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Old May 5, 2005 | 03:15 PM
  #11  
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the trailblazer is smaller and the pump of the converter welds to the inside not the outside as this converter is.
and the converter shown is a 4.8 converter that will stall to 2100 2200 in a 5.3 and 2400 2500 in 6.0
and the trailblazer converter is worth $100.00 as a core to the dealer so he is selling it for $85.00
the 4.3 converter is a $35.00 core so if it is rebuilt he is selling it for 150.00 thats about right for a stock unit
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Old May 5, 2005 | 03:54 PM
  #12  
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Originally Posted by Yank
the trailblazer is smaller and the pump of the converter welds to the inside not the outside as this converter is.
and the converter shown is a 4.8 converter that will stall to 2100 2200 in a 5.3 and 2400 2500 in 6.0
and the trailblazer converter is worth $100.00 as a core to the dealer so he is selling it for $85.00
the 4.3 converter is a $35.00 core so if it is rebuilt he is selling it for 150.00 thats about right for a stock unit
So, are you saying its a 4.3 or a 4.8 converter? It rasied the stall on my 4.8 about 400 rpm. It did make a SOTP difrence in my truck. But the one I got did have the pump (front half of the verter? ) welded to the outside of the rest of the converter.
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Old May 5, 2005 | 04:19 PM
  #13  
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Originally Posted by kbracing96
So, are you saying its a 4.3 or a 4.8 converter? It rasied the stall on my 4.8 about 400 rpm. It did make a SOTP difrence in my truck. But the one I got did have the pump (front half of the verter? ) welded to the outside of the rest of the converter.
4.8 is correct ---typo
the pump is the part with the hub shown facing up in photo the weld is around the converter on the outer dia, because the pump is larger than the cover.
a trailblazer the weld inboard as the pump is smaller than the cover
http://www.converter.cc/inventory/SUVS/thruster.jpg
this is the pump in the cover as the tb unit is
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Old May 5, 2005 | 04:34 PM
  #14  
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OK I see the diffence. Maybe for 2004 GM changed verter for the TB?

FWIW, it does make a diffence in my truck over stock guys.

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Old May 5, 2005 | 04:58 PM
  #15  
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I just pulled a 2004 5.3 TB EXT converter out of stock and it is like the one in gold photo
so you can have two size converters in a TB but the smaller one is the more costly of the two
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Old May 5, 2005 | 06:11 PM
  #16  
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Ok, all this talk about this converter made me want to go you and verify my numbers with it and my truck. Just a little FYI my boost gauge and tach are side by side so I can see them both at the same time easily. I have the truck in sig, all stock other then the transgo shift kit, vette servo, this stall (DACCO B-85 VJCX), STS with T60-1 turbo, running 7 lbs of boost 43# injectors 255 fuel pump, OBX FMIC, and supporting mods. With the stock verter, I could barely get 1 lbs of boost brake staking it to about 19-2000. So I put it in 4 wheel drive (nice for launching ) and with this stall, and the turbo not really warmed up I could get 5 lbs of boost and 2500 stall and a hard launch. The next run, with the turbo hot, I got 6 lbs of boost and 2600-2650 stall and a little bit of 4 wheel tire spin plus a really hard launch. After the 2 launches switched back to 2 wheel drive and from about a 15 mph roll hammered it and when the boost hit, it left 2 8-10' tire marks, and it never did that with the stock stall. That's my report on it, take it for what its worth, but I'm happy and can still tow what ever I want.

Also, I'm at 4800 ft elevation and have a very rich tune (about 9.9 to 1 WOT) when I get it retuned, and get down to sea level, I should see even more performance out of it.
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Old May 5, 2005 | 07:10 PM
  #17  
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the VJCX code you have shows to be the small TB converter but your stall #'s are low for it,
it will be at 5 lbs of boost stall to 3000 to 3200 and at sea leval to 3500 but the TB converter is not furnace brazed like the stock converter that you had and the blades will move if you push it too hard and raise the stall higher as the converter clearances move around
Does the converter look like the gold photo ? or red photo or is the box marked wrong
Your truck runs great by the way!
I am trying to find out how they can sell a converter for $85.00 by giving away a $100.00 core in the price.
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Old May 5, 2005 | 08:49 PM
  #18  
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Yank
Just went and looked at it again as best I could through the inspection holes and it looks like the gold one as best I can tell. There were some hand writin numbers on the back of the verter that may make some since to you. The first was 2.025 (0may be a 6) and the second was 3.05 (5may be a 8). Do these mean anything to you? Here is the link to the auction I bought so you can see how it was advertized. What do you think this is?

http://cgi.ebay.com/ebaymotors/ws/eB...RK%3AMEWN%3AIT

He also said in his note in the box that it was not in the original box because that box was to bad to ship and the numbers on this box where for a stock stall, but that the stall was the 2050-2250 stall that he had sold to the SilveradoSS guys.
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Old May 9, 2005 | 04:28 PM
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Hmm, might have to get one of these. How would it act with the 5.3? I assumed that the 4.8 and 5.3 had the same converter...?
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Old May 9, 2005 | 06:49 PM
  #20  
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WILL THE Dacco B-85 VJCX FIT IN A 700R4? AND IF SO BEHIND A BLOWN 406 WHAT SHOULD THIS THING STALL TO, ANY GUESS'S.
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