Oil feed/return sizes and locations
#6
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i have the adaptor block that is pretapped bolt on above the filter running dash 4 to my s/c and returning to the front of my oil pan with half inch.. my s/c is in the front though so i would tailor your return to optimize flow path depending on where you mount your turbo. Mine is best at front cause it just drops straight down from my s/c. there are recent pics on my 6.0 swap thread of the line setup.
#7
TECH Fanatic
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I returned in lower part of timing cover. -12an size. Feed line by added a bung to port above oil filter. -4an size on that recommended by forced inductions where I bought my turbo.
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#9
TECH Enthusiast
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I am also running a -4 feed out of the oil cooler port with a -12 return in the pan right in front of the starter. To return on the passenger side in front of the starter you have to weld the fitting into the pan because a bulkhead fitting interferes with the oil pump pick up tube.