HHR SS Topics and information on the 2008-2010 Chevy HHR SS Turbocharged models.

Big turbo and cams on an automatic

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Old Jun 23, 2015 | 10:39 AM
  #11  
OshawaHHRss's Avatar
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Joined: 05-02-2014
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From: Oshawa, Ontario
Originally Posted by black Tara
if you email zzp they may give some advise. I know there's company right now that will go through the trans and gears put a bigger torque converter and make it a 3 speed. I read the article and was empressed, it can handle a lot more HP. I would definitely get a good trans cooler, like this one,
Transmission Rebuild Components & Cooling - MAPerformance


Tim
Wouldn't a higher stall smaller diameter torque converter be better? I daily drive mine and sometimes take it to the local track on lapping days, so I need the 4 speed. But the trans cooler is a good idea
Old Jun 23, 2015 | 02:15 PM
  #12  
2005HHRauto's Avatar
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From: City of Champions
Originally Posted by OshawaHHRss
You have the automatic? What turbo are you running? I know a small T3 isn't very easy on the transmission because it's so snappy.
Stock...
Old Jun 23, 2015 | 02:16 PM
  #13  
2005HHRauto's Avatar
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Joined: 04-26-2009
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From: City of Champions
Originally Posted by OshawaHHRss
Wouldn't a higher stall smaller diameter torque converter be better? I daily drive mine and sometimes take it to the local track on lapping days, so I need the 4 speed. But the trans cooler is a good idea
Stock Convertor is fine.
I can boost-launch off the line, holding 3,500 rpm...
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