351C Upgrade Carb
#11
Hello All,

Im back I finally had a local shop change my stock carb & removed the points. Car runs a lot better, could use a slight adjustment of the carb but I'll sort that out w/the shop. I ended up going with Holley 600.

Thanks guys
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#12
Then you are satisfied overall with the swap to the Holley?
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#13
For now yes, I just got the car back yesterday. Lol

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#14
The new holleys dont have all the issues that the old ones got the wrap for. About a year ago i went from an edelbock to 700 holley double pumper and it was a night and day difference in overall performance and throttle response. I have about 6000 miles on it with not one hiccup out of it. I ran edelbrocks for years because of their simplicity, but recently i been running the holleys with alot of luck. Once they are jetted and set right run the hell out of them and dont look back.
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#15
If you've got the Autolite 4300A, KEEP IT. Soon after I got my '70 351C 4V I swapped a new Holley 600CFM vac sec (fr Ford) onto the car. The only diff was more trips to the Shell station; mileage dropped but the car was certainly no faster. An aquaintance had a similar Holley on his GM; no end of grief; constantly tuning. I'd much rather drive than fix. Within a month & a half the Holley was GONE, Autolite back. Never regretted. FYI, my best ETs were w/ the Autolite. Good carb.

PS: Sometime later I installed an Edelbrock Torker under the Autolite; MAJOR improvement, pulled HARD in mid-range, mileage improved slightly. If you want a worthwhile upgrade, Torker is it.
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