Is it no good to have a High volume oil pump? - Page 2 - Hot Rod Forum : Hotrodders Bulletin Board
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View Poll Results: High volume oil pump...????
its good for normal daily drivers !!! 7 26.92%
Its good for High performance race cars only !!! 7 26.92%
Its good for trucking,towing !!! 6 23.08%
Please avoid HV Oil pums !!! Get the regular one !!! 6 23.08%
Voters: 26. You may not vote on this poll

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Old 01-31-2008, 04:18 PM
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Quote:
Originally Posted by Calderone
i got my stock pump today
i have 2 now
HV pump
Stock pump
i will install the stock one
what u think ?
Do you know what your bearing clearances are? The high volume pump would help pressure at idle if your bearing clearances are on the loose side.

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Old 01-31-2008, 04:52 PM
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hi i just got back from the machinists
cam bearings are standard
main and rod bearings are .020
is that right ?
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Old 01-31-2008, 05:26 PM
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You need to measure the diameter of the crankshaft journal, and then measure the diameter of the main bore with the bearings in it (or measure the main bore and bearings separately). Same thing with the rod journals. You can also use plastigage to get a rough idea of the clearance if you can't measure it. You want to know how much space there is between the crankshaft and the bearing, should be about 0.002".
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