Well without seeing the carb in question and the engine i can not just up and nail down your problem for sure . some truck engines have a vac. gov. some don't and along with that they have sorta a gov built into the dist. SOOOOOooooo you could be having a carb issue with the power valve . there could be and issue with the secondary's it could be a problem in the dist. and making it a timing issue . even just running on the primary side it should run on up with decent power . some people plum hate Holley's and complain on how hard they are to tune , myself i have never had a problem with them . It is what you have worded with and ran as to how well you can make it work for you . Some people can only make a Chevy go , then there are the ones that can make a Ford or MO PAR knock a Chey's socks into the creek . So to make a Holley work ya have to have the correct power valve , the correct jetting the correct fuel level the correct acceleration pump and setting and correct vac secondary spring , then ya go playen from there to shell we say ENHANCE it's performance .
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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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