Which Turbo?
Because racetruck
Joined: Apr 2007
Posts: 2,786
Likes: 104
From: Monterey Bay, CA
With the 88mm wheel on both turbos the only real difference comes form the .84 vs the 1.0 housing. Yes the .84 will spool faster. However from the standpoint of friction mechanics a ball bearing turbo is more efficient. Its not a knock on your product, its just physics.
Former Vendor
Joined: Mar 2006
Posts: 662
Likes: 0
From: Surrey, BC
Dave, I would hope you are selling more of your in-house product. If not I would suggest getting a new sales staff. We have a full turbo facilty here at BD that sells turbos for everything from Smart cars to big rigs, so all turbos are in house and my sales staff have sold more Thrusters than I can supply so I think I will hold on to them for a while longer.
With the 88mm wheel on both turbos the only real difference comes form the .84 vs the 1.0 housing. Yes the .84 will spool faster. However from the standpoint of friction mechanics a ball bearing turbo is more efficient. Its not a knock on your product, its just physics.
With the 88mm wheel on both turbos the only real difference comes form the .84 vs the 1.0 housing. Yes the .84 will spool faster. However from the standpoint of friction mechanics a ball bearing turbo is more efficient. Its not a knock on your product, its just physics.
Thread Starter
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More Turbo
Joined: May 2006
Posts: 504
Likes: 1
From: Victoria BC, Canada
I have been looking all over for some TRUE performance specs and more detaild information on the BD. It is much easier to pickup here in Victoria B.C. Canada, however my concern was also about the bearing comparrision.
The Garrett lists 290whp @ 3000rpm (80 over stock)
and 550lbft @ 400 (130 over stock)
These numbers with performance chip and exhaust (which I have).
Right now my stock turbo comes in around 1700-2000RPM, what difference could a person expect with either of these turbos? What does the 1.00 A/R Turbine do for me vs the smaller one on the BD?
Also the BD claims 30% more flow, the Garrett claims 33% (not much difference).
I have found a place in the states that has refurbished Garrett with a wicked wheel (not sure what that is) for $1049 (however this might be difficult to get to Canada without big duty charges)
I appretiate everyone's input! Thanks for helping educate me!
The Garrett lists 290whp @ 3000rpm (80 over stock)
and 550lbft @ 400 (130 over stock)
These numbers with performance chip and exhaust (which I have).
Right now my stock turbo comes in around 1700-2000RPM, what difference could a person expect with either of these turbos? What does the 1.00 A/R Turbine do for me vs the smaller one on the BD?
Also the BD claims 30% more flow, the Garrett claims 33% (not much difference).
I have found a place in the states that has refurbished Garrett with a wicked wheel (not sure what that is) for $1049 (however this might be difficult to get to Canada without big duty charges)
I appretiate everyone's input! Thanks for helping educate me!
Because racetruck
Joined: Apr 2007
Posts: 2,786
Likes: 104
From: Monterey Bay, CA
Another idea would be to go with a van turbo and injectors for almost the same price as either of these turbos. Might be a little more. Clay could chime in on that one. All depends on your goals.
Former Vendor
Joined: Mar 2006
Posts: 662
Likes: 0
From: Surrey, BC
I have been looking all over for some TRUE performance specs and more detaild information on the BD. It is much easier to pickup here in Victoria B.C. Canada, however my concern was also about the bearing comparrision.
The Garrett lists 290whp @ 3000rpm (80 over stock)
and 550lbft @ 400 (130 over stock)
These numbers with performance chip and exhaust (which I have).
Right now my stock turbo comes in around 1700-2000RPM, what difference could a person expect with either of these turbos? What does the 1.00 A/R Turbine do for me vs the smaller one on the BD?
Also the BD claims 30% more flow, the Garrett claims 33% (not much difference).
I have found a place in the states that has refurbished Garrett with a wicked wheel (not sure what that is) for $1049 (however this might be difficult to get to Canada without big duty charges)
I appretiate everyone's input! Thanks for helping educate me!
The Garrett lists 290whp @ 3000rpm (80 over stock)
and 550lbft @ 400 (130 over stock)
These numbers with performance chip and exhaust (which I have).
Right now my stock turbo comes in around 1700-2000RPM, what difference could a person expect with either of these turbos? What does the 1.00 A/R Turbine do for me vs the smaller one on the BD?
Also the BD claims 30% more flow, the Garrett claims 33% (not much difference).
