my chevy has 179020 miles on it do you think i need to replace anythng in the... ...motor brfore i run it hard? i want to run this chevy silverado 1997 5.7 liter 4by 4 hard but some people tell me it has to many miles on can i just run it like that will it give me problems or do i need to replace something i put a new time chain in it a couple months ago so thats good and for some reason it is more resposive when the motor is cold why is it bad to run it hard when its cold? id really appreciate if you guys would answer |