Dbyers2

iTrader: (1)

I swapped my 4L60 and now have a FLT lvl 4 4L80e in my 1500 truck and need to do a fluid and filter change, does anybody know what year the tranny is that finish line uses or anyway to determine which specific chevy truck model it could be out of, here is a picture of some numbers on the side of the case and pan

Dbyers2

iTrader: (1)

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Dbyers2

iTrader: (1)

Anybody???

Atomic

iTrader: (42)

Where are the cooler fittings on the passenger side?

Does it have a housing bolt hole at the 12 oclock position?

slow67

iTrader: (2)

Year of the transmission doesn't matter, it's which pan is on it. However, you can't put a late pan on an early transmission (but you can put an early pan on a late transmission).

Dbyers2

iTrader: (1)

Atomic I was waiting for you to chime in lol. But yes to both, two cooler fittings passenger side and bolt hole at 12 o'clock

03sierraslt

iTrader: (22)

Like mentioned, the pan is the key.