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i have a 1978 browning mustang 1 that i am restoring.it has a mercruiser io 140hp engine and mercruiser 140 sterndrive.
Hard to tell without a picture. Try ValueJockey.com it is free. you can post a picture there and get pricing help. Good Luck!!!
5 quarts
A supertech ST5 from Walmart.
ph5
PH8873
In the old days, SAE 20 motor oil was used, later models use automatic transmission fluid, or trim fluid sold by the manufacturer. Try to determine what was previously used in your unit and refill with the same.
how to remove engine in mercruser
Mercruiser engines of various sizes from 3 liter on up.
Under the right exhaust manifold towards the rear of the engine.
Mercruiser buys engines from many suppliers, including Chevrolet.
Depends how hard you drove it.