volvo penta 5.0 holding back from 3/4 to full throttle

by bill
(hamden,ct)

i have a glastron gs249 with a volvo penta 5.0 220hp and a carb. starts great and idles great but but when i hit it up to get on plain if i go slow it just makes it but if i hit it past 3/4 to full throttle it holds back and when i do go slow and get it on plain it will run for a bit then i can hear the engine barg down and it takes me off plain we did a full tune up cap rotor plugs wires filters and rebuilt the carb and still the same i am going out of my mind i need help thanks bill

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Jul 01, 2019
Rating
starstarstarstarstar 		IGNITION
by: steve s

Does it have point???or HEI IGNITION??
Aug 22, 2010
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starstarstarstarstar 		holding back
by: bill

hi jcc i am changing the water seperator filter and buying 5 gallons of sunoco 93 octane at a time and putting it in the tank and it is starting to run a little better so thanks for your help and i will post more when i have more to say about it again thank you bill
Aug 22, 2010
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starstarstarstarstar 		engine bogs down
by: jcc

sounds like fuel restriction I've seen clogged filters ruin engines

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