HELP precision 6776 e OIL RESTRICTOR
#1
HELP precision 6776 e OIL RESTRICTOR
its an entry level precision journal bearing turbo i was reading different things about running a oil restrictor could anyone please give me some assistance on this?
#2
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Re: HELP precision 6776 e OIL RESTRICTOR
A 6776 is anything but "entry level". You're going to continue to read different things about the precision turbochargers.
You can call Precision Turbo and Engine, and the first person answering the phone will say its not necessary to run one at all. They will not ask you your application, nor will they ask you what your oil pressure is, and most of all, they will say that whatever anyone else says is wrong.
You'll need to know what your oil pressure is at cold start, (an engine application would help first), what oil feed line size you have, and what oil pressure tolerances that the Precision 6776 uses. If its from pre-2006, you have a Garrett unit. If not, you'll need to know what the thread size and pitch is. Check around.
Good luck.
You can call Precision Turbo and Engine, and the first person answering the phone will say its not necessary to run one at all. They will not ask you your application, nor will they ask you what your oil pressure is, and most of all, they will say that whatever anyone else says is wrong.
You'll need to know what your oil pressure is at cold start, (an engine application would help first), what oil feed line size you have, and what oil pressure tolerances that the Precision 6776 uses. If its from pre-2006, you have a Garrett unit. If not, you'll need to know what the thread size and pitch is. Check around.
Good luck.
Last edited by TheShodan; 03-30-2015 at 06:59 AM.
#3
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Re: HELP precision 6776 e OIL RESTRICTOR
and when the seals blow because of too much pressure they will say its oil starvation, and when the seals blow when you restrict the pressure they will stay oil starvation, and when the shaft breaks they will say oil starvation. and when there are no oil related signs they will say improper usage, installeror tuner.
the moral of all that is go with a professional turbo brand such as Garrett or Borgwarner. screw all these experimental brands such as Precision turbo. CX racing and Precision are turbo partners. LOL CX has better customer service, lol.
I know I'm a bastard and many will be mad at my response. but I just don't give 2 f#@k$
the moral of all that is go with a professional turbo brand such as Garrett or Borgwarner. screw all these experimental brands such as Precision turbo. CX racing and Precision are turbo partners. LOL CX has better customer service, lol.
I know I'm a bastard and many will be mad at my response. but I just don't give 2 f#@k$
Last edited by rudebwoy; 03-30-2015 at 03:03 PM.
#4
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Re: HELP precision 6776 e OIL RESTRICTOR
If at any point in time your engine oil is up over 65 psi you should run a .065 restrictor for journal bearing application on a precision or garrett unit with a -4 feed
#5
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Re: HELP precision 6776 e OIL RESTRICTOR
When turbochargers start to get large over 67mm size as a journal bearing, .80" would be a start because a larger turbine shaft is being used.. this is where it will get confusing for the OP; we don't know if they are using a big shaft or the standard one. .
#7
Re: HELP precision 6776 e OIL RESTRICTOR
it is the 360 journal bearing with the MFS blades would that help because I'm going to run a .65 as of right now i hope it isn't to small and it dries up
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Re: HELP precision 6776 e OIL RESTRICTOR
Actually the 2 sizes (-3AN or -4AN) won't matter if it's restricted with the same size restrictor, as it becomes the same pressure at the inlet point. The reason more people were using -4AN is because most aftermarket inline oil filters come in that size.
When turbochargers start to get large over 67mm size as a journal bearing, .80" would be a start because a larger turbine shaft is being used.. this is where it will get confusing for the OP; we don't know if they are using a big shaft or the standard one. .
When turbochargers start to get large over 67mm size as a journal bearing, .80" would be a start because a larger turbine shaft is being used.. this is where it will get confusing for the OP; we don't know if they are using a big shaft or the standard one. .
On say a precision 6785 what size orifice would you recommend? I know something like the bot warner 6783 they want a -4 no restrictor on the big borg Warner stuff
#10
Re: HELP precision 6776 e OIL RESTRICTOR
so what would you say for the 6776 i think I'm just going to try the .65 i searched all over and people are saying go a little smaller then that to .50 which they had to make there own because they don't make any sizes like that so i was going to go with the vibrant performance .60 reducer and see how i make out no matter where u look it says both no reducer and some say reducer people have mixed opinions on it so I'm going to the dyne at evans tuning on april 13th which sucks cause ima miss honda day at atco raceway. but hopefully this works out and i don't burn this turbo up i was really looking for someone that used this specific turbo on a b series engine and see what they used a reducer or not thanks again
#13
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Re: HELP precision 6776 e OIL RESTRICTOR
Mine is 1/8th NPT. Dont necessarily need a restrictor though. Could pretty easily just put a regulator in line with a gauge and get exactly the pressure you want.
#14
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Re: HELP precision 6776 e OIL RESTRICTOR
Remember, though. Yours was technically a Garrett CHRA. The OP more than likely has a full Precision Turbo & Engine product
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