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Engine/Transmission (1998.5 - 2002) Switched from B1 to a KSB1B WOW

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Engine/Transmission (1998.5 - 2002) 47RE Transmission Problem ?

Engine/Transmission (1998.5 - 2002) ATS @ Bellflower Transmission??

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I have been running the B1 on my pickup for several months with good results, but have had some "issues" that I did not care for. My setup is used towing trailers where pulling power, mileage, and smoke are big concerns. I have an auto with a very tight converter for towing and 3. 54 gears. Not the best for getting a heavy load rolling on a hill or in the mountains. With a timing box and DDIIs smoke in these conditions is unacceptable. Normal stop and go on flatland results in some smoke.



With the B1 I have found at 1800 rpm and moderate throttle boost is around 4psi and egts are around 1100. In these conditions it is common to hear a choo choo constantly like it is trying to fall off the turbo. When in the mountains foot on the floor it will not stay spooled below 70 mph(1900rpm). I have ran it up to 70 on the floor and shifted into OD and had the turbo bark hard and start surging so I had to shift out of od and run it up to 75 before shifting into OD where it did fine.



With the KSB1B, 1800 rpm moderate throttle, 7-9 psi around 900 egt choo choo gone. Power was up because the boost was up. I got on a steep grade and put it to the floor while stepping on the brakes to drag it under 70 mph to see if it would fall off the turbo - I pulled it down to 1600 rpm and it NEVER fell off!!! It takes sudden movement or heavy low boost to make smoke, and it spools almost immediately and clears the smoke.



One more thing, driving empty with my right foot and the B1 in higher altitude results in a cloud that buries traffic and a truck that feels fully loaded. The KSB1B would leave a good sized puff of smoke and take off like normal.
 
1978 :--) That was many beers ago. Didn't know they were putten a Cummins in a Power Wagon back then. How much weight are you pulling?
 
Cliffman,

The Y2K is usually around 18,000.

The 1978 does not get out much, but usually hauls 27,000. It originally had a 440 auto.

The turbo is on the Y2K
 
78,



The "choo choo" you're describing, would you call it a moderate bark or chirp of the turbo? I'm having this same type problem with my KSB1-B if I lay into the throttle while in 4th gear lockup from slower speeds and low boost conditions (say 50-58 MPH and 0-10 PSI boost). If I just roll into the throttle, and don't mash it and make it downshift, when boost reaches 18-25 PSI I get a constant barking/jumping of the turbo. I think it's the turbo trying to overspool (DD3's and Comp will do that to the KSB1) and the engine not needing all the air yet. If I put more pedal to it and make it either downshift, or smoke out the road and start using the air, then the bark goes away as boost crosses 30 PSI and goes to +45 PSI.



I have a non-wastegated setup, and this condition happens at 4000' and 5000' elevation. Didn't try to replicate it when I was in Phoenix at lower altitudes.



Thinking about trying a bigger exhaust housing (standard) but don't wanna give up my spool. Depending on box setting and throttle-foot-heaviness, I begin building boost between 1400-1600 RPM's.



Josh
 
I ran the B1 for a while. It is a strong turbo,and took my nitrous runs and over 55psi of boost without problems,They are a noisy turbo though,between the barking and whine its a loud sucker. I didnt realize just how loud they were until i went to the twin turbos. I think the barking is the result of the heavy shaft/wheels ,and there is nothing wrong with it,its just the nature of the beast,I learned to live with it,and it never affected the performance or durability of it at all.
 
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Snowman,



I am in no way concerned with hurting my turbo from the barking. Kurt has assured me that I can't, and if in the unlikely event something was to happen, it would be fixed promptly. Like you said though, it's just an annoyance. I don't mind the sound of mine either. The only time I've actually noticed it since the day I put it on was the other night when I took a gal out to dinner in my pickup... she commented on the "whistling" coming from in front of her, and when I concentrated on it, it did become annoying, for a bit, but as soon as I stopped thinking about it, it was gone again.



Anybody know if Kurt has his wastegate actuator setup ready to go yet? Was supposed to be done a long time ago, but I haven't talked to him in a while. Need some more top-end flow outta my KSB1-B-2 for lower EGT's up here at 5k'.



Josh
 
Where can you get your hands on a B1 or KSB1?? How much do they cost?? How much HP do you need to run them?? Can you run them with stock headgasket??
 
From the man himself:

KD-RV & TRUCK PERFORMANCE INC. 505-534-0434



For the "Kwikest" Response Please call M-F 8:30 to 5:30



We now have a new Email address as the old address has been giving us trouble for months... ... .



KDRVTRUCKPERFORMANCEINC@MSN. COM



KSB-1 (Auto/KwikSpool) Average 300/325 Egt drop = 12cm2

B-1 Average 400 Deg Egt drop = 14/16 cm2
 
With the B1, I have ran several combinations from timing box only, stage 2 injectors only, timing and 2's, and timing super mentals and FMS. They all worked fine, but the B1 seems to like fuel, where the KSB1B works great with injectors only, as well as with alot of fuel.



It is definately the better turbo for my application, but the guys running the competition injectors would get along better with the standard B1.
 
Kurt has told me it is, and I will probably end up with the same someday. You end up running the B-1 with a B-2 I believe as the secondary. Chirs Sutton, csutton, is running the twin setup of B-1's and from what I can tell is very happy with it. If that setup is as unbreakable as teh regular B-1's are, then it's a no-brainer.



Josh
 
FYI, The Surging you guys have experianced is from the Turbo pushing more air at 1,800 rpm then the engine will accept. This is a side effect of the Large compressor and the early spooling that this turbo has for its size. It is rarely a problem except for some when towing below 2000 rpm on a grade. Usually a small change either in driving habits, a change in air filtration setup or a Housing change is enough to cancel it out. We also have a TOW Version of the B-1 that does not have this issue.



If you don't tow often it is not a problem and has only been a problem for less than 5-10% of those who do. Either way it's a easy fix :cool: :D



Also you do not need alot of fuel for any of the B-1's although they all will take as much as you can pump in!! Especially the B-1 "SP"'s (Sled Pull Versions):D
 
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