as i mentioned above, i am running bone stock fuel delivery including computer chip and still run rich.

 

i see. well i guess thats good news, just less parts i have to buy. about how much power do you think i can squeeze out of that little sh*t-six anyway? a cam and roller rockers will help, does anyone make intakes or TBs for it?

 

nobody makes intakes yet and i think one place might make tbs but i don't remember who. powerwise...i had mine dynoed a few months ago...fully built 3.1 showed 134hp and 155tq to the ground but i'm a bit sceptical. i think it really has more. plus once i can get a chip made....those numbers should jump!