Small Ball Bearing Turbo?
#13
Re: Small Ball Bearing Turbo?
Originally Posted by Pdub383426
I think it's only around 8 or 9 psi of oil? It's a dry sump.
With hours of riding, through the Rpm ranges of 2000-10000 do you guys think a journal turbo can live as long as a ball bearing?
With hours of riding, through the Rpm ranges of 2000-10000 do you guys think a journal turbo can live as long as a ball bearing?
Journal bearing turbochargers are relatively simple and can be re-manufactured with a somewhat decent rate of success. If it's a complete failure though; even the journal bearing turbos are so expensive to repair it's not worth it. If you have the money to be buying $1000 turbos that may still fail, then by all means go with a ball bearing cartridge. Just my $0.02
#14
Re: Small Ball Bearing Turbo?
dood you dont even NEED the ball bearings. 9 out of 10 dentits recommend you hookup your coolant lines to the oil lines, itll run hella cooler and the turbo will spin faster because of the water wheel effect!
#15
Re: Small Ball Bearing Turbo?
Originally Posted by crx2211
Those conditions you described are about as worse as any I've heard a turbocharger have to perform in. It's no coincidence you've been going through turbos and the one that survived is ball bearing. These guys all hate on ball bearing turbos, but they do indeed require less oil pressure to maintain lubrication.
An oil pump that would raise oil pressure 8 psi is cheaper than a singl turbo. Do the math.
#16
Re: Small Ball Bearing Turbo?
Originally Posted by Joseph Davis
Most modern journal bearing units need 15 psi, same as the baller bearing ones.
An oil pump that would raise oil pressure 8 psi is cheaper than a singl turbo. Do the math.
An oil pump that would raise oil pressure 8 psi is cheaper than a singl turbo. Do the math.
So I should try routing my coolant lines to my turbo instead of oil?? I'm running a non-intercooled set up right now, would that make my coolant hot as sin?
I like the turbo on here, it's lasted me quite a while, it just doesn't start making boost until 6500rpm..... and going up and down hills with large amounts of load on the motor.... for hour on ends, I just want something to last a little while.
But if you guys think a journal turbo will last as long as a bearing turbo and I'm more than up to try for it.
Like I said I'm learning as I go along.... any advice is appreciated
#20
Re: Small Ball Bearing Turbo?
Originally Posted by Pdub383426
So I should try routing my coolant lines to my turbo instead of oil?? I'm running a non-intercooled set up right now, would that make my coolant hot as sin?
sounds like you need more oil pressure, so im thinking your best bet will be to buy a new oil pump that can get the pressure you need.