I did a BAD thing!
 

Well with all that was going on this fall with my Fathers health I think i made a costly mistake. I was out in the barn both my egines are on stands waiting for rebuilds. When I pulled them I pulled the block plugs and the manifold hoses off and drained the motors what I thought was complete....well I left the rear hose on the oil coolers.....the water pused the back caps right off slick as a whistel. Can they be put back together or are they shot? They dont look like they were braised maybe just pressed together?????anyone?

Re: I did a BAD thing!
 

They can usually be solder right back on, no problem

Re: I did a BAD thing!
 

Make sure to test them before running your engines. It's possible they were damaged internally.

Re: I did a BAD thing!
 

I hope so......

Re: I did a BAD thing!
 

Well I can go a step further. I did the same thing, then replaced the cooler and reversed the oil lines :eek:
20 hours later the knock in the engine started :(

Re: I did a BAD thing!
 

Dyno,
I did the same thing one year... I just soldered it back on.. but you can take it to a local radiator shop and have them solder and psi test it.. I am sure they could handle it. I would think 40psi on the water side and 90psi on the oil side would tell you if it is still good. I later took the steering part off and soldered the cap from the cooler on to the small section (two section cooler) and replaced the big part with a bigger part and kept the small part for the steering.. still using it today!
Hope that helps
Dick

Re: I did a BAD thing!
 

Go to your room!

Re: I did a BAD thing!
 

dyno,

What do your coolers look like? I have some HP500 oil/powersteering coolers that mount to the rear bellhousing with intake on the bottom starboard/outlet on top port I'm taking off my motors. Let me know if you need these.

Chris

Re: I did a BAD thing!
 

Chris yours may be an upgrade what do you want for them?

Re: I did a BAD thing!
 

I believe I paid around $400 each a few years ago. I have no thermostatic controls and Sterling thinks they are too big ... I was probably running too cold. I want to make sure they will work for you and if so, I will give you a really good deal, my friend. CAll me @ 419-882-1680 or I will try you later after I get up this afternoon. Night shift sucks! :(

Re: I did a BAD thing!
 

If they are too big for you then they are for me also....your Sterlings would make more heat than my baby motors, but thanks anyway.

Re: I did a BAD thing!
 

When you get the caps soldered back on there is a risk that some of the solder around the tubes inside may move, so it is important to pressure test the cooler.

This is how I tested a freinds oil cooler.

remove from boat if you can.

install 100 psi guage in one oil port.

install valve and air line fitting in other oil port.

using air line, pressurize oil side of cooler to 90 psi and close valve.

if pressure still holding after 1 hour you are probably ok.

if losing pressure check fittings with soapy water for bubbles. cover water inlet and outlet with clingfilm and wrap with tape, if they balloon up, cooler has had it.

Good luck

Re: I did a BAD thing!
 

cool

Re: I did a BAD thing!
 

Dyno,
I did the same thing about 6-7 years ago, soldered it back together, and pressure tested. I am still using the same cooling with no problems. It happens to the best of um'.