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Old June 9th, 2021, 05:59 AM
sgrmaker58 sgrmaker58 is offline
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Default M725 Carburetor

Truck runs fine at idle as soon as I let the clutch out and start moving I start to get some back firing. Once on the road shifting in to higher gears causes the same issue. I saw a thread on the needle valve should be #70.
The carburetor has been rebuilt, distributer cap is less than ideal, original with coil removed to the outside and a hole for the wire in the cap. Where might I find a new old stock cap? thanks in advance.
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Old June 9th, 2021, 03:47 PM
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m38inmaine m38inmaine is offline
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Are you looking for an inner cap or outer cap ?
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Old June 10th, 2021, 07:07 AM
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Barrman Barrman is offline
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Once you get good distributor parts. Check your timing. The stock engine will run with crazy timing settings at low speed and then protest in weird ways at higher rpm.
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