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Original Message
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RE: very interesting |
By Mike McQuesten - 12/10/2001 11:27:35 AM; IP 63.50.108.184 |
Very interesting flow testing Bob. I read this last night and gave it some thought before responding. I know that there are some regular readers/posters on this forum who are avid proponents of the good old 4100. I'll say right up front that I'm one of them. They are simple. They work pretty well. They don't leak often. Just all around decent carburetors. What I have wondered about is in relationship to the 1960 High Performance 352. I've ofen wondered why Ford chose to run a Holley with just 540 rated CFM instead of the supposedly 600 CFM 1.12 Autolite. I think you've given me a clue Bob. I know that a team of Ford engine engineers put a lot of time into research and development on the HP352. They were tired of the poor reviews the new FE had been receiving for two years. It is my opinion now that they found through testing both on dynos and on proving grounds that the Holley 540 out performed the 4100-600 CFM. Again, I like the 4100 Autolite. I've used lots of them. My best 4100 is off of a '62 Mercury 390. I put a kit in it. Bumped the jet sizes up one step both on the primaries and the secondaries. I don't know what years for sure but I do know that these earlier 4100s use Holley jets. That's all I did. This carb works very well. I've loaned it to friends who are having carb problems and they want to check things out with a tried and proven carb. This is the carb that I will fire my 427 up with and do the cam break in and overall engine break in for a few months. Then I'll bolt on the Holley 540. I'll keep a close eye on that Holley to see when it starts to spit & pop and do the things I've seen lots of old Holleys do. |
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