GMPP kit results - real results!
07-09-2010, 03:45 PM
#27
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Check this out (May 2009 release):
http://www.gmtunersource.com/compone...ch-upgrade-kit
http://www.crateenginedepot.com/stor...2-P2301C0.aspx
19212712 LSJ Clutch Upgrade Kit
This kit utilizes stronger components to create a package that will be less susceptible to clutch failure in your 2005-2007 Cobalt SS/SC and 2004-2007 Ion Redline with the MU3 Transmission.
This kit is capable of up to 300 hp and will give users better performance and more load capability because of increased surface area and extra clamping force.
The kit includes a heavy-duty clutch, pressure plate,throw out bearing, and bolts that are designed for easy remove and-replace ser
07-09-2010, 03:56 PM
#28
That or GM finally realized they're all a bunch of Asshats for putting weak Pressure Plates in our cars. 
That's the main problem with the LSJ's too. The Clutch Disk is from Exedy and is very strong... but they were combined with a weak pressure plate.
That's the main problem with the LSJ's too. The Clutch Disk is from Exedy and is very strong... but they were combined with a weak pressure plate.
07-11-2010, 03:05 PM
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Updated results with comparison
Since I had numbers for the Cobalt SS, I thought I should compare them with my C5 Z06. I went out this morning and completed the same tests on the same roads with my Z06. As you can guess the Z06 is significantly faster in a straight line. How much faster? Here ya go:
The time comparisons are the difference between the kitted Cobalt SS and my nearly stock C5 Z06.
Dog
The time comparisons are the difference between the kitted Cobalt SS and my nearly stock C5 Z06.
Dog
07-11-2010, 04:08 PM
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Since I had numbers for the Cobalt SS, I thought I should compare them with my C5 Z06. I went out this morning and completed the same tests on the same roads with my Z06. As you can guess the Z06 is significantly faster in a straight line. How much faster? Here ya go:
The time comparisons are the difference between the kitted Cobalt SS and my nearly stock C5 Z06.
Dog
The time comparisons are the difference between the kitted Cobalt SS and my nearly stock C5 Z06.
Dog
Interesting. It would have been nice to see 60-100 in 3rd, since there are a lot of #s out there using this range. You *can* however, pretty much extrapolate your # to get a pretty good idea of what you car can do in that range. 50-70 was about 4 sec, so if you cut that in half (for 50-60 range) you get 2 sec. Now subtract that from the 50-100 of 9.6 sec, you get 7.6 sec for 60-100 for GM1 (8.3 sec stock, using a higher 50-70 factor of 4.6)..just about what I would expect. I have an HPT tune. PM me for my results if you like. Some people hear think I'm touting my #s all over the place..don't wanna **** em off
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