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View Full Version : Bravo 1 diesel or gas,what's the diff ?



waterbum
01-30-2002, 12:43 PM
When I bought my boat I noticed a sticker on the upper gearcase that said 1:36 diesel.I was just looking around on the Bam site and figured I would compare part number's of gas and diesel drives just to see if they were the same drives as I was told by the dealer.Well guess what,the part numbers don't jive!!The diesel drive is also more expensive.Does anyone know the difference??? http://free.***boat.net/ubb/eek.gif http://free.***boat.net/ubb/eek.gif The Bum

spectras only
01-30-2002, 01:31 PM
I haven't had a sterndrive for some time, but I would guess the diesel drive would have beefier parts in it ,because of the low end torque.

grog
01-31-2002, 01:53 PM
Bum, check out www.mercurymarine.com (http://www.mercurymarine.com) under products... at least I think this is where I saw the info before... but the diesel version is beefier in shafts and bearings. Hope this helps.
g

waterbum
02-01-2002, 08:26 AM
Thanx for the info guys.Guess mabe the dealer did me a favor.I called Bam,they told me the gears are shot-peened.Mabe someone else on these boards will find this info useful.Don't understand why Merc doesen't just make them all heavy duty being they know what us power mongers are going to do to em. http://free.***boat.net/ubb/wink.gif http://free.***boat.net/ubb/wink.gif The Bum

not guilty
02-01-2002, 09:53 AM
WB. Moost diesels opperate at a max rpm around 2000.These drives may be geared more for the high tourqe of a diesel but maybe problems running at our 5000 gasser rpm's.
Dont know , just food fot thought!! NG

waterbum
02-01-2002, 10:46 AM
N.G.,I have two summers runnin at a little over 5000,so far no problems.That is a very valid point though.Any Merc tech's out there.Would like to know before i'm dead in the water!! http://free.***boat.net/ubb/eek.gif Bum

BOOSTDADDY
02-02-2002, 12:40 PM
WATERBUM- THE GEARS ARE MADE BETTER (NET FORGED) BEFORE ALL THE NEW AFTERMARKET PARTS THAT WAS A TRICK TO MAKE THE DRIVE LAST WITH MORE POWER IN FRONT OF IT!

waterbum
02-02-2002, 01:01 PM
Thanks Boostdaddy,I feel better now!!!