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Oil Cooler Line Size

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Old 05-02-2018, 10:02 AM
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Default Oil Cooler Line Size

I am swapping a LQ9 6.0L into a 98 k1500 truck. I plan on making up my own lines for the oil cooler. The oil cooler itself is integrated into the stock 98 k1500 radiator. Question is I have a Oil Cooler adapter and the fittings on it are -10AN. Would running -10AN lines be too big for the system or will it not effect the oil system at all. Thanks ahead for all info and advice.
Old 05-02-2018, 10:57 AM
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-10 is pretty typical.
Old 05-02-2018, 11:56 AM
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Okay thanks.
Old 05-05-2018, 02:02 PM
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IMO (which is free, and probably overpriced) -10 is minimum size for any external oil component.
Old 05-06-2018, 08:34 AM
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Factory LQ9 lines are about ½"; pretty much equivalent to #8. (might actually be metric in some nearby size but w/e) So yes, #10 should be fine in most situations.
Old 05-07-2018, 02:33 AM
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-10 absolute minimum -12 even better. the hoses are fine but the inside of the fittings are quite abit more restrictive. you cant go "too big"




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