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Carbureted GT40 issues |
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8122pbrainard 
Grand Poobah 
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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 Topic: Carbureted GT40 issuesPosted: September-28-2020 at 6:10am |
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Chris,
How about posting a picture of your engine showing the carb?
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gun-driver
Grand Poobah
Joined: July-18-2008 Location: Pittsburgh, Pa Status: Offline Points: 4127 |
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Posted: September-27-2020 at 9:10pm |
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Google and YouTube can be helpful. This is assuming its a holley and it's not a GT-40 with a carb GT-40s have fuel injection.
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Ccamp4
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Joined: September-20-2020 Location: MA Status: Offline Points: 5 |
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Posted: September-27-2020 at 8:16pm |
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Hmmm...I'm not sure. Its a small slotted screw on port side of the engine carb. Clockwise seems to bring idle down and counter brings it up.
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Chris Campo
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8122pbrainard
Grand Poobah
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: September-27-2020 at 8:07pm |
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Chris,
What are you adjusting on the carb? The idle mix screws or the curb idle screw?
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Ccamp4
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Joined: September-20-2020 Location: MA Status: Offline Points: 5 |
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Posted: September-27-2020 at 8:01pm |
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Hey CCF people,
I just picked up a 96 SN 196. It has a carbed version of the GT40. I haven't owned a carbed boat before but I have had to adjust the carb to keep bringing up the idle. After a little bit of use, the idle will go lower than normal and I have to adjust again. This cant be normal??? Can somebody more educated on the matter help please? Maybe carb needs a rebuild?
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Chris Campo
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