Muffler
#1
Muffler
I have a '93 K-1500 4.3 no air pump new engine all new pollution components the thing ran great for three years with glass pack muffler put on regular muffler now runs like crap. Unplugged o2 sensor and it runs good. Please advise if possible.AT 4WD
#2
Dump the glass pack. They are crap.
#4
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#8
Little Bear you were right. But get this, muffler was wrongly marked! Never seen that before! I worked at a muffler shop and installed 100s of exhaust systems never once seen a muffler marked backwards. First time for everything I guess. Thank you for your response. I don,t think I would have even tried turning it around. Threw the thing in the scrap pile. Back to the Thrush glass pack again, runs great. Spent a lot of time on this truck need to keep it on the road just to justify the time and money ha ha. Wife calls it the money pit.
#9
Little Bear you were right. But get this, muffler was wrongly marked! Never seen that before! I worked at a muffler shop and installed 100s of exhaust systems never once seen a muffler marked backwards. First time for everything I guess. Thank you for your response. I don,t think I would have even tried turning it around. Threw the thing in the scrap pile. Back to the Thrush glass pack again, runs great. Spent a lot of time on this truck need to keep it on the road just to justify the time and money ha ha. Wife calls it the money pit.
#10
Little Bear you were right. But get this, muffler was wrongly marked! Never seen that before! I worked at a muffler shop and installed 100s of exhaust systems never once seen a muffler marked backwards. First time for everything I guess. Thank you for your response. I don,t think I would have even tried turning it around. Threw the thing in the scrap pile. Back to the Thrush glass pack again, runs great. Spent a lot of time on this truck need to keep it on the road just to justify the time and money ha ha. Wife calls it the money pit.
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