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mikeymace -> 87 k5 blazer no cat converter (3/23/2008 6:35:18 PM)
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I been working on a 87 k5 blazer.5.7 l,700th tranny..I have no catalytic coverter in the truck,it was bought that way..Is there any tips anyone out there can give me to make the truck run better? I recently changed out the fuel pump and the radiator cooling temp sensor which made a big dfference in cold starts..But when the engines cold it seems kinda shakey till the thermostat kicks in then it settles down..Is this normal?Any help will be greatly appreciated!!
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