GT28 vs K24 pros and cons
#91
06-06-2009, 03:57 PM
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Join Date: Jul 2006
Location: Mississippi
Age: 41
Posts: 335
Rep Power: 45 
Tom -
K24/18Gs can now be managed with an upgraded wastegate with a straight bar vs. the normal kink that break after exposure to heat and moisture causing rust. I'd be willing to bet going to the straight rod would likely solve most of your reliability issues with wastegates. This option is as of about 1-2 months ago.
As far as the turbos go you really can't go wrong with either turbo. They each have their distinctive benefits, but anyone coming from a K16 setup will be equally impressed with either. It will be interesting to see the difference in track times, max hp, etc out of the Alphas. There is a significant price difference between a new K24/18G setup and Alpha using a BB cartridge as well (about 2,000-2,500 extra for the turbos last I checked).
-Wes
K24/18Gs can now be managed with an upgraded wastegate with a straight bar vs. the normal kink that break after exposure to heat and moisture causing rust. I'd be willing to bet going to the straight rod would likely solve most of your reliability issues with wastegates. This option is as of about 1-2 months ago.
As far as the turbos go you really can't go wrong with either turbo. They each have their distinctive benefits, but anyone coming from a K16 setup will be equally impressed with either. It will be interesting to see the difference in track times, max hp, etc out of the Alphas. There is a significant price difference between a new K24/18G setup and Alpha using a BB cartridge as well (about 2,000-2,500 extra for the turbos last I checked).
-Wes
#92
06-06-2009, 04:37 PM
He only had a 5 bar? I thought he'd have the same stuff you mentioned. At least injectors and a second fuel pump. That's really pretty damn impressive. I'd like to know how he would have done with some decent sized rims.
#93
06-06-2009, 04:54 PM
I just learned that DMaffo's run was at 1.3 bar with C16. And I know it was done in very cool, crisp air..
Art, that's a great time period, but especially at high temps like that...
Art, that's a great time period, but especially at high temps like that...
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991.2 GT3 RS Weissach Racing Yellow
991.2 Turbo S GT Silver
991.2 GT3 Chalk (Manual)
2022 Cayenne White
former 1972 911T white, 1984 911 3.2 Targa black, 993 cab white, 993TT arena red, 993TT silver, 996TT speed yellow, 991.1 GT3 white
www.speedtechexhausts.com
info@speedtechexhausts.com
Testimonials facebook SpeedTech Exhaust Videos
Last edited by John@SpeedTech; 06-06-2009 at 05:30 PM.
#94
06-06-2009, 06:27 PM
Yes, your car has the new actuators, unfortunately I forgot to take pictures of them before I was out on Wednesday/Tuesday so I'l have to pull some out of the box this week and shoot some pictures so people can see what I'm speaking of.
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