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caramzn
Samba Member
Joined: February 16, 2021
Posts: 5
Location: TX
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 Posted: Sat Oct 23, 2021 11:55 am Post subject: 1600dp Engine Idle Issue |
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I'm a DIY, learn as you go noob and I couldn't find a similar issue as mine so here we go.
I have, what I was told is a 1600dp engine in my 1968 single cab. The engine code is a D-3608074. My engine starts fast and easy, goes through the warm up phase however when it lowers down to an idle it dies out every time. I rebuilt the carb and have the same issue (see YouTube link below).
Where should I begin my diagnostic?
https://youtu.be/l088jaXoSHo |
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busdaddy
Samba Member
Joined: February 12, 2004
Posts: 51144
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Sat Oct 23, 2021 6:01 pm Post subject: Re: 1600dp Engine Idle Issue |
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How are you adjusting the screws on the side of the carb?, how about the stop screw on the choke cam? Have you ever done anything with the manifold boots or manifold to head gaskets?
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caramzn
Samba Member
Joined: February 16, 2021
Posts: 5
Location: TX
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| Posted: Sat Oct 23, 2021 6:53 pm Post subject: Re: 1600dp Engine Idle Issue |
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The only screws I've adjusted are the mixture screw, which is at 10 half turns out from bottom, and the idle screw which is at 5 half turns out from bottom. From what I've reviewed, these settings would put it at a starting point and would be running rich so I would be able to start adjusting from said starting point.
Everything else is tightened snug, not over tightened but probably not as they should (new to working on classic cars so this is also first time working on a carb). I have not checked the boots or gaskets for leaks. |
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Wildthings
Samba Member
Joined: March 13, 2005
Posts: 50348
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| Posted: Sat Oct 23, 2021 9:49 pm Post subject: Re: 1600dp Engine Idle Issue |
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| Have you checked to see is anything is clogging your idle jet? Is your throttle stop adjustment right, the lever sticking up at the back left of the carb, which should be one of the first adjustments you make. |
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bigbore
Samba Member
Joined: December 19, 2003
Posts: 3297
Location: Wasilla Alaska
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| Posted: Sat Oct 23, 2021 11:23 pm Post subject: Re: 1600dp Engine Idle Issue |
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check the throttle shaft for ware could be leaking air its not uncommon.
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bsairhead
Samba Member
Joined: October 08, 2008
Posts: 3578
Location: viroqua wi.
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| Posted: Sun Oct 24, 2021 6:38 am Post subject: Re: 1600dp Engine Idle Issue |
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| Make sure the electromagnetic cut off valve is tight. |
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OB Bus
Samba Member
Joined: February 09, 2003
Posts: 2541
Location: Ocean Beach in Beautiful BLUE California
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