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Unread 01-26-2010, 04:03 PM   #1
dustinnice
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1980 CJ7 
 
Join Date: Dec 2009
Location: crossville, tn
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downsides to not having a thermo air cleaner?

i have a 1980 cj7 with a 232 and a 2 barrel bbd carb. the PO for whatever reason decided to replace the thermo air cleaner with an aftermarket one that is 2 plates of aluminum with the filter element in the middle. question is, is this damaging anything? is the tac absolutely necessary? or is it just fine like it is?

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Unread 01-27-2010, 12:59 AM   #2
jeepdaddy2000
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No engine damage. You do loose the ability to heat the intake in cold weather, however, this may not be a problem where you live. The big downfall to open air filters is they get dirty a lot faster. With a closed housing, the air is forced through a snorkle. The dirt particles accelerate and tend to hit the front of the filter, leaving the rest of the element relatively clean. It also helps protect the element from water damage.
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Unread 01-27-2010, 02:34 AM   #3
John Strenk
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Also the stock one can be ducted to suck in cold air from outside the engine compartment.

Usually the stock air cleaner can direct the air for better flow into the carburetor but not particually on the "over the valve cover" design.

How did you end up with a 232 in your 80 CJ.
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Unread 01-27-2010, 05:17 PM   #4
dustinnice
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thanks guys. ive been having some trouble finding a filter element for the thing but i suppose one will turn up sooner or later
john strenk--i guess you could say i ended up with a 232 the same way i ended up with an aftermarket air cleaner. all that stuff is pre-me
thanks again
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