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Originally Posted by Idaho CTD
I personally like combos that rip on the street for every day driving and light to light throttle checks. So I tend to go small. I might actually build a 62/71/13 and a GT42 as well to see how much better it is then the stock/42.
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Now that sounds interesting. Could you use just the internal gates on a setup like this?
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Originally Posted by Idaho CTD
The 42 is a bit small for most applications if your going for over 550hp or so IMO. It does spool crazy fast though. I would probably go with a 1.28AR wastegated housing on a 12v. The 42 is quite similar to the K31 except it has a better turbine wheel (10 blade versus a 12 blade) and a higher flowing compressor wheel (96lbs/min versus 90lbs/min.). So the compressor flow is the same as a S400 but with a 82mm turbine wheel versus a 96mm on the S400.
I got on it a bit harder today and saw 15psi by 1500rpms.
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You have my full attention now  Is this the regular gt4294? What would be a quick housing for a 24v?
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David
02 Dodge dually- mach 4's, 62/71/14, smarty, tst comp, F1 cam/springs and lift pump, South Bend 3250 diaphragm dual disk 12cb
542/1040 uncorrected 1/12/08
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