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Old 10-11-2022, 04:50 PM
Dragncar Dragncar is offline
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Join Date: Mar 2004
Location: Humbolt County California
Posts: 9,233
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Quote:
Originally Posted by Tom Vaught View Post
In some applications the mod has benefits, perhaps one being racing as
the HO Guys recommended that mod years ago.

That being said the bypass is there for a couple of reasons:

Filter plugged or very cold start-up conditions where the oil needs a path
to the oil galleries vs shearing the oil pump shaft.

That is why the OEMs test at -40 degrees F in Canada.

Tom V.
Yes but they recommended using a Lee filter with a internal by pass that is not even available anymore.
I am not even sure if we have available paper filters with a built in by pass these days. Maybe we do but I am no fan of blocking the PMD by pass.
Dirty oil is better than no oil.