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"AIR" Oil Cooler

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YoYo_4G63

15+ Year Contributor
187
4
Sep 5, 2008
Carolina, Puerto Rico
I need to eliminate my oil cooler. I have searched about how to do it, but only "opinions" about it i've found.

1.Block the 2 ports of the OFH
2.Loop them "U"

#1 or #2 :hmm:
 
I need to eliminate my oil cooler. I have searched about how to do it, but only "opinions" about it i've found.

1.Block the 2 ports of the OFH
2.Loop them "U"

#1 or #2 :hmm:


Your title and 1 and 2 method is constricting.

Are you trying to setup 4g63 with a air cooler for you oil? If so you need a 90 style OFH or a evo3 style(or evo 8/9) for the 7 bolts.

They both come with inlet and outlet holes for the oil to travel to a cooler. Both thread pitches are 16mm x 1.5.

If you want to delete the "water cooled" stock oil set up, then yes just loop those lines and plug the lines at the waterpipe and return to the thermostat housing.

If you have a 90 housing, then I would loop the cooler outlet and inlet.

Most of us use a foward facing OFH because it deletes both style coolers.

I tried to be as specific as possible since I was confused by the thread title
 
Yes i have the "90" OFH and i want to eliminate the oil cooler to test something. Some people says that block the ports will increase the oil pressure while others says that doesn't do that. Btw the holes was changed to npt. To me make more sense to do a loop but not that sure.
 
Yes i have the "90" OFH and i want to eliminate the oil cooler to test something. Some people says that block the ports will increase the oil pressure while others says that doesn't do that. Btw the holes was changed to npt. To me make more sense to do a loop but not that sure.

looping would be the best method, I am pretty sur the 90 style housing has a thermistor and opens to let oil cool through the cooler at a certain temp, so you do not want to block it off, you would be blocking the oil passage.
 
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