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There is a off ,lo and high setting no auto I believe I have be trying everything from high to lo to off , also been trying different ncrs setting with ballast weight in front yet still have the porpoise issue after around 28 mph any thoughts
I meant that ncrs is actually turned on when cruising. Make sure the ncrs is set to 0 and in the high setting with zero ballast. Then report back. That should be baseline good. If not then add small amounts of front ballast until it goes away. If that’s doesn’t work then I’m not sure what else to try.
I meant that ncrs is actually turned on when cruising. Make sure the ncrs is set to 0 and in the high setting with zero ballast. Then report back. That should be baseline good. If not then add small amounts of front ballast until it goes away. If that’s doesn’t work then I’m not sure what else to try.
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That worked thank very much appreciate that ,on the paragon the ncrs setting is the wave shape which should be at 0 for no porpoise thank you again
For those with the newer Paragons (late 2020 or the 2021s that are being delivered now), let's hear some feedback on how the boat is performing? In particular wondering about the ZZ8 motor as far as power, fuel consumption, typical RPMs, any cooling issues, etc?
For those with the newer Paragons (late 2020 or the 2021s that are being delivered now), let's hear some feedback on how the boat is performing? In particular wondering about the ZZ8 motor as far as power, fuel consumption, typical RPMs, any cooling issues, etc?
I forgot all about the new engine once I took delivery. 550 has plenty of power for us but we run 3-4 people max most do the time
For those with the newer Paragons (late 2020 or the 2021s that are being delivered now), let's hear some feedback on how the boat is performing? In particular wondering about the ZZ8 motor as far as power, fuel consumption, typical RPMs, any cooling issues, etc?
The engine has great power; the torque is especially stout. It runs at about the temp that other marinized GM V8s with closed cooling do, which is about 169 degrees. Surfing at ~11.5MPH happens at about 2,850 RPM. I haven't done any scienific fuel consumption studies, but it seems to be not too dissimilar from my previous H6. In short, it seems like a great power plant in the short time I have used it, especially for the P23 (weight).
My only gripe has been (and remains) - PCM has no manual for the ZZ8 yet. Absurd. I talked to someone at PCM (I won't name the individual, but someone who was quite aware that it needed to be published). This conversation was ~120 days ago (at the time I took delivery of the boat with no manual). He agreed that "they need to get this done". Contrast that with the F250 I took delivery of in December; it was one of the first produced with the third generation Powerstroke. Did it come with a well-considered, thorough manual? Of course it did. Am I wrong to juxtapose boat and auto manufacture? Clearly.
To illustrate how frustrating and wasteful this issue is, my dealer went to change an impeller on a P boat recently (for a Planet Nautique forum member here) and found that the pump on the ZZ8 didn't take the same impeller as the other 6.2L engines. This, in and of itself - isn't terrible; the issue is that he had nothing to tell him this in advance. He found out by pulling it from the pump. This all happened in a neighboring state... Bad juju.
So, back to task - great engine so far. Owners getting hours on them will tell the reliability tale. I hope and suspect it will be a great powerplant for PCM and Nautique. They seem to do a good job engineering, but not supplying guidance manuals to the end user...
The engine has great power; the torque is especially stout. It runs at about the temp that other marinized GM V8s with closed cooling do, which is about 169 degrees. Surfing at ~11.5MPH happens at about 2,850 RPM. I haven't done any scienific fuel consumption studies, but it seems to be not too dissimilar from my previous H6. In short, it seems like a great power plant in the short time I have used it, especially for the P23 (weight).
My only gripe has been (and remains) - PCM has no manual for the ZZ8 yet. Absurd. I talked to someone at PCM (I won't name the individual, but someone who was quite aware that it needed to be published). This conversation was ~120 days ago (at the time I took delivery of the boat with no manual). He agreed that "they need to get this done". Contrast that with the F250 I took delivery of in December; it was one of the first produced with the third generation Powerstroke. Did it come with a well-considered, thorough manual? Of course it did. Am I wrong to juxtapose boat and auto manufacture? Clearly.
To illustrate how frustrating and wasteful this issue is, my dealer went to change an impeller on a P boat recently (for a Planet Nautique forum member here) and found that the pump on the ZZ8 didn't take the same impeller as the other 6.2L engines. This, in and of itself - isn't terrible; the issue is that he had nothing to tell him this in advance. He found out by pulling it from the pump. This all happened in a neighboring state... Bad juju.
So, back to task - great engine so far. Owners getting hours on them will tell the reliability tale. I hope and suspect it will be a great powerplant for PCM and Nautique. They seem to do a good job engineering, but not supplying guidance manuals to the end user...
I just got an e-mail from Ron Nace moments ago. He e-mailed me to let me know that PCM just published the manual; it is on the site now... Thankfully.
I just got an e-mail from Ron Nace moments ago. He e-mailed me to let me know that PCM just published the manual; it is on the site now... Thankfully.
I see the ZZ8 Tech Info, but I don't see a manual. Am I missing something? I want to upload it to our site.
Please do not PM me directly asking for advice on how to repair your boat. While I would love to help everyone, I simply do not have time to respond to all of the inquiries. Please post your questions on the forum, so that all of our members have a chance to answer.
I own and operate Silver Cove Marine, which is an inboard boat restoration, service, and sales facility located in Mooresville, North Carolina.
We specialize in Nautique and Correct Craft restorations, and also provide general service for Nautiques fifteen years old and older.
If we can be of service to you, please contact us anytime!
The engine has great power; the torque is especially stout. It runs at about the temp that other marinized GM V8s with closed cooling do, which is about 169 degrees. Surfing at ~11.5MPH happens at about 2,850 RPM. I haven't done any scienific fuel consumption studies, but it seems to be not too dissimilar from my previous H6. In short, it seems like a great power plant in the short time I have used it, especially for the P23 (weight).
Are you surfing with full ballast? If so, WOW as that is about 3600rpms on the XR7. Do you have the new 18x13.5 prop or did you do something different? Any chance you know what your RPMs are for empty/25mph (Back to Dock)?
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