Guest ON3GO Posted July 3, 2006 Share Posted July 3, 2006 http://dsmtuner.com/forums/showthread.php?t=145691 some good reading. i for one would love to know in writing which Holset from what year truck will flow the most that us L guys can even use. i know post-2002 and pre-2005 or around those years the HY35w was different. Later year HY35w's seem bigger then the post-2002 years. also how much smaller are HX35's compared to HY35's... would be nice to know so when we go shopping for one we atleast get the right one were looking for. im looking for a HX40 right now mike Quote Link to comment Share on other sites More sharing options...
zguy36 Posted July 3, 2006 Share Posted July 3, 2006 Arizona Z still has a couple GT40's!! Quote Link to comment Share on other sites More sharing options...
Guest ON3GO Posted July 3, 2006 Share Posted July 3, 2006 looking to make more power then what those can produce, atleast from what ppl say in that thread. mike Quote Link to comment Share on other sites More sharing options...
rustrocket Posted July 3, 2006 Share Posted July 3, 2006 I picked up my holset hx35 from a 1999 dodge 2500. I also have a rebuilt H1c that's waiting to go on my volvo 740 wagon. Quote Link to comment Share on other sites More sharing options...
NCchris Posted July 3, 2006 Share Posted July 3, 2006 This is a 50 page thread from Honda-Tech. There is some techincal info if you are patient enough to get thru the thread. http://www.honda-tech.com/zerothread?id=1225182 HTH chris Quote Link to comment Share on other sites More sharing options...
mtcookson Posted July 6, 2006 Share Posted July 6, 2006 also how much smaller are HX35's compared to HY35's... HX35 is slightly larger than the HY35. The exhaust housing is usually a 12 cm (supposed to be roughly a .80 a/r equivalent) while the HY35 is a 9 cm (roughly a .55 a/r equivalent). The HX35 always has a dual scroll turbine housing while the HY35's is always a single scroll. The HX35 compressor housing is supposed to be roughly a .70 a/r while the HY35 roughly a .60 a/r... both flow the same maximum amount of air though, being .46 kg/s or 60.8 lbs/min. I'd say the difference is in the locations of the peak efficiency between the two. They both have an anti-surge compressor housing but, stock, have a sort of ring covering that part to reduce noise. It can be taken out to regain the "anti-surge" design. Both have a T3 style turbine inlet flange. Another way of telling the HX/HY apart is the HY35 uses a V-band clamp to hold the turbine on, HX35 uses bolts. HX40 is supposed to have a 1.00+ a.r turbine, .70 a.r compressor, and flows .53 kg/s or 70.1 lbs/min. I believe the HX40 uses a T4 style turbine inlet flange. Quote Link to comment Share on other sites More sharing options...
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