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Author Topic: 1980 LTD 4/6 factory needle clip setting  (Read 2617 times)

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tonyjd

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1980 LTD 4/6 factory needle clip setting
« on: November 16, 2017, 06:22:43 PM »
Hi, can anyone tell me what the factory needle clip setting is on a 4/6? I noticed I have 1 carb set 2nd from the top and 1 2nd from the bottom. always fun starting from scratch without a good starting point!
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tonyjd

Interceptor398

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Re: 1980 LTD 4/6 factory needle clip setting
« Reply #1 on: November 17, 2017, 07:48:21 AM »
Your carbs should be marked 36/90,  main jet = 130,  pilot jet = 35,  power jet = 120 RRT ( round reverse type ) , jet needle = 6 DH7-3 ( not completely sure but I think the 3 means 3rd groove ) ,  needle jet = P9 (159),  air screw setting = 1 1/2 turns out and idle screw setting 7 turns with and idle speed of 2500 rpms.
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tonyjd

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Re: 1980 LTD 4/6 factory needle clip setting
« Reply #2 on: November 17, 2017, 09:08:05 AM »
Thank you, I figured the 3rd Grove would be a good strating point from there run it and check the plugs often until all looks good. LET IT SNOW.
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tonyjd
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