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Old 07-15-2012, 01:24 AM
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SugarLake SugarLake is offline
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Join Date: Sep 2009
Boat: 88 Prostar 190 351W 1:1
Location: Minnesota
Posts: 38
Quote:
Originally Posted by Cloaked View Post
Begin with them all the way in, turning each one out approx. 1 - 1-1/2 turn. That should get you very close. If that isn't feasible, you have another issue. Patience. The 4160s are cantankerous but once you learn the characteristics, they work just fine (for the most part).

Make sure the electric choke is adjusted properly. Typically, mid-range on the scale will get it very close. Powervalve can also trick you, so just make sure it's seated properly and is in good working condition.

Have a double-check look-see here ==> http://www.holley.com/data/Products/...l/199R8339.pdf

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Yeah, I know the drill with the mixture screws. I started with them out 1 1/4. Turning them out made it worse, so I tried turning them in and it smoothed out and was best when they were in all the way. I know that shouldn't be the case but the boat is actually running pretty good. The idle circuit must be getting too much fuel but I don't know why. My only theory at this point is the fuel level in the bowl is too high, but I'm not sure about that.

Thanks for the link. Those are the same instructions I have that came with the kit. The frustrating thing about them is in the section were they instruct you on the level for the non-externally adjustable float, they show you where to measure it but nowhere in the instructions do they tell you what the measurement should be!! On the skidim site they reccomend setting them level ( parrallel) but that is way too high. I found I had to set the secondary float way down from that or else I had gas pouring out of the venturis. If anyone knows the measurement for the MARINE 4160 float level that would really help. I can't seem to find it anywhere.
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