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Christ · 05-09-2011, 10:21 AM

I wasn't saying those were the figures to stand by. I was just trying to get an idea for what kind of loses are there.

The only test I can think of is to remove the timing belt and soon the intermediate shaft with the engine on a stand, using an electric motor and an ammeter to determine wattage required with and without the oil pump attached. Once I get the other motor on the stand to rebuild, that might be an option.

3600 rpm is a decent speedfor a test, because it would be in excess of 70mph road speed, and is likely the highest speed the engine will regularly see.

A motor that spins 3600 @ xVDC with an ammeter to read current draw should give enough basic data to form a conclusion, yes?

Test 1: Intermediate shaft and oil pump installed, sae30 oil.
Test 2: remove oil pump pickup, leave pump installed (bearings well be oiled fromm previous test.
Test 3: pre oil bearings, remove pump and spin balance shaft alone.

05-09-2011, 10:21 AM	#107 (permalink)
Christ Moderate your Moderation. Join Date: Nov 2008 Location: Troy, Pa. Posts: 8,919 Pasta - '96 Volkswagen Passat TDi 90 day: 45.22 mpg (US) Thanks: 1,369 Thanked 430 Times in 353 Posts	I wasn't saying those were the figures to stand by. I was just trying to get an idea for what kind of loses are there. The only test I can think of is to remove the timing belt and soon the intermediate shaft with the engine on a stand, using an electric motor and an ammeter to determine wattage required with and without the oil pump attached. Once I get the other motor on the stand to rebuild, that might be an option. 3600 rpm is a decent speedfor a test, because it would be in excess of 70mph road speed, and is likely the highest speed the engine will regularly see. A motor that spins 3600 @ xVDC with an ammeter to read current draw should give enough basic data to form a conclusion, yes? Test 1: Intermediate shaft and oil pump installed, sae30 oil. Test 2: remove oil pump pickup, leave pump installed (bearings well be oiled fromm previous test. Test 3: pre oil bearings, remove pump and spin balance shaft alone. __________________ "¿ʞɐǝɹɟ ɐ ǝɹ,noʎ uǝɥʍ 'ʇı ʇ,usı 'ʎlǝuol s,ʇı" Last edited by Christ; 05-09-2011 at 11:20 AM..