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My GS1100 Oil cooler conversion with pics:

  • Thread starter Thread starter Road_Clam
  • Start date Start date
Okay, okay...I give. Braided it is then. I guess using a typical transmission cooler line with a cloth type braid would not have been good enough.
 
So...

Can the dummy bolts be replaced with a bolt that has a 3/8" or similar barb-type connector so we can at least just push on the hose and clamp it? If this can be done, where can I get the stuff???
 
AOD said:
Katman, I'd be interested in the AN fittings that fit the block. I rather not go back to the banjo fittings if possible. I removed a stock 1150 cooler from my 1100 because I didn't have the 1150 oil filter cover and I believe it leaked slightly onto the exhaust.

If I could replace the hoses on the stock cooler with fittings and such, I'd consider putting it back on.

~Adam
Click to expand...

I have a couple sets here Adam. email me stunts@telus.net with your address and I will get a pic out to you. Do you paypal?
 
Oil Cooler Issues

Oil Cooler Issues

I'm probably not as knowledgable as KatMan... but I believer if you use the same set up as he has you still need to use the 1150 cover... without it, oil will not flow thru the gallies that are next to the cover. I'm using a cooler that I purchased from J.C. Whitney that's made in Canada. It's slightly larger and has NPT fittings on it which makes it an easy line attachment for AN fittings. It's a bit thicker and the vanes run at an angle rather than straight thru which is suppose to create more cooling surface. As I recall it's quite reasonably priced.. in fact I run the same cooler on my 1200 Bandit. I also run a V & H oiler system that takes it from the pressure fitting under the cam chain tensioner... only I run the oil from there to the Exhaust cams where most of the heat is generated... with the belief that this is where the cooling effect of the oil should do the most good. I have pics to post if someone can explain how that's done.
Steve
 
IMO, the 1150 cover is simply a method for slightly increasing flow pressure via a semi-restricted passageway on the feed side of the o/f cavity. It's my guess the stock GS1100 engineered oil system doesn't produce quite enough pressure to pump oil up to an auxillary cooler.

Before I installed my lines, I had to make sure I installed the pressure feed oil line into the corresponding oil cooler inlet. I placed both lines in a coffee can, and fired up my bike, and at a high idle the oil flows out at a pretty good rate from the 1150's RH port (which is the port that has the casted restrictor in it)
 
Last edited:
the 1150 plate all but blocks the oilway. without it no oil gets up to the cooler. the 1100 has plenty of presure to feed the cooler. without the restrictor no bike would send the oil to the cooler.
All you need to do is feel the lines to know they are working cuz they are very hot.
put an 1100 plate on an 1150 and you will see no oil gets to the cooler either.
 
Road_Clam said:
IMO, the 1150 cover is simply a method for slightly increasing flow pressure via a semi-restricted passageway on the feed side of the o/f cavity. It's my guess the stock GS1100 engineered oil system doesn't produce quite enough pressure to pump oil up to an auxillary cooler.

Before I installed my lines, I had to make sure I installed the pressure feed oil line into the corresponding oil cooler inlet. I placed both lines in a coffee can, and fired up my bike, and at a high idle the oil flows out at a pretty good rate from the 1150's RH port (which is the port that has the casted restrictor in it)
Click to expand...
The reduced port is not for increasing oil pressure, but to divert oil to the cooler. My guess is that the small orifice is to keep the motor from siezing when some idiot removes the cooler and doesn't swap out the plate. Dummy insurance.
 
Let me make sure I have it right

Let me make sure I have it right

OK, as I understand it. For my 82 GS1000SV Katana, I track down a complete 1150 (year?) banjo bolt / braided SS oil line / oil filter cover / and oil cooler. I would need to fabricate attachment brackets for the cooler. The oil lines go to banjo bolts that replace the big bolts on the sides of the filter cover. The one on the right is output.

Do I have it right?
 
bbutler455 said:
OK, as I understand it. For my 82 GS1000SV Katana, I track down a complete 1150 (year?) banjo bolt / braided SS oil line / oil filter cover / and oil cooler. I would need to fabricate attachment brackets for the cooler. The oil lines go to banjo bolts that replace the big bolts on the sides of the filter cover. The one on the right is output.

Do I have it right?
Click to expand...

