LT1 vibrates between 25-30% gas pedel. CATs GONE!
01-02-2014, 02:39 PM
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Staging Lane
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Join Date: Dec 2010
Location: California
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LT1 vibrates between 25-30% gas pedel. CATs GONE! Hey fellas. So my LT1s cat went out a few months ago. Got louder and louder as time passed. I would only drive my car to school and back and just recently about a month ago the car began vibrating when pressing the gas 20-30% down. around 80MPH but then goes away as i let off the gas or give it more past the 20-30% point.
Also it seems to be running lean and my gas milage has taken a big dip.
i can traval rought 100miles on a full tank. Any suggestions would help. I just bought the MSD 8.5mm SC cables with a set of tr-55 spark plugs. hope that helps.
Also it seems to be running lean and my gas milage has taken a big dip.
i can traval rought 100miles on a full tank. Any suggestions would help. I just bought the MSD 8.5mm SC cables with a set of tr-55 spark plugs. hope that helps. 