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Accelerator pump nozzles and cams

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Mille1sj View Drop Down
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    Posted: July-30-2021 at 3:46pm
After I rebuilt our 302 PCM for the ski Tique I have had an issue where it loses power. If I am cruising at about 8-10 mph and put the throttle down it will momentarily lose power then take off. Quick bog then takes off.

I changed the accelerator pump nozzle from the stock 21 to a 25. It appears to have fixed the issue. I also bought some different cams for the carb but haven’t tried any. Should I just leave it alone now or is there an additional benefit to going to a different accelerator cam?
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Jonny Quest View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jonny Quest Quote  Post ReplyReply Direct Link To This Post Posted: July-30-2021 at 3:47pm
What color cam is on the carby now?
Current
2003 Ski Nautique 206 Limited

Previous
2001 Ski Nautique Open Bow
1994 Ski Nautique Open Bow

Aqua skiing, ergo sum
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Mille1sj View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mille1sj Quote  Post ReplyReply Direct Link To This Post Posted: July-30-2021 at 4:26pm
Currently it has a red cam.
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KENO View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote KENO Quote  Post ReplyReply Direct Link To This Post Posted: July-30-2021 at 6:09pm
Since it appears to have fixed the issue, why mess with success? Wink
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Mille1sj View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mille1sj Quote  Post ReplyReply Direct Link To This Post Posted: July-30-2021 at 6:13pm
I was thinking that as well but wasn’t sure if there was any performance or fine tuning reason to mess with the cam.
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KENO View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote KENO Quote  Post ReplyReply Direct Link To This Post Posted: July-30-2021 at 6:24pm
between cams and nozzles and different volume pump diaphragms, you could probably have enough combinations to drive yourself crazy, I think I'd just leave it alone unless you turned it into a real gas hog.

Besides it's RED and Jonny likes RED Wink
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Mille1sj View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mille1sj Quote  Post ReplyReply Direct Link To This Post Posted: July-30-2021 at 6:31pm
Since the rebuild it already loves gas.
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