Comp Turbo
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Comp Turbo
Hi Guys,
I'm been looking around at getting a garrett from A-spec or BW EFR but the tuner I used suggested a company called Comp Turbo located in SoCal. They offer their turbos in triple ceramic ball bearing and oil-less designs. Has anyone used one or have any information/opinions on these guys?
I'm been looking around at getting a garrett from A-spec or BW EFR but the tuner I used suggested a company called Comp Turbo located in SoCal. They offer their turbos in triple ceramic ball bearing and oil-less designs. Has anyone used one or have any information/opinions on these guys?
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Ask Fris from lucky7 racing he has one on his FC making 380whp and has been road racing without any problems. He has costumers with these turbos that also seem to love them.
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Ive heard mostly good things about Comp. A few people had issues, but didnt really get into much discussion with them about said issues. Regarding them being the quickest spooling, I think its mostly theory or what people want to believe. I doubt tangible differences can be felt between dual and triple ball bearings, its a bit like a freight train pushing a car and being able to tell what tires it has on.
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Ive heard mostly good things about Comp. A few people had issues, but didnt really get into much discussion with them about said issues. Regarding them being the quickest spooling, I think its mostly theory or what people want to believe. I doubt tangible differences can be felt between dual and triple ball bearings, its a bit like a freight train pushing a car and being able to tell what tires it has on.
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Garrett uses stainless bearings. Ceramic bearings are generally more durable than stainless and will offer other advantages due to lower weight. Basic idea is lower weight means less friction.
Regarding the compressor maps, they use some off the shelf wheels and housings from other manufacturers, so the maps are easy to find if you know what you are looking for. Like other turbo builders, I doubt they will have maps of their billet compressors.
Regarding the compressor maps, they use some off the shelf wheels and housings from other manufacturers, so the maps are easy to find if you know what you are looking for. Like other turbo builders, I doubt they will have maps of their billet compressors.
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Yeah, I'm currently using Lucky 7 to do my day to day maintenance. They've been pretty good so far. I'm just trying to get some info about these turbos so I can have an informed discussion about the goods and bads.
As far as I can see, Comp Turbo is really only promoting a few technologies.
Triple Ball Bearing; (how much would this really help with spool? Without a compressor map, its hard to say)
Ceramic Bearings; (potentially stronger/resistant to thrust loads and more resistant to heat, they claim 2x-5x as durable)
Aluminium Billet wheel; (billet is technically stronger than cast by about 20%-30% in tensile strength, so if using the same safety factor, you could make it thinner, but there is a minimum thickness so I can't see to much weight savings from this)
rebuild-able/up-gradable; (this is always a plus)
oil-less turbo; (doesn't use an oil feed to lubricate the bearings, instead uses a high temp grease, which means less shearing loss from the fluid. Not sure if this is really the largest loss in the bearings and it does raise reliability questions)
I'm going to try to call comp turbo directly and see if I can get some compression maps.
As far as I can see, Comp Turbo is really only promoting a few technologies.
Triple Ball Bearing; (how much would this really help with spool? Without a compressor map, its hard to say)
Ceramic Bearings; (potentially stronger/resistant to thrust loads and more resistant to heat, they claim 2x-5x as durable)
Aluminium Billet wheel; (billet is technically stronger than cast by about 20%-30% in tensile strength, so if using the same safety factor, you could make it thinner, but there is a minimum thickness so I can't see to much weight savings from this)
rebuild-able/up-gradable; (this is always a plus)
oil-less turbo; (doesn't use an oil feed to lubricate the bearings, instead uses a high temp grease, which means less shearing loss from the fluid. Not sure if this is really the largest loss in the bearings and it does raise reliability questions)
I'm going to try to call comp turbo directly and see if I can get some compression maps.
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I tried contacting them directly, but unfortunately they've told me they don't give out compression maps. It's unfortunate because I won't be able to compare and size the turbo without them.
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The comp turbos are essentially a Innovative turbo. They just added a third bearing because Innovative still holds the patent for the old dual ball bearing CHRA.
That said they are still really good turbos and I plan to either run one of these or a Precision.
That said they are still really good turbos and I plan to either run one of these or a Precision.
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I'm having a call with Justin there on Monday. I'll update you guys with more info. I've seen some of their turbos in person at FSR and the manufacturing quality is really good. They used a forged billet that's machined to a 64 finish or better. If compared side by side to precision, the quality is night at day as far as machining goes. Hopefully I'll get a better feel for their turbos.
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