The problem is you will never find a set of oil lines. That GS guru "Katman" knows of a special fitting that threads right into the block instead of the stock Suzuki banjo bolt. I did not know of this option until I was almost done with my setup. PM him and he can explain it in better detail.
 
bbutler455 said:
OK, as I understand it. For my 82 GS1000SV Katana, I track down a complete 1150 (year?) banjo bolt / braided SS oil line / oil filter cover / and oil cooler. I would need to fabricate attachment brackets for the cooler. The oil lines go to banjo bolts that replace the big bolts on the sides of the filter cover. The one on the right is output.

Do I have it right?
Click to expand...

Nothing to do with you mods, I thought I should point out that a 1982 GS1000s is an SZ not an SV, see my sig line.

Dink
 
Tom MLC said:
Then I heard through the GSR about Terry's adapter. I decided to go that way. I haven't installed his unit yet, but it looks terrific. Nice craftsmanship. It will replace the oil pressure sensor plate below the cam tensioner. Comes with all hardware for mounting, including a gasket, and barbed fittings for oil in & out. With Terry's adapter, and the oil cooler mounted "upside down" I plan to route my lines (steel braided push on - with pinch clamps) through the frame and over the top of the motor like renobruce did.
Thanks for the wrap, how'd you go Tom? I've been busy making adapters for Honda CB750's and I've just started making 6061 T6 billet fork braces, but now the sun is back out here (was 97 Degrees F at 6pm last night) I'm off the BMW and back on to my GS1000S.

Re: the comments about braided hose vs rubber transmission hose, I suppose the braided is useful as extra protection from rocks and heat from the exhaust headers if you're running your lines from the front of your engine, but with my adapter at the rear of the cylinder block with the hoses routed up and over, braided lines are more aesthetically pleasing than necessary.

Good quality transmission hose is 3 or 4 mm thick, and rated to a couple of hundred psi, so is plenty durable enough if you use my adapter. Of course, I'm more than happy to tap my adapters for AN fittings if someone prefers them. Cheers, Terry.
Click to expand...
Click to expand...
 
oil cooler fitting

oil cooler fitting

Terry, can I get a picture of your adapter installed? Go I still need the 1150 oil filter cover?
 
Brock, you will not need the 1150 oil filter cover with Terry's adapter. Here's a pic with it installed on my 1100. Sorry, the quality of the pic is not too good. I'll get better shots this winter when I do a top end re-build. As you can see, I used too much gasket goop! As for Terry's part, the quality is top notch!
HPIM0375.jpg

HPIM0372.jpg
 
Geez that's a nice looking engine Tom, how about posting a pic of the rest of your bike? Thanks for posting that pic, I think that'll answer a couple of questions I've just received from other GSR members.

The price of my adapter (complete with gasket, screws, hose fittings etc) is $75.00 US, and I can tap it for an oil temp sender for another $10.00. Airmail Shipping to the US or Canada is $20.00, or $25.00 to Britain and Europe. Cheers, Terry
 
terry said:
Geez that's a nice looking engine Tom, how about posting a pic of the rest of your bike? Thanks for posting that pic, I think that'll answer a couple of questions I've just received from other GSR members.
Click to expand...
Thanks mate. Check out the BOM for August. I put in a good word for you! Lots of before & after pics in my sig, too.

For your adapter, I'll probably switch to AN fittings & braided lines this winter. I'll try to remember to send you a few pics.
 
Terry, I was wondering if your adapter would also work on a 1983 GS-650-GD?

I have been thinking of putting an oil cooler on it, but unless your adapter works on it, I dont think there is any other way of doing it on a 650.

Thank you very much.
 
Chris Daniel said:
Terry, I was wondering if your adapter would also work on a 1983 GS-650-GD?

I have been thinking of putting an oil cooler on it, but unless your adapter works on it, I dont think there is any other way of doing it on a 650.

Thank you very much.
Click to expand...

G'Day Chris, no worries mate, does the 650 have an oil pressure switch plate behind the cylinder block like the 750-1150? I think it does, I'm sure I sold one of my adapters to a GSR member with a 550 a while ago, and so i presume it was common on all models? If it does, then my adapter will work for you too! Cheers, Terry.
 
Tom MLC said:
Thanks mate. Check out the BOM for August. I put in a good word for you! Lots of before & after pics in my sig, too.

For your adapter, I'll probably switch to AN fittings & braided lines this winter. I'll try to remember to send you a few pics.
Click to expand...

OK Tom, thanks for that, I'll check it out! Cheers, Terry.
 
Well, unfortunatly the 650's (or at least my 650) does not have anything below the chain tensioner. I believe the sending unit for the oil pressure light is located somewhere on the bottom of the engine on my 650. So that idea is shot LOL.
 
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