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12-25-2012, 05:54 PM | #41 |
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Re: Offy 4BBL intake
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12-25-2012, 06:05 PM | #42 |
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Re: Offy 4BBL intake
According to my information the primary metering block is not interchangable with others. Hope that's wrong. I will park it on top of the engine and see what the AF says. I know it came off a 87 Mustang 302. I also have a smal 4bl with a single float, any ideas??
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12-25-2012, 09:46 PM | #43 |
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Re: Offy 4BBL intake
Yes Ron, I looked into it and you are right, the blocks will not interchange. On the other hand there are idle mixture screws, but Holley moved them into the throttle plate. They have them hidden behind plugs to make them "tamper proof". Apparently you can take a hack saw to the aluminum casting and remove enough material to get the plugs out and then the a/f mixture screws can be adjuusted with an Allen wrench.
Like you mentioned, put it on and try it, it just might be OK. |
12-25-2012, 09:53 PM | #44 |
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Re: Offy 4BBL intake
only hope I can change Main and PV jets.
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12-26-2012, 10:54 AM | #45 |
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Re: Offy 4BBL intake
Walt I have 390 cfm Holley carb on a 51 flathead with a 3/4 cam,aluminum heads,bored .040 over and a offy 4 barrel intake.It works very well right of the box.
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12-26-2012, 11:57 AM | #46 |
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Re: Offy 4BBL intake
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12-26-2012, 07:13 PM | #47 |
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Re: Offy 4BBL intake
Walt, are you going to race this engine or street drive it? If your going to race it I'd use the 600 and try running it eith only the primarys, then both to see how well it preforms.
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12-26-2012, 07:29 PM | #48 |
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Re: Offy 4BBL intake
Walt>>>My son inlaw has a 600 Holley I can have. Do you guys think that is to big for my engine. >>>
Yes, unless you can somehow experimentally re-work or manually control the linkages to delay the secondaries to suit your engine in whatever you're trying to do with it. That would be an interesting project, Walt. I really think you should do it. Then report back to us on your results. 8^) Jack E/NJ |
12-26-2012, 08:09 PM | #49 | |
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Re: Offy 4BBL intake
Quote:
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12-26-2012, 08:19 PM | #50 |
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Re: Offy 4BBL intake
Walt, go on ebay and search wcfb. Look for one that has the fuel inlet on the very back of the top cover. It will be a mid 50's Buick. You can pick up the un identified ones very cheep. I have used several by just cleaning and reusing the gaskets. They can't leak!
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12-26-2012, 08:29 PM | #51 |
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Re: Offy 4BBL intake
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12-26-2012, 08:37 PM | #52 |
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Re: Offy 4BBL intake
Walt,
Heres some more notes on our mods to the intake , removing the divider under the plenum etc as well... The 600 was our best shot ( and still is today) and the machine work payed off on the dyno runs... http://www.lindertech.com/gas/8-21-07.htm The actual entire group is at www.gasolinealleyshops.org Jim |
12-26-2012, 08:49 PM | #53 | |
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Re: Offy 4BBL intake
Quote:
Last edited by Yoyodyne; 12-26-2012 at 09:12 PM. |
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12-28-2012, 07:37 PM | #54 |
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Re: Offy 4BBL intake
I have a Carter WCFB Model 2361 from a 56 Merc Y-block on my 8ba. Also have a Mitchell manual with tech sheets for Carters. Its indexed by auto manufacturer.
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12-28-2012, 08:55 PM | #55 | |
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Re: Offy 4BBL intake
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