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Coil help replace with ????

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Old Apr 27, 2014 | 01:01 PM
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Default Coil help replace with ????

I just had my 04 Z retuned and the stock coils were giveing up around 5500 RPM ..5500 to 6500 is were this 04 Z realy wants to wind to ...I read some older threads were the MSD coils were not that good ... Any help on what to replace them with .. I would like to go to red line with out the coils giveing up ..You can tell by the chart i am leaveing a littl power on the taple... The 04 has headers and a few other bolts ons that all ..this fall going cam new heads......Thanks...
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Old Apr 27, 2014 | 06:35 PM
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http://ls1tech.com/forums/generation...l-upgrade.html
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Old Apr 27, 2014 | 06:47 PM
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Originally Posted by FourG63 97GST
Thanks I did not know that .. You could see the TQ. falling off around 5000 RMP still makeing some hp but the TQ. was going down and see the coils going also .. Might not need all those mods if get all the TQ. and Hp out of the stock stuff.. Thanks sounds way cheaper than the yello ones and better from what I here...
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