JusMX141
Moderator
- 15,152
- 1,268
- Dec 13, 2005
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Greensburg,
Pennsylvania
Hahaha....we'll let the pics bring that answer to the table. Any of the "knife edged" compressors I've seen needed replaced.
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...and I meant I've never heard of this being done as a mod to add performance in any way.I meant knife edged the fins on the compressor wheel.
...and I meant I've never heard of this being done as a mod to add performance in any way.
Kamak and all the rest of them are all the same group in China, user beware. The "big 16g" compressor used to fly apart with great regularity, they responded by clipping the inducer edges of the blades, but its a material issue really. They arent doing any aero design work at all, just making parts that look like compressor wheels and sorta move air until they break, then you use a new one.
The shaft size should not vary from the center to where the bearings sit. If there is any wear on the shaft where the bearings are located, even as much as .001", this will translate into more play at the end of the shaft and may cause the wheels to rub the housing.
Also, be sure your center housing has not been machined to the next larger bearing size. If the turbo has been rebuilt before, some rebuilders will automatically hone the journals to the next larger size to be sure they're straight, much like boring an engine block assures straight cylinder bores. The result is you'd then need oversized journal bearings to fit the machined journals instead of the standard bearings.
It will be as good as any other oil-fed turbo as long as it's allowed proper cooldown time. Water lines on journal bearing turbos are only in place as a heat sink which allows the cartridge to continue to cool after the engine is shut down. This is why it's important if you do choose to run coolant that the lines move from a lower (cool) source to an upper (hot) source so the water will continue to move through the cartridge after the engine is turned off.
On a ball bearing turbo the coolant lines are basically mandatory because such little oil actually enters the cartridge, but on a journal bearing turbo they're an accessory whether the provision is on the cartridge or not.
Just to follow up: I can leave the ports for water provisions on the turbo open correct? No need to cap those?
You can't put a 6cm housing on a 13G.I'm realy considering going back to stock..I'm drunk in this post also..Would I benifit form a 6cm turbine housing on a 13g at 14psi??