Long term stability of the KTA 14mm head?

[mhuppertz]

I am thinking down the road a bit when it will be time to grenade more parts, and was wondering what the longivity of the KTA 14mm head is on the street? Could it be used on a daily driver?
Thanks,
Mark

[cummins king]

yes but you have to have alot of fuel moving through it to keep it lubed and cool, you will also need very large injectors to move the fuel, when i have mine up and running again, it wont be a daily driver, but a every other day toy

[mhuppertz]

yes but you have to have alot of fuel moving through it to keep it lubed and cool, you will also need very large injectors to move the fuel, when i have mine up and running again, it wont be a daily driver, but a every other day toy

What if the fuel ran through a cool can before the pump?

[cummins king]

far as i know nobodys ever tryed it, nothing ventured noting gained, right, but the idea behind the 14mm is to move more fuel so you want to have big injectors, witch moves the fuel to keep it cool

[ford69557ci]

after hundreds of runs on the test stand mine still looks like new i think the key to keeping one together is a good high flow fuel supply system and large enough injectors to keep all of that extra volume moving. I even ran 10 test with some injectors set at p pump pressures and it didnt hurt the h&r any but it also had no improvement on flow.

[mhuppertz]

after hundreds of runs on the test stand mine still looks like new i think the key to keeping one together is a good high flow fuel supply system and large enough injectors to keep all of that extra volume moving. I even ran 10 test with some injectors set at p pump pressures and it didnt hurt the h&r any but it also had no improvement on flow.

Do POD's flow enough to keep the 14mm cool?

[cummins king]

sorry but no 6x15 is probaly the smallest you would want to go, if you dont flow enough fuel you will have catostrofic faliur

[g1625s]

Wouldn't overall flow through the pump have something to do with the overflow valve as well? A custom-regulater OF valve with a big return line should be able to move a ton a fuel through the pump, regardless of injectors. I understand the idea of a 14mm plunger trying to push through a small injector, but are these things really that sensitive that it'll just grenade itself idling because the injector provides too much resistance?

[g1625s]

Double post, sorry

[cummins king]

i dont think that its that sensitve, its just needs lots of fuel flow to keep it cool, thats why in another post i thought of opening the holes up on the return line banjo so you can flow more fuel and not waste it by pouring black smoke out of the tail pipe, but nobody liked my idea

[ford69557ci]

lol the black smoke doesnt fly unless you push the go pedal and make it smoke. i dont see why anyone would want to make the 14mm work with small injectors??? Last time i checked the 14mm h&r was for increasing the fuel to spool some big turbos and make some big power. So why spend all the time and money of installing the thing if your gonna try and cork it down?

[g1625s]

I'm looking at it this way....beyond PODs or DDPIV's, we're basically looking at custom injectors at, what, 800 bucks and up, give or take? If a fella can spend 600 beans on a 14mm setup and decent fuel delivery system, he should get more juice through those PODs (or whatever stick) right? It seems the 12mm setup is the limiting factor, not the injector. I know I don't post over here often and I'm really not trying to stir the pot, it's just that for this price:

http://www.rocken-tech.com/RotorHeads.html

I'd be willing to slap one on my spare pump with some PODs and see what happens. It'll be cheaper than custom sticks...

[swank]

i've been driving my quite a bit over the last two years. not a single problem. at least other than that runaway. that didn't have anything to do with the head though. i can attest to it being capable of 5000 rpm though.

[burnt_servo]

i've been driving my quite a bit over the last two years. not a single problem. at least other than that runaway. that didn't have anything to do with the head though. i can attest to it being capable of 5000 rpm though.

what size of injectors are you using , and do you think heat is really an issue in the pump it's self ?

[ford69557ci]

when i hit a little over 5k thats when my rods went flyin lol. i think with the right tuning a set of 435's might be ok with a 14mm h&r. And fron new era those are 490 bucks and ddp4's are not cheap so if you was goin to do thatmight as well have new era do up a set of custom edm's for 700