3GSK or 4GSk?
#16
Make it a 4 k if you are an auto you will need it 3 k's seem to work better in standard trucks 4k all the way> just because it is a 4 k spring doesnt mean you will be getting it up that high in the rpms. its for you auto when it kicks in o/d 3 ks still defuel at 2800rpm 4k will let it go to 3000 rpm with faster response. dont recomend reving it over 3200 on a stock dampener and or without 60lbs springs.
Last edited by 12valvehaze; 12-11-2009 at 12:59 AM.
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