I'm running a standard Mocal
oil cooler and have developed a leak.
Oil blows back from the cooler fins under speed, resulting in
oil loss and subsequent loss of pressure. The fittings are tight and it appears the the leak is in the core near the top fitting, although there is no damage to any of the cooling fins. My questions are as follows: Assuming I can remove and pressurize the cooler and determine that the leak is indeed in the core, what could be done to mend the break? Aluminum is tricky stuff and I hate to scrap a $140 cooler or ruin the unit attempting a fix that won't work. Anybody had a similar problem? Anybody have a suggestion as to a fix?