I have found a place in the states that has refurbished Garrett with a wicked wheel (not sure what that is) for $1049 (however this might be difficult to get to Canada without big duty charges)
I appretiate everyone's input! Thanks for helping educate me!
I am sure most here will agree with me on that, the part you need to weed out is the reliability factor. I am saying with the newer 360 thrust bearings they are every bit as reliably as the BB. Others here disagree and that is okay too, ultimately though that is where you should do your research, not on the performance differences because they are minimal.
PREMIUM SPONSOR
Joined: Feb 2009
Posts: 6,038
Likes: 73
I am trying to locate a compressor MAP comparing the two for you, I know we have one here somewhere. I can help you understand it if you-like but basically it is showing the GTP spooling up a little faster, the choke and surge lines are very similar with almost identical flow rates. To you this means that both chargers perform pretty much equally with the GTP spooling up a little faster and I me a little, it would be hard to notice the difference seat of the pants.
I am sure most here will agree with me on that, the part you need to weed out is the reliability factor. I am saying with the newer 360 thrust bearings they are every bit as reliably as the BB. Others here disagree and that is okay too, ultimately though that is where you should do your research, not on the performance differences because they are minimal.
I am sure most here will agree with me on that, the part you need to weed out is the reliability factor. I am saying with the newer 360 thrust bearings they are every bit as reliably as the BB. Others here disagree and that is okay too, ultimately though that is where you should do your research, not on the performance differences because they are minimal.
Post Fiend
Joined: Jun 2004
Posts: 9,293
Likes: 10
From: Parker, CO
That "Turbo Thruster" turbo sounds exactly like the knockoff TN JB turbo, otherwise known as the "Big Bad Wolf", the "U.S.A. Turbo", "Phat Shaft" turbo, and others.
I drove a truck with one. That turbo was laggier than the stocker, EGT's were high, and it made me wish for the stock turbo again. I saw no comparison in performance between that and the 38R. Not even close. The 38R runs circles around it, even with the larger turbine housing it still spools quicker.
A quick search on different forums, and many people report similar lag issues. That seems to be the biggest complaint.... lag.
I'm not knocking BD, since BD doesn't make the turbo. I'm knocking the turbo itself. I drove with it, and couldn't stand it.
The only thing it has going for it is that it doesn't surge, and it's pretty strong. But if performance suffers greatly, it's not worth it IMO. My 38R doesn't surge, and so far it's been running strong.
I drove a truck with one. That turbo was laggier than the stocker, EGT's were high, and it made me wish for the stock turbo again. I saw no comparison in performance between that and the 38R. Not even close. The 38R runs circles around it, even with the larger turbine housing it still spools quicker.
A quick search on different forums, and many people report similar lag issues. That seems to be the biggest complaint.... lag.
I'm not knocking BD, since BD doesn't make the turbo. I'm knocking the turbo itself. I drove with it, and couldn't stand it.
The only thing it has going for it is that it doesn't surge, and it's pretty strong. But if performance suffers greatly, it's not worth it IMO. My 38R doesn't surge, and so far it's been running strong.
Post Fiend
Joined: Jul 2005
Posts: 14,582
Likes: 12
From: 21791
To put it plainly, the BD "thruster" (of some other sort, in reality) is basically a hyped up version of the TN journal bearing turbo, that's no better than stock, i've had one. Set aside the difference in price, and the "ease of rebuilding" (about 5%, maybe, of garrett BB owners need to rebuild theirs, and thats rare) and the garrett 38R is just a badass little turbo. Ride in a truck with one and you'll be sold on it quicker than you can image. BD, stick to selling exhaust brakes imo
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Post Fiend
Joined: Feb 2006
Posts: 11,892
Likes: 2
From: Middle Tennessee
I am trying to locate a compressor MAP comparing the two for you, I know we have one here somewhere. I can help you understand it if you-like but basically it is showing the GTP spooling up a little faster, the choke and surge lines are very similar with almost identical flow rates. To you this means that both chargers perform pretty much equally with the GTP spooling up a little faster and I me a little, it would be hard to notice the difference seat of the pants.
I am sure most here will agree with me on that, the part you need to weed out is the reliability factor. I am saying with the newer 360 thrust bearings they are every bit as reliably as the BB. Others here disagree and that is okay too, ultimately though that is where you should do your research, not on the performance differences because they are minimal.
I am sure most here will agree with me on that, the part you need to weed out is the reliability factor. I am saying with the newer 360 thrust bearings they are every bit as reliably as the BB. Others here disagree and that is okay too, ultimately though that is where you should do your research, not on the performance differences because they are minimal.
