FU's 5.3 to L9H 6.2 thread
- Thread starter FrankU
- Start date
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I forgot about the ZL1 torque converter, that would retain all factory function. I did a Yank converter in my TBSS because "everyone" said it was a required mod for the heavy truck and that was the worst thing I ever did and I swore I'd never do it again. Gas mileage went to crap and drove like crap on the street unless it was WOT.
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FrankU
Full Access Member
Gas mileage on the 6.2 is excellent .
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FrankU
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Swath what part number for the Magnaflow cats and Y pipe ?
swathdiver
Full Access Member
51578. There are other numbers for New York and California Emissions. I believe they are all physically the same with the addition of government approved numbers.
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