mabie1978 Michelle Pierce Elyria, OH (111 posts) Registered: 08/25/2008 07:47PM Main British Car: 1978 MGB 3.5 Rover V8 |
Air Cleaner for the Carter AFB 400
The plan is to run a rebuilt Cater AFB 400 Carb on the Rover engine. But other than fabricating a base to fit on to the 4 1/4" opening what other options are there? Does anyone know of an air cleaner that has the base opening of 4 1/4" instead of the usual 5 1/8"? The only thing I can think of is to fit a ring of metal cut to the 4 1/4" interior opening with a bit larger than the 5 1/8" exterior diameter and attach it to an after market base. Any ideas? Thanks~
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roverman Art Gertz Winchester, CA. (3188 posts) Registered: 04/24/2009 11:02AM Main British Car: 74' Jensen Healy, 79 Huff. GT 1, 74 MGB Lotus 907,2L |
Re: Air Cleaner for the Carter AFB 400
Michelle, I'm assuming you don't have or can't find an oem. 4 1/4" base ? Many times they have more refined, radiused inlet than some aftermarket cleaners. Trim off unnecessary metal, find suitable,hi-flow filter/top. Clean an mean ? roverman.
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mabie1978 Michelle Pierce Elyria, OH (111 posts) Registered: 08/25/2008 07:47PM Main British Car: 1978 MGB 3.5 Rover V8 |
Re: Air Cleaner for the Carter AFB 400
Art, I bought it from a fella on the MG Board and it didn't come with any oem base and so far I haven't been able to locate one at all. Right now I have a dropped base but it is a 5 1/8" opening. I haven't been able to find anything that would work at all with it. I emailed K&N to see if they have anything in a set that has that diameter base opening but I doubt they do. My husband wondered what opening the VW and such had but I don't know.
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roverman Art Gertz Winchester, CA. (3188 posts) Registered: 04/24/2009 11:02AM Main British Car: 74' Jensen Healy, 79 Huff. GT 1, 74 MGB Lotus 907,2L |
Re: Air Cleaner for the Carter AFB 400
Perhaps clue lies with carb. ? OEM. ? If so, what cars used it ? May "some" 215's ? D&D any help ? roverman.
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mabie1978 Michelle Pierce Elyria, OH (111 posts) Registered: 08/25/2008 07:47PM Main British Car: 1978 MGB 3.5 Rover V8 |
Re: Air Cleaner for the Carter AFB 400
I searched the number and I beleive it was OEM to the Buick in the day from what I could tell. I talked to Mark over there and he had nothing that would work with it in his stock and no idea where to find something. Jegs sells a step up from that size to the standard but that raises it even higher under the hood which is why I am trying to figure out a way to get it lower.
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ex-tyke Graham Creswick Chatham, Ontario, Canada (1166 posts) Registered: 10/25/2007 11:17AM Main British Car: 1976 MGB Ford 302 |
Re: Air Cleaner for the Carter AFB 400
Someone must make an adapter similar to the attached ebay listing
[cgi.ebay.com] Otherwise it would be a simple matter of cutting an appropriate size ring in metal. |
roverman Art Gertz Winchester, CA. (3188 posts) Registered: 04/24/2009 11:02AM Main British Car: 74' Jensen Healy, 79 Huff. GT 1, 74 MGB Lotus 907,2L |
Re: Air Cleaner for the Carter AFB 400
Got silver lining ? "If" you make it, why not "drop It" ? Since 51/8" is surrounding 41/4", leaving room to drop ? roverman.
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mabie1978 Michelle Pierce Elyria, OH (111 posts) Registered: 08/25/2008 07:47PM Main British Car: 1978 MGB 3.5 Rover V8 |
Re: Air Cleaner for the Carter AFB 400
Well that is my idea, to make a ring with the appropriate sizing and attach it to the base plate. I have a drop base to work with that is already dropped close to 2", I will have to try and modify it around the top of the carb to give clearance to the locations that need it.
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Dan Jones Dan Jones St. Louis, Missouri (308 posts) Registered: 07/21/2008 03:32PM Main British Car: 1980 Triumph TR8 3.5L Rover V8 |
Re: Air Cleaner for the Carter AFB 400
> The plan is to run a rebuilt Cater AFB 400 Carb on the Rover engine.
> But other than fabricating a base to fit on to the 4 1/4" opening what > other options are there? I don't think you have a 400 CFM Carter AFB if your carb uses the 4 1/4" diameter filter base. While the first version of the Carter AFB used the smaller air 4 1/4" filter base (shared by the Carter WCFB and Rochester 4GC carbs), they were not flow rated. Instead they were grouped by venturi and throttle bore diameters. The 400 CFM AFB's were models 9400 and 9410 were second generation AFB's which use the standard 5" 1/8" diameter air filter base. > I searched the number and I beleive it was OEM to the Buick in the day from > what I could tell. The Buick 215's and 300's used Rochester 4GC carbs which did have the smaller 4 1/4" base. Perhaps you have a 4GC and not an AFB? > Does anyone know of an air cleaner that has the base opening of 4 1/4" > instead of the usual 5 1/8"? The street rod shops should have what you want. Try these guys: www.offyonline.com [www.thehotrodcompany.com] If you're looking for an original Buick air cleaner with the 4 1/4" base, I probably have one around here. Let me know if you want me to look. Dan Jones |