...Of course you knew I was gonna be one of the people with bad experiences (i should have known my luck, the cars name isn't el diablo for nothing) it's really a shame because I was bragging to my friend how good they were and he kept telling me "bullshit". well after i finally got my car up and running on 17-20psi and only having small issues like lots of smoke until hitting boost, and late peak boost figures, I took my filter off today to find that my turbo has so much shaft play that it's rubbing on the housing. I'm guessing the incredible amount of oil is from a bad oil seal in the turbo. This on only maybe a few hundred miles at most.

just to run it by you guys, I never took the turbo over 20psi, I do not have a restrictor in. I have a -4AN feed line and a -10AN return line. The feed line comes from on top of the front side housing (stock location) and the return line goes straight to the stock location on the front cover. I never two stepped it and have always had really good oil pressure.

Anyways just thought i would tell you guys my masterpower experience. I'm off to buy a t70 turbonetics (so it doesn't screw with the tune) or I may just use this opportunity to get a borgewarner s366 and a fully divided manifold. Any suggestions?

 

you buy it brand new? or second hand?

 

brand new

 

Was it a real master power or a ebay fake-a-roo...

 

real one from a turbo distributor (not ebay)

 

I would get the optional Q trim while you are at it.

 

yeah that wouldn't be a bad idea at all.

 

Was this a journal bearing turbo? If so, did it have a 360 degree thrust bearing?

 

get a F series wheel for that T70.F1 68mm 10-bladed, high flow Inconel turbine wheel.

 

yeah it was journal bearing but I have no idea if the masterpower line of turbos come standard wtih a 360 degree thrust bearing. i do have a race oil pressure regulater. maybe too much oil for it?

 

where would one find these f series wheels? i may call up mike turbo too see what hes got

 

I seriously doubt it. The feed and return sounds perfect. Journal bearing turbos ride one a blanket of oil, so more oil the better in most cases. *Was the car ever boost leak checked after going togeather?*

They could be cutting costs like everyone else (google Toyota lol),trying to save that bottom line.

On a seperate note, I just picked up a billet wheel 6265 journal bearning from Percision so I'll give it a shot. We have a billet 6262 on one of our shop EVOs and its been great!

 

I'd love a billet 67mm turbo would be nice but sort of pricey. To be honest I've been looking at a t70 turbonetics on ebay that some dude had on his mustang for 10 passes. He's only had it too 18psi, no two step, no in and out shaft play, there is some normal shaft play but it doesn't it the housing etc.. etc... says he would get a rebuild on it but it would only need the shaft bearings. It's going for like 202 bucks right now. I mean you really can't beat that with a stick but of course for 1200 I could get a brand new one with a Qtrim wheel. Of course I'm wondering if maybe I could get that done when I send the turbonetics in to get a rebuild? Of course that turbo doesn't seem to really need a rebuild at all either though. I don't know decisions decisions.

 

Well at least you tried it out. I still have mine. I had a brain fart recently. I was under the impression my turbo was 67mm, in fact it is 70mm. Thinkin of upgrading to the 76mm drop in...

 

you still using the masterpower turbos? I don't know, obviously my luck and masterpower don't seem to get along very well but I know plenty of people that have had good luck with masterpower. Oh well. I'm thinking it's time to get a turbo with a qtrim wheel and fully divided manifold. I was sort of thinking th is already but when the turbo blew, it just drove the point home. What I'm kind of having a difficult time deciding is do I wanna stay with an older tech turbo like a t70 or do I want to move to something a bit newer like the borgwarner s366 with ETT and race cover.

 

well turbo, manifold, downpipe, and lines are off. Masterpower stamped on the compressor and masterpower hotside. Now I just gotta make decisions.....

 

Let me know how that 6265 runs, what size hotside? I have the ballbearing .96 variant

 

So what do you guys think. Stick with the log style manifold but this time go with an hks instead of a cheap ebay thing (though I couldn't find any cracks on it yet when I took it apart). Also would it be worth it to upgrade the turbine to a qtrim wheel and say a 1.15hotside? If I go with qtrim it's going to be about a 1200 dollar turbo. If I stick with a ptrim it would only be the a few hundred for the used turbonetics turbo I found and then a couple more for the rebuild. My hole build has boiled down to expensive or not so expensive. I was thinking that expensive was the way to go but after going to the last NSCRA event in floriday, most of these high horsepower cars don't have as much money as you would think however the turbo is the one of the parts they don't skimp on.... Hummm maybe I just made up my own mind.... Damnit.

edit: also just in case i wanted to rebuild this masterpower turbo. Is it the parts that I'm going to be rebuilding it with that make it a better turbo or is it just everything that makes the masterpower a bad turbo (sorry guys that have had good experiences with them) I'm now a masterpower hater

 

LOG style manifold works fine.

Seriously dont get another t70.

If your going to get another manifold,

get a gt3788r BB, awesome turbo for the street.

If you want some big top end either a gt4202 o a borgwarner s400-75 ETT 1.10 a/r rear.

 

ok tell me what you would get if you want a fun 500hp street car but aren't rich also reason I'm leaning towards getting another t70 is so i don't mess the tune up. I had to drive it all the way down to miami to get it tuned and the trip was less than thrilling after having two tires blow out on us while towing the car on a dolly. Don't want to have to do that all over again.

 

So exactly how well did you originally research your project such that you think a Master Power T70 is the same as a Turbonetics T70?

 

BW s366 ?

 

enough to know they are somewhat different sized wheels but not enough to through the tune off that much. I should be fine with a turbonetics t70. If it throws it off by too much I'll notice the afr lean in a few spots which I should be able to change those areas with no problem. I just don't want to have to change maps completely for a completely different turbo with completely different spool characteristics.

 

I've been thinking about that one. it would be a completely different turbo though...

 

I've been looking at it for quite some time now too. 500+ is very much doable right up to 600 if tune right. You can also get them for under 1k. As in tuning... well Im not sure.... why do you have to travel all the way to Miami for a tune?