Timing Chain question with LT4 Hotcam
I'm getting ready to install the LT4 Hot Cam kit, and I was wondering if I should replace my stock LT1 timing chain??
The stock chain only has 25,XXX miles on it, so is it necessary to replace that?
Thanks!
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CSR water pump: $180
Summit timing chain: $36
= $216
LT1/LT4 "Extreme Duty" timing chain kit: $300
Keep in mind this only works for pin-driven optisparks with electric water pump, but that's no problem for you since you have a 97. Everyone should have an electric water pump anyway!






