PROP QUESTION

[JAY DOG]

Hey guys sorry to sound so clueless but i just bought a 93 nitro 17' it has a 1979 140hp envinrude that has rebuilt 1985 parts on it...i have no idea how to tell what the prop pitch is someone said they think it is a 19 and they think i needed a 17???any ideas how i can tell???took the boat out it planes off okay thought maybe it should get up a little faster..ran 45mph at about 5300rpm  water pressure i beleive was around 20..any info would be great thanks guys....

[-Shawn-]

There should be a number stamped on the hub somewhere. 

[realdealprops]

If it is an OMC prop the pitch will be on top of the hub under the prop nut.

[JAY DOG]

hey just finally checked and the only marking i found were on the outside of the pro all i see is 2900 stamped on the prop..does this mean it is a 29 pitch? and does that sound right....top speed is only 45 mph 5500rpm water pressure about 18......i think i should get a little more speed out of this motor..any thoughts...thanks...it actually gets out of the whole prety good when i have the motor trimed all the way down...i think when i first posted this i wasn't putting the trim all the way down...comes out of the whole pretty quick and then planes off and starts redlining..i have to back of the throttle while trimming the motor up on plane...

[Adam H.]

No way it's a 29. You wouldn't be able to spin it. It's probably on the inside of the prop. You will have to remove it to find the markings.

[JAY DOG]

thanks for the response Adam..next time I am able to get where the boat is stored i guess i'll have to try and take it of...I really have no clue about this whole pitch thing....