Topic: spin on oil filter adaptor CB750

[Scott]

Hi there
Any one using spin on oil filter adaptor for a CB750.  Do you recommend it.
Or are the fins on the original oil filter housing good for cooling the oil a little and then making it better to stick to original set up.

Thanks for your thoughts
Scott

[Finnigan]

I got one but haven't done my motor yet.  I think its a cool mod, you should do it

[Bankerdanny]

I had one on my GoldWing (got it from Randaak's) and when I sold it last Fall I re-installed the cartridge style setup and kept the adapter to use on my CB550.

I doubt the fins make much difference in cooling and you can't beat the simplicity of replacing a spin-on style filter. No more stuck housing bolts.

[70CB750]

I use an adapter and Bosch filter 3323. Not sure if it runs cooler or hotter but it works well for me for 10000 miles or so.

[mcswny]

When I got my bike it had the chrome spin on filter from cb750supply.com  but I hated paying $12 plus shipping and waiting for the new filter to come in the mail. I know you can get ones at Autozone etc. but I also didnt want a bosch logo (or any other brands logo for that matter).

Long story short, I just went back to stock finned housing and just got a new bolt. $3-4 a filter that I change with every oil change compared to $18ish made me happier.

[70CB750]

I searched hgh and low for replacements of the chrome spin on from 750 supply. I was not able to find it in any store, closest was NAPA Gold but the filter's inner plate did not clear the cast nipple on the engine.

[750K]

I'm sure it works fine but I'd rather have the stock housing take a rock on the highway than a thin bit of filter shell. Probably wont ever be an issue but just my 2 cents. If you don't over tighten the bolt you never really have to worry about getting it back off.

[70CB750]

I really have no beef in this and don't care what and why people use different oil filters, but the thin metal on the oil filter will handle the rock better than the aluminum.  The oil filter is steel and the rock may ding it, but the same rock could brake of piece of that aluminum cast housing.

Unlike low carbon steel, cast aluminum is brittle.

It is very unlikely for it to happen to either of the filters I am sure

[Whaleman]

I am sorry for my bad attutude but I think the spin on look bad. Also I can't do my magnets. If you take apart an old computer hard drive they have a very powerful magnet in them that fits perfect on the steel of the factory filter. You could actually fit a bunch of them on. I just have two. They always have some kind of black film on them but never any big pieces of metal. Dan

[mrbreeze]

I searched hgh and low for replacements of the chrome spin on from 750 supply. I was not able to find it in any store, closest was NAPA Gold but the filter's inner plate did not clear the cast nipple on the engine.

I also am stumped on the 750 Supply chrome filter. There isn't any numbers on it and I also am not interested in spending all that $$ and having to wait in the mail for it to come. When I bought it I figured it took a common filter that was easily obtainable at an auto parts store. Wrong!!! And it's a wierd filter too. The gasket is way up from where the threads are to screw it in. I've been meaning to see what it would take to rig up an adaptor for their adaptor to make it work with a common filter. I can put my "Terry" oil cooler back on but it takes a wierd filter also. Not so much wierd as uncommon. It is a Wix 51390 which fit early 70's Honda cars.
Anyone out there that has a sollution is more than welcome to share. The one sollution I don't need is putting the stock cannister type back on because I don't care for them and already sold it anyways.

[mrbreeze]

I use an adapter and Bosch filter 3323. Not sure if it runs cooler or hotter but it works well for me for 10000 miles or so.

Are you using the adaptor that came from 750 Supply or a different one (with the Bosch 3323)?

[750K]

If you don't want to wait for one to come in the mail or ordering on from a parts counter just order in bulk, I do that with my 750 as well as my Volvo. I can't get the Mann filters locally that easily, so I ordered two packs of 6 or 8. Same with my cb, grabbed 5-6 filters from my local honda parts counter. When I need them I have a stack, when I get down to the last one or two I order a bunch more, it's not like I'm not going to use them.

[JWExperience]

I us a randakk spin on adapter and as long as the threads match up then the filter is fine. There is prob a few dozen filters that would fit. Last year I ran a bosch, k&N and napa that were all the same size. There were also other filters with the same thread but different size bodies that would have also fit. You will not run out of options in my opinion. I chose the filter that I did because it fit in between my 4-1 exhaust and I do not have to drop the exhaust just to change the filter, just spin a new one on. My old filter housing with bolt and spring is available for purchase if anyone wants because spin on is all for me. The other benefit I like was that a quality filter has a pressure release so if it gets clogged it will just bypass the filter and free flow so the engine does not lose oiling.

[70CB750]

I use an adapter and Bosch filter 3323. Not sure if it runs cooler or hotter but it works well for me for 10000 miles or so.

Are you using the adaptor that came from 750 Supply or a different one (with the Bosch 3323)?

My own build, but there is not much to it - they are all pretty much the same.

http://forums.sohc4.net/index.php?topic=113992.0

[750K]

...the thin metal on the oil filter will handle the rock better than the aluminum.  The oil filter is steel and the rock may ding it, but the same rock could brake of piece of that aluminum cast housing.

Not sure if I agree with that one, take a look at the thickness of the stock cast housing pluss the fins and compare it to the thin wall of a filter. I doubt either will be an issue with a rock but I'd take the stock housing over a spin on filter if it was to take a serious impact.

[70CB750]

Maybe you don't agree with it but it's a fact. 

Try to hit oil filter with a hammer and than aluminum cast piece with a hammer.  The steel oil filter will bend, the aluminum will brake. 

[750K]

^^^Lol hit anything hard enough with a hammer and it'll break, that's a fact. Rocks aren't hammers, if you encounter a hammer flying down the highway, I'd be worried about more than my oil filter options haha.

[70CB750]

Whatever.

[750K]

No, no. Lets examine that theory, say you're on the highway doing 90-100. There's a hammer bouncing down the road that fell off a contractors truck. What are the chances it will hit the filter or stock filter housing? It's gotta make it past the front wheel as well as the pipes, which is unlikely. Then it has to hit dead on with the head or claw hard enough to break a fin and strike the shell which I doubt will happen. So yeah, I'll give you that a hammer might have more chance of actually breaking the stock filter but a rock will have more chance of actually hitting the filter. In that case I'll take the stock setup any day, lol

[dusterdude]

You guys need to understand that our sohc's arent the only bikes with a spin on filter on them in front of the engine,and i havent heard of a any issues with these other bikes.this issue is a bunch of crap about nothin


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[Dream750]

Hi there
Any one using spin on oil filter adaptor for a CB750.  Do you recommend it.
Or are the fins on the original oil filter housing good for cooling the oil a little and then making it better to stick to original set up.

Thanks for your thoughts
Scott

I’ve always used the stock 750 oil filter housing because it incorporates a bypass valve that is built into the oil filter bolt. Something to consider when making your decision. Pic is taken from the Honda CB750 shop manual. Note the pressure difference specification.
 
I’ve never tried the spin-on filters/adapters, so I can’t comment on them.

[Green1]

I have dented the spin on filter and punctured the rad on my Triumph S4 after running into a piece of inch ply at 100+mph
It over heats pretty rapidly at that speed. 

[750K]

this issue is a bunch of crap about nothin


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But, is that a fact?

[70CB750]

No, no. Lets examine that theory, say you're on the highway doing 90-100. There's a hammer bouncing down the road that fell off a contractors truck. What are the chances it will hit the filter or stock filter housing? It's gotta make it past the front wheel as well as the pipes, which is unlikely. Then it has to hit dead on with the head or claw hard enough to break a fin and strike the shell which I doubt will happen. So yeah, I'll give you that a hammer might have more chance of actually breaking the stock filter but a rock will have more chance of actually hitting the filter. In that case I'll take the stock setup any day, lol

Did you ever take any metalurgy classes?

[JWExperience]

Yeah this is crap about nothing, bunch of nonsense. This guy asked a question, I hope he got his answer before you guys decided to take over the thread for your nonsense. If this keeps going they will be talking about how well the spin on performs while riding motocross on a SOHC and avoiding metallurgist trolls chucking hammers at their bikes.