Mercury Racing Oil Filter Cross Reference
08-04-2016, 02:15 PM
#22
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Any thoughts on the M1-601? It's a crate 502 and I put the Hardin bulkhead on it with the HP6 threads but all of the HP6 filters I've found are 4-5/8" which leaves half the seal unsealed as the bulkhead base is only 4" across. The M1-601 is thinner and should fit nicely.
It does have the internal bypass and I can't figure if that's a good thing or not. The relief valve on the block pad is the heavier mercruiser unit but not blocked off.
It does have the internal bypass and I can't figure if that's a good thing or not. The relief valve on the block pad is the heavier mercruiser unit but not blocked off.
Last edited by Baja Rooster; 08-04-2016 at 08:21 PM.
08-05-2016, 01:42 AM
#24
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Location: Castro Valley, California
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If you have the room Wix/Napa offer an extra large oil filter for SBC./ BBC engines. It is known as a truck filter, a hair over 8 inches long, more flow and filtering ability. Wix # 51794, Napa Gold 1794, and a racing version is also available from Wix under part # 51794R, but be warned the racing version has a much higher micron rating. While that does allow a slight increase in flow, it also allows slightly larger particles to pass through the filter media. Recommended for racing only with frequent oil and filter changes.
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