Postmaster
Joined: Mar 2008
Posts: 4,158
Likes: 0
From: Paramount, Ca
I think that they do flow very similar, but at that price for another $400 you get peace of mind at higher boost levels and a bit more potential. With a good idea that you will be upgrading the inujectors those $400 extra dollars would be worth it to me.
Post Fiend
Joined: Feb 2006
Posts: 11,892
Likes: 2
From: Middle Tennessee
Yeah, that could be a fair statement if you look at the maps I had. Now I question those maps based on first hand experience from posts I have seen and what I have heard. All I am saying is I looked at that turbo and dismissed it for my needs. For the money, longevity and performance, it was a no brainer. Wheezer if you ask me. Let me see if I can post those maps AGAIN. I grow weary of posting them.
Postmaster
Joined: Jul 2006
Posts: 4,993
Likes: 2
From: Bend, OR
That "Turbo Thruster" turbo sounds exactly like the knockoff TN JB turbo, otherwise known as the "Big Bad Wolf", the "U.S.A. Turbo", "Phat Shaft" turbo, and others.
I drove a truck with one. That turbo was laggier than the stocker, EGT's were high, and it made me wish for the stock turbo again. I saw no comparison in performance between that and the 38R. Not even close. The 38R runs circles around it, even with the larger turbine housing it still spools quicker.
A quick search on different forums, and many people report similar lag issues. That seems to be the biggest complaint.... lag.
I'm not knocking BD, since BD doesn't make the turbo. I'm knocking the turbo itself. I drove with it, and couldn't stand it.
The only thing it has going for it is that it doesn't surge, and it's pretty strong. But if performance suffers greatly, it's not worth it IMO. My 38R doesn't surge, and so far it's been running strong.
I drove a truck with one. That turbo was laggier than the stocker, EGT's were high, and it made me wish for the stock turbo again. I saw no comparison in performance between that and the 38R. Not even close. The 38R runs circles around it, even with the larger turbine housing it still spools quicker.
A quick search on different forums, and many people report similar lag issues. That seems to be the biggest complaint.... lag.
I'm not knocking BD, since BD doesn't make the turbo. I'm knocking the turbo itself. I drove with it, and couldn't stand it.
The only thing it has going for it is that it doesn't surge, and it's pretty strong. But if performance suffers greatly, it's not worth it IMO. My 38R doesn't surge, and so far it's been running strong.
To put it plainly, the BD "thruster" (of some other sort, in reality) is basically a hyped up version of the TN journal bearing turbo, that's no better than stock, i've had one. Set aside the difference in price, and the "ease of rebuilding" (about 5%, maybe, of garrett BB owners need to rebuild theirs, and thats rare) and the garrett 38R is just a badass little turbo. Ride in a truck with one and you'll be sold on it quicker than you can image. BD, stick to selling exhaust brakes imo
Guys, it is NOT the same turbo... Its is a completly differant turbo.
That being said, lets buck the trend and get a turbo that WILL support 550-650 or more HP...
Modded H2e, IMHO (after running ALL the turbos mentioned in this thread for 30-40-50k) there is no better, tougher, cheaper, turbo out there. The thing is bullet proof, spools great, runs cooler then the 38r on my truck, loves boost, it quieter then the 38r and NEVER surges, stalls, chirps or talks back.
Post Fiend
Joined: Feb 2006
Posts: 11,892
Likes: 2
From: Middle Tennessee
Guys, it is NOT the same turbo... Its is a completly differant turbo.
That being said, lets buck the trend and get a turbo that WILL support 550-650 or more HP...
Modded H2e, IMHO (after running ALL the turbos mentioned in this thread for 30-40-50k) there is no better, tougher, cheaper, turbo out there. The thing is bullet proof, spools great, runs cooler then the 38r on my truck, loves boost, it quieter then the 38r and NEVER surges, stalls, chirps or talks back.
That being said, lets buck the trend and get a turbo that WILL support 550-650 or more HP...
Modded H2e, IMHO (after running ALL the turbos mentioned in this thread for 30-40-50k) there is no better, tougher, cheaper, turbo out there. The thing is bullet proof, spools great, runs cooler then the 38r on my truck, loves boost, it quieter then the 38r and NEVER surges, stalls, chirps or talks back.
I have a map for that one too.
Post Fiend
Joined: Feb 2006
Posts: 11,892
Likes: 2
From: Middle Tennessee
I just don't care enough about the topic Joe, thanks. If someone comes up with a map for it I will be happy to look at it and compare.