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Author Topic: Oil Cooler Thread  (Read 156322 times)

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Offline voxonda

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Re: Oil cooler for my cb750 836cc, F2 engine
« Reply #350 on: April 17, 2008, 08:45:13 AM »
Hi Harald,

For 'normal' use the bike doesn't need a oilcooler. The temperature range in Denmark is compatible with the Netherlands. If you use a full fairing or 'work' the engine you might need one. But even then a small one is sufficient enough. I use a small Mocal cooler on my full faired Japauto. With the larger oiltank should do the trick.


Cheers, Rob
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Offline mikedialect

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Re: Oil cooler for my cb750 836cc, F2 engine
« Reply #351 on: April 17, 2008, 09:24:29 AM »
that's stock.


I'd imagine a real oil cooler would work much better.
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Offline Geeto67

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Re: Oil cooler for my cb750 836cc, F2 engine
« Reply #352 on: April 17, 2008, 12:32:02 PM »
Quote from: mikedialect on April 17, 2008, 09:24:29 AM
that's stock.


I'd imagine a real oil cooler would work much better.

Yeah I was about to say that is the stock piece from an F2. You don't see them often because they run afoul of most aftermarket exhaust systems. Obviously honda thought it did something as they put it on as a "bad aid" measure for the hotter 77-78F bikes.

I hope you didn't spend a lot on that one, the last two I got were free. 
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Offline roadkill savior

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oil lines from cooler adapter
« Reply #353 on: April 20, 2008, 05:51:00 PM »
Most CB750's that I've seen have the adapter turned so that the oil lines point up into the oil radiator. I'm wondering if there will be a problem with putting the adapter on with the lines facing down with elbow fittings pointing outward and then up to the cooler?
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Offline bwaller

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Re: oil lines from cooler adapter
« Reply #354 on: April 20, 2008, 06:23:41 PM »
That's the way mine is, no problem.
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Offline Terry in Australia

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Re: Oil cooler for my cb750 836cc, F2 engine
« Reply #355 on: May 04, 2008, 07:16:39 PM »
I've just machined up a sexy new "top flo" oil cooler adapter for use with spin on filters for our SOHC4 bikes this weekend, I'll post a couple of pics tonight when I get home.

I threw away my Honda CB750F2 "Factory" oil cooler long ago as a bad joke, I doubt if it did anything usefull at all. Cheers, Terry. ;D
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Offline harald

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Re: Oil cooler for my cb750 836cc, F2 engine
« Reply #356 on: May 04, 2008, 09:55:33 PM »
Hello Terry, please send the pictures I am very interested in how you made it, is it possible to buy one from you ?  ;D
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Offline Terry in Australia

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Re: Oil cooler for my cb750 836cc, F2 engine
« Reply #357 on: May 05, 2008, 03:55:19 AM »
Is it possible? Is the pope a nazi? Ha ha, here's a couple of pics. ;D

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I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline voxonda

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Re: Oil cooler for my cb750 836cc, F2 engine
« Reply #358 on: May 05, 2008, 04:08:18 AM »
Hey Terry,

Looks good mate, if you look half as good you're a handsome man! ;D ;D

I am a ugly guy, will show pic's of mine when I get home.

Cheers, Rob
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troppo

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Re: Oil cooler for my cb750 836cc, F2 engine
« Reply #359 on: May 05, 2008, 04:21:20 AM »
You got any of those on the market terry?

Going to have a full fairing on the bike when she hits the road, might a little cooling help.
Cheers mate
Troppo
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Offline eurban

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Re: Oil cooler for my cb750 836cc, F2 engine
« Reply #360 on: May 05, 2008, 04:59:00 AM »
Nice work with the spin on / oil cooler adapter.  Ever think about engineering a thermostat into the adapter? 
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Offline Terry in Australia

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Re: Oil cooler for my cb750 836cc, F2 engine
« Reply #361 on: May 05, 2008, 05:17:28 AM »
Quote from: troppo on May 05, 2008, 04:21:20 AM
You got any of those on the market terry?

Going to have a full fairing on the bike when she hits the road, might a little cooling help.
Cheers mate
Troppo

Thanks Trop, and yes mate, they are for sale. Cheers, Terry. ;D
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I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

troppo

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Re: Oil cooler for my cb750 836cc, F2 engine
« Reply #362 on: May 05, 2008, 05:22:33 AM »
That`d  be right, i just buy myself a spin on adapter and now you show me shiny spin on cooler adapters !!!!!!!!!!!!!!!!!!!!!
Not bloody fair i say! ;)
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Offline Terry in Australia

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Re: Oil cooler for my cb750 836cc, F2 engine
« Reply #363 on: May 05, 2008, 05:25:59 AM »
Quote from: eurban on May 05, 2008, 04:59:00 AM
Nice work with the spin on / oil cooler adapter.  Ever think about engineering a thermostat into the adapter? 

G'Day mate, yeah, I've thought about it, but decided that it was too tricky, and as you can buy in-line thermostatic bypass valves from Lockhart, I didn't bother to proceed with it.

I've seen an old cast adapter from Derale that had a thermostat fitted, but I don't know how well it worked.

Good thing with this type of cooler is that it takes less than 30 minutes to install or remove it, so when it gets cold, I could just take mine off if I didn't already have the Lockhart in-line 'stat. Cheers, Terry. ;D

Quote from: troppo on May 05, 2008, 05:22:33 AM
That`d  be right, i just buy myself a spin on adapter and now you show me shiny spin on cooler adapters !!!!!!!!!!!!!!!!!!!!!
Not bloody fair i say! ;)

Stop sooking and I'll give you a discount on the cooler adapter! ;D
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I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

troppo

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Re: Oil cooler for my cb750 836cc, F2 engine
« Reply #364 on: May 05, 2008, 05:29:44 AM »
OOOOOOOOOOOOOOOOOOOOOOOOOO
cut and pasted hehehehehehehehehehehehehe
PM sent
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Offline voxonda

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Re: Oil cooler for my cb750 836cc, F2 engine
« Reply #365 on: May 05, 2008, 09:48:28 AM »
Hi Terry,

This is how I did the spin-on. Use the filter of the 750VFR. No connection for a cooler 'cause placed the cooler in line with the oiltank.


cheers, Rob
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Offline Terry in Australia

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Re: Oil cooler for my cb750 836cc, F2 engine
« Reply #366 on: May 05, 2008, 02:11:41 PM »
That's very nice Rob, and I like those header pipes too, did you make them? I think it's time you posted a full size pic of that bike mate, it looks cool! Cheers, Terry. ;D
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I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline Sam Green Racing

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Re: Oil cooler for my cb750 836cc, F2 engine
« Reply #367 on: May 05, 2008, 03:08:56 PM »
You can see pics in the CR thread at the top of the page Terry.

Sam. ;)
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Offline Terry in Australia

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Re: Oil cooler for my cb750 836cc, F2 engine
« Reply #368 on: May 05, 2008, 05:28:49 PM »
Thanks Sammy! ;D
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I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline roadkill savior

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oil cooler under motor
« Reply #369 on: May 29, 2008, 05:55:38 PM »
Has anybody ever mounted an oil cooler under the motor? Is there a problem with creating an oil trap? Does the oil still flow?

Thanks, Matt
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Offline kghost

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Re: oil cooler under motor
« Reply #370 on: May 29, 2008, 06:19:29 PM »
Like flat under the motor?

How would the air flow thru it?
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Offline roadkill savior

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Re: oil cooler under motor
« Reply #371 on: May 29, 2008, 06:49:45 PM »
I realize that the cooling performance would decrease but it's still going to cool better than none at all.

I was more concerned about the cooler being lower than the pump.



It's just that I'm geeting closer to finishing the bike and I'm starting to think ahead. I don't even have the cooler yet.......been keeping my eyes open for someting that would fit this. I have a Thermo-chem adapter but the lines come out of the top and I can see where there might be a fitment problem with the oil lines.
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Offline kghost

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Re: oil cooler under motor
« Reply #372 on: May 29, 2008, 06:52:11 PM »
You know with all that tube under the triple trees...perhaps a pair of those finned coolers you see on harleys?

Basically a tube with fins ...two of them...one on each downtube?
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Offline Ricky_Racer

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Re: oil cooler under motor
« Reply #373 on: May 29, 2008, 06:58:27 PM »
Matt, since the cooler would be facing the wrong way for airflow, you'd have to create a metal air diverter. But, I think the greatest problem is the danger of punching a hole in the cooler, coating your rear tire or/and grenading the motor.

Mounted to the front of the rear fender, possibly. Mounted atop the rear fender (Egli-style), effective but ugly. Mounted underneath a low engine... too potentially scarey to be priceless.  Just MHO, of course.   RR
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Offline kghost

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Re: oil cooler under motor
« Reply #374 on: May 29, 2008, 07:14:27 PM »
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