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ok, I got a question.... in the process of building a 440" SBF that will be making in excess of 800hp N/A & over 1000 with nitrous. now the question..... using an oil filter relocation deal.... is -12AN too big of a line? will I lose too much volume or pressure using the -12? or would I be better off with a -10AN hose to the filter
 

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You will loose nothing from too big I have run -10 with no problems. Most will say use -12 just stay away from gun drilled 90* fittings.
 

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T/S 368E
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Mine were always -12 zero issues, and as said, NEVER use those hard 90*, you want the smooth flowing tube style!!!


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Long Live The King
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I've run -10 and -12's on a few different set-ups








The top set-up with -12's has been on for the past 3 years, yes it does have a gun drilled 90* that was radius' on the inside. It performs as well as the others. The filter in the system has next to zero restriction, so that might help. It's a filter for Cummins. The others have -10's. All had oil psi within 5 psi of engine running on dyno. This year I'm going back to the system with two Baldwin B253's
 
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