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Bertram31.com General Bulletin Board
Re: Ethanol in the Northeast
Posted By: jim In Response To: Re: Ethanol in the Northeast (Carl)
Date: Monday, 12 September 2005, at 8:38 p.m.
yeah the black go is like permatex. if you never cleaned up the residual gunk from last year i don't see how the engine would ever clean up internally. maybe try what i did, only takes a couple of hours, 3 or 4 cans of carb cleaner and has allowed me to get a few hours out of the season. granted, everytime i push the started button i pray, but so far so good.
i pumped both tanks (which you already did).
removed the valve covers and carbs. hand cranked both engines while spraying loads of carb cleaner, rigged a hose to the cans to try in get into the valve chamber best i could. checked the valve action as i went. if a valve would stick i would keep trying to get some spray into the intake valve. as a last resort if it still stuck i tapped it with a hammer on top which freed it. (if it doesn't free it the head must come off) on the valves you see sticking keep pressure on the rockers to keep them on the rods. yes, i bent some rods during this process. i took a hammer, straighten them as best i could and put them back in. (i kept a set of good ones for after i got the engines running then replaced the ones i had to straighten)
when i finally got the valves to go thru 3 rotations without sticking i cranked the engines,(coil disconnected) again liberal use of carb cleaner, standing on some pushrods to keep pressure on them. after a few succesful rotations of this i put the carbs back on and connected the coil and ran them on straight carb cleaner for as long as they would run. then i ran each engine off a remote tank laced with a double dose of chevron techtron for about 3 gallons long.
since then i have been adding only 20 - 25 gallons when i need it and lacing each load with a double dose of techtron. i have been out 4 or 5 times without any issue.
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