SOHC.co.uk Forums > CB350/400
400 Four Oil filter - "genuine" or "aftermarket" ?
McCabe-Thiele (Ted):
I agree I would never change the oil without also replacing the filter.
I'm also a fan of Hi-Flo & Mahle filters.
K2-K6:
There exists the delicious irony that if the oil performance is as you"d really hope it would be, any platform for judging a filter is not there ;D
Oddjob:
I've got to say I also never change the oil without changing the filter. Just seems wrong not to do and the cost was never prohibitive.
McCabe-Thiele (Ted):
--- Quote from: K2-K6 on September 07, 2023, 12:09:39 PM ---There exists the delicious irony that if the oil performance is as you"d really hope it would be, any platform for judging a filter is not there ;D
--- End quote ---
About 8/10 years ago I came across a US site where a private individual looked at various brands of screw on type replacement oil filters on the market doing a pretty comprehensive job of dismantling them to show the different types of material used, how the drain back valves worked comparing what you got for your money.
Sadly I did not keep the link but it was very interesting reading some of the findings over a period of time as he developed his knowledge and improved his testing methods.
Oddjob:
I've also seen that Ted.
I seem to recall that the OE filters were made of better paper. The main difference was the filter paper and not many of the aftermarket filters came close. Some were pretty appalling at filtering TBH.
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