Sarg

iTrader: (6)

Probably depends on the size feed line you have. I know BW recommends a -3 feed line on their T4 turbos, -4 feed line on their large frame T6 turbos.

Ferocity02

iTrader: (60)

I'll be running -3.

JoshuaGrooms83

iTrader: (2)

question on you guys running them already and specifically rear mounted, what kind of oil drain flange are you guys running cause the drain flange i got with -10an male end flange is too close to one of the bolts and i cant thread the an line on. do you guys rotate the compressor houseing or do you have some kind of flange that fits better?

T76s10

iTrader: (6)

I ran -8an for the drain and took out one of the bolts on the compressor side to fit it on there. Since we have oil pumps to drain our oil, we don't necessarily need -10an line. I can take a pic of my oil drain later and post it up

JoshuaGrooms83

iTrader: (2)

oh, im guessing with one bolt off id be fine with my 10an fitting, i was wondering what everyone else was doing

Ferocity02

iTrader: (60)

I noticed the same thing. Looks like you may have to tighten the hose end onto the flange first, then bolt the flange to the housing, and clock the housing so a bolt isn't hitting the hose end.

ren987

iTrader: (4)

you could be creating a boost leak. On my on3 turbo the compressor bolts go all the way through the housing I was going to leave one out also but instead I just removed some material off the head of the bolt and that worked fine.

T76s10

iTrader: (6)

Thanks for letting me know. no wonder why i can't make over 5lbs boost. I'll check it asap when i get home. I thought for sure it wouldn't matter

JoshuaGrooms83

iTrader: (2)

thats is a very good point. didnt think that. well, if i do run into a clearnance problem, ill defnitly go the "trimming" route over the leave it out one lol

T76s10

iTrader: (6)

It didn't even make a difference weather it was out or not. I have one in there now just in case

fastcars95

iTrader: (9)

My car just made 675whp with the On3 76mm .96 unit.
Best bang for the buck turbo

RedRocketZ28

iTrader: (19)

What's the full setup? How much boost were you running? Did it choke out up top on your LQ9? I am worried about the On3 not being sufficient enough on my LQ4.

fastcars95

iTrader: (9)

Here is my thread

https://ls1tech.com/forums/forced-in...o-results.html

I think its got more in it. Once I take care of a few things we are going to turn it up.

RedRocketZ28

iTrader: (19)

Nice man. Congrats! Makes me want mine done even more now.

Ferocity02

iTrader: (60)

Seems like it ran out of steam early according to the dyno graph. It's a pretty small turbine for a 6.0L. Also I wonder if the backpressure in the exhaust is opening the wastegate even without the pressure line hooked up? Anyone?

I wonder if going to the 1.15AR housing will help much. I have the same turbo going onto my 5.3L soon, liking these results!

RedRocketZ28

iTrader: (19)

Yeah, not an ideal turbo for a 6.0L. If it doesn't do what I want it to, then I will be upgrading the turbo next year.

JoshuaGrooms83

iTrader: (2)

NICE!! im not looking for anything near that but makes me feel better that the ON3 is up for the task. since im only looking for 8psi and 550ish out of my t76 ill have plenty on the table left when i decided to up the support mods for bigger power later. but for now a 550ish starting point with bone stock 98 ls1 is all im asking for

fastcars95

iTrader: (9)

It only appears to run out of steam because it blew out the gasket in the merge pipe. Also One of the 3 bolts bolting it to the truck manifold was backed right off.

Sarg

iTrader: (6)

Probably some pretty high backpressure too!

tta656

iTrader: (5)

with your fitment problems are you using hex head bolts,or allen head bolts