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THis is great information and I very much appreciate everyones help. Lots of things to check out. I will give them a try one at a time and see what happens. Thanks to all, Brad

Friends, OK, I set the carb float as directed, while still on the truck. Then turned on the fuel pump (not original) and watched it fill the bowl while still apart. Ran up to about 1/4" to 1/8" from top and the needle valve stopped it like it should. Then put it all together with the idle...

Yes sir, very similiar, but not near as bad. A momth oe so ago right after the change we fired it up and it ran pretty decent but with the same little cough or backfire when accerating out of idle. We thought it was probably a timing issue and a friend with the right equipment was going to set...

HEy Guys, I can't tell you all how much I appreciate your support and help with this problem. What has me so frustrated is that this is my Dad's truck. Sixty years ago he was at the frozen chosin, and he's 81 now. He's still ok but not near what he was last year. We been on this truck for three...

M135 is continuing to drive me nuts. Points are not burned, Coil is not hot. I checked the gov diaphram, no holes. Thought my carb float might be sticking open cause fuel pump keeps running. And can smell gas in crank case oil?? Took that apart and tried adjusting float. Now I got gas going...

Thanks for all the help fellas. I should have said earlier that I did rebuild the carb and replaced the pump piston completly with a new one. However I also replaced the idle needles, and they seem to do nothing when adjusted. The old ones I removed did, Perhaps I will put those back? Regards

I really am frustrated by this truck. It starts right up, and once I baby it thru accelerating it seems to run ok at high rpm. But it just doesnt want to accelerats from idling. It will cough and back fire thru the carb everytime. Like it doesnt want to take gas. I checked and I have vacume to...