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Converted my oil bath to paper, problems!!


Kustom52Mopar

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So I Popped my oil bath off I was using to switch it over. Cut the guts out of the top and cleaned everything out just like the pics show. Got the filter and it sets together beautifully. Put it on the car and it acts like I've got the choke pulled all the way out, hard to go and if you give 3/4 throttle or more it just bogs down and pops. I pulled over and poped the little chrome cheap guy I was using while I had the oil bath off and problem gone.

Whats the deal???? I've taken it apart and double and triple checked and the top is not sealing with the bottom restricting air. I noticed the bottom portion has a cavity in it but its cleaned out and free of anything. Tried it again and same thing.

Just at a loss with it, any ideas???

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I did one for the 49 long back..car is since gone but for some reason I remember cutting the top skirt off the the lid so as not to restrict the air flow..just for giggles..invert the lid and be sure it is sealed agains the filter..start it up..if it runs fine the filter is sufficient size for air flow...but the restriction of the skirt and housing would then be an issue..

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Little update, this is wierd. The stud wasn't long enough to flip the lid so I used a lid off a 10" air cleaner and had my hood off. Had the hood off to knock a few dents out. So with that lid with and the hood off put the filter in direct path of air, IT STILL DOES IT! I take the filter out of the oil bath base and its just fine. Is it the filter? Have you ever heard of a brand new air filter doing this????

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Had this issue with an old Land Rover back in the 70s. I got a 2" taller filter, same ID and OD. It raised the top of the canister enough that the

increased air flow/decreased resistance solved it. 1/2" or 3/4 " might well have been enough, but I didn't have the patience to try 1/4" increments until I hit the jackpot. :)

BTW, are you getting a good seal between the filter and the lid?

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Little update, this is wierd. The stud wasn't long enough to flip the lid so I used a lid off a 10" air cleaner and had my hood off. Had the hood off to knock a few dents out. So with that lid with and the hood off put the filter in direct path of air, IT STILL DOES IT! I take the filter out of the oil bath base and its just fine. Is it the filter? Have you ever heard of a brand new air filter doing this????

If you flipped the lid, should it not need a shorter stud? I could see running out of thread, but not sure how it would be too short.

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what are the physical dimensions on your filter..folks on here have had to stack some filters to keep from fouling plugs...could very well be insufficient size and thus restriciting air flow...paper construction would be the same with a larger filter so filter error other than size is not likely...

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Car runs fine. However' date=' my engine is completely rebuilt and the carb. has been rebuilt at the same time. So...........your problem may be due to an actual carb. problem and not the filter. I can't see where drilling holes in the paper filter would be a good thing. After all, if you do that dirt can go right through it.

.[/quote']

I never suggested that anyone drill through the filter. Now that would be silly. I drilled through the metal. I had already ruined it as an oil bath air cleaner. The car runs great now. Eric

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