Prop question on a 242 ss 454 330 hp
#1
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Prop question on a 242 ss 454 330 hp
have a 242 SS 1988 with a standard 454 330 HP 1997
GenV. The prop is a Mirage Pluss 17, I know the prop
is to "small"
Ex.:
3200 rpm my speed is 28 miles
My rpm is much higer then it is supposed to be, but I have
never taken it higer then 4500 then I get aprox 42-43 miles.
I have a lot more throttle to give but, I havent let the engine
gone over the 4500 rpm.
I am going to buy a new propp, but I am not sure what kind of
prop either mirage P19, mirage P21 or bravo1 4 blade 20
My normal boating is 2-4 people some gear, I am not to stressed by top speed, but of course everybody want his boat
to go as fast as possible.
I would like it not to be to slow to plane, and have a good midrange preformance.
So what should I go for??
GenV. The prop is a Mirage Pluss 17, I know the prop
is to "small"
Ex.:
3200 rpm my speed is 28 miles
My rpm is much higer then it is supposed to be, but I have
never taken it higer then 4500 then I get aprox 42-43 miles.
I have a lot more throttle to give but, I havent let the engine
gone over the 4500 rpm.
I am going to buy a new propp, but I am not sure what kind of
prop either mirage P19, mirage P21 or bravo1 4 blade 20
My normal boating is 2-4 people some gear, I am not to stressed by top speed, but of course everybody want his boat
to go as fast as possible.
I would like it not to be to slow to plane, and have a good midrange preformance.
So what should I go for??
#6
Toxic FORMULA
Platinum Member
A friend has a 242/330 combo and runs a 21 Mirage and gets 53/54 mph. I'd also try a 22 Bravo. Will definitely increase midrange speed. Another friend had a 242/502 Mag , went from a 23 Mirage to a 24 Bravo an picked up 5 mph at 3000 rpms
#10
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Join Date: Feb 2008
Location: 1000 Islands, Ontario, Canada
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Hey, I have a '89 242 SS with a stock 454ci 330hp package and I upgraded from a 19 to a 23 pitch and I am very happy with the result. 56.7mph @4600rpm on gps.
Oh by the way, I'm new to OSO and this site is AWESOME!
Oh by the way, I'm new to OSO and this site is AWESOME!