Tune up suggestions??
#1
Tune up suggestions??
I have a 2001 GMC Sierra and I am looking to buy plugs, wires, a throttle body spacer, and I am going to throw an exhaust on as well. I have a K&N intake already. What do you guys suggest?
#4
NGK Iridium spark plugs are the best choice for these motors. If you want to keep your HP, single 3 inch cat back with 4 inch tips will sound good and you wont lose your bottom end torque. Free flowing exhaust does not give more power. These motors love backpressure. And the spacer is optional. I do have it. I only have a few more add ons and I believe it helps only in the MPG. On the highway I get about 22 MPG, and I have more than 200k miles on my motor.
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Chevy600
Chevy Silverado/ GMC Sierra Forum
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08-13-2007 10:57 PM