1988 242LS Speed Help

[oreokid220]

Well I just tested my boat out on the CT river this weekend and I showed 62mph at 5,000 RPM with a 21 pitch 3 blade mirage and a 454 with 428 dyno hp.

Any thoughts on the next prop to try? Any experiance with different props and this hull is greatly appreciated.

Thanks for the help.

Jed

PS I did search and my head is spinning!

[twin242ls]

62, is that gps or speedo? mirage or mirage plus?

[88242LS]

Originally Posted by oreokid220

Well I just tested my boat out on the CT river this weekend and I showed 62mph at 5,000 RPM with a 21 pitch 3 blade mirage and a 454 with 428 dyno hp.

Any thoughts on the next prop to try? Any experiance with different props and this hull is greatly appreciated.

Thanks for the help.

Jed

PS I did search and my head is spinning!

as asked above is it a plus?? try a 21 plus, or 23, not real sure, my old 242 with the org 365hp mag ran 58mph turning 4900 on a 21 mirage plus, so it seems I'm missing something, that was on gps, I made it hit 59.8 once,

[oreokid220]

That speed was on the speedo, but I figured I could use it as a baseline for now and then when I get my gps I will know for sure.

I believe it is the plus, but I will check tomorrow.

What is the difference between the regular and the plus?

The prop I have was the one I bought the boat with, but it is alittle dinged and dented so I wanted to get a new one and upgrade at the same time.

Not sure what pitch or blade number to go with.

Thanks again for the help.

Jed

[twin242ls]

regular mirage is a flatter blade easier to spin, a plus is cupped. a boat that spins a regular 23 mirage usually goes back to a 21 when using a plus a plus.

now from past threads a 242 needs aboat 500 hp to break the mid 60's my twin makes 660 and I'm in the mid 60's. and there are a couple of guys with singles making over well over 5oo running just a click away from 70's.

[prosno]

23 Mirage should do the trick

[mopower]

A friend has a 242 with a warmed over HP 500 Dynoed at 535 hp gets 69.6 GPS with a labbed 24 Bravo.

[oreokid220]

I was thinking a 23 four blade bravo from my research.

How does eveyone think this will handle at lower speeds and holding the boat up?

Thanks everyone.

Jed

[kjo43]

Bravo1 comes in even pitch numbers out of the box. I run a 22" it works well in my 242, stock 502.

[tpenfield]

add some wings and it will fly