FORUM RULES UPDATED - The forum rules have been updated to continue to provide a friendly and safe environment for our member community. Please take a moment to review the updated rules and our terms of use and privacy policy. Click here for Forum Rules which has links to the 'terms of use' and 'privacy policy'.
In Other News . . .
You will notice a few enchancements to the forums to make your experience better. These include: Email Notifications, Thread Previews, Thread Starter Notation, and Emoji Options on the 'Like' icon. . .
Additionally, the merchant portions of the website have been updated and are now operational. . . . Check out iBoats for all your boating gear.
Never really ran it more than a few seconds at that rpm. Not slow to plane. Just lacks the pull I expected under load.
The tach is a little inconsistent, but pretty easy to tell when it's reading high and as you stated, a couple taps brings it right back down.
Speed I recorded is as shown on...
Thanks for the good advice! Next question: Mercruiser prop guide wants to know if my lower unit is 2.0 or 2.4 ratio. Does it matter? They're both 15 spline, right?
I recently bought this 1983 Wellcraft 170 American with the Mercruiser 140 horse 3-liter engine. It runs well, gets up on the water quick and tops out at 42 mph at full trim and 5500 rpm. That's a little high for WOT I think, as peak hp is listed at 4800.
I have a SE Sport 300 cavitation plate...
