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A2A aftercooler airflow requirements for stock 4bt cummins

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Discussion Starter · #1 ·
I can't seem to find any specs on intercooler airflow requirements for a stock 4bt, and after I found out these numbers I need to find one that will fit in my '95 YJ. If anybody has done one of these swaps let me know what you used for a intercooler and a radiator for that matter, I was thinking about an Aluminum one built for Chevy or Ford conversions. Thanks Everybody. Jim
 
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Maximum Intake Restriction with clean air filter element is 15.0 inch H2O, dirty air filter element 25 inch H2O.

Recommended intake piping size I.D. is 3 inch
 
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