OEM 930 Front Oil Cooler

[porschedude996]

I stumbled upon a OEM Front Oil Cooler PN 930-207-050-02. I was a bit dirty and needed some TLC. I took my time and clean inside and out.
The process:

MEK: I filled the cooler and let set for 24 hours. After draining the MEK had a brilliant blue-green color. