Which HT3B for twins?
06-13-2008, 08:14 PM
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Which HT3B for twins?
I just got a great deal on all the piping for a stocker/3B kit except the hot piping from the stocker to the 3B. Im going to be using an external wastegate between the stocker and the manifold and plumbing it into the hot piping to the 3B. Is there a specific 3B that I should order? Im after something that will spool great and support 650 hp? Anyone have any input. Thanks Joel
06-14-2008, 10:40 AM
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Everyone that Ive talk to has gotten the 26cm and have never complained about lag at all. Talk to soulezoo he had a piers set of twins with hx35 on top I believe. It's a good Idea going with the external gate but it's not necessary When you could gate through the top charger.External is for sure the better way though.
06-14-2008, 11:44 AM
#5
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There are people with more knowledge on this than me and I could be a little off, but here is my opinion:
If you are stuck on the smaller EH housings, I would go with the Bht3b with 22cm... it has an undivided exhaust housing. I would rather see the 26cm as well to flow more exhaust/less back pressure. 22cm will spool faster at a lower rpm rate... get it on line sooner. If you do this route, I would recommend an external wastegate on the lower turbo as well to control boost and back pressure. If you go the 26cm route, this is not necessary. I think with those big sticks you have you really should do the 26cm. The "B" in the Bht3b is a slightly different compressor/turbine match that gives it a fatter map and a little faster spooling than the regular ht3b. The trade off is slightly less total air; a worthwhile trade off IMO.
If you are stuck on the smaller EH housings, I would go with the Bht3b with 22cm... it has an undivided exhaust housing. I would rather see the 26cm as well to flow more exhaust/less back pressure. 22cm will spool faster at a lower rpm rate... get it on line sooner. If you do this route, I would recommend an external wastegate on the lower turbo as well to control boost and back pressure. If you go the 26cm route, this is not necessary. I think with those big sticks you have you really should do the 26cm. The "B" in the Bht3b is a slightly different compressor/turbine match that gives it a fatter map and a little faster spooling than the regular ht3b. The trade off is slightly less total air; a worthwhile trade off IMO.
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06-14-2008, 07:42 PM
#8
DTR 1st Sergeant
Spool up with the 3b and right setup with enough fuel (which you have for sure) is not bad at all. Lots of places sell these things but make sure you get one for your purpose.. that means going to a diesel shop unless the turbo shop guy knows what he is doing with diesels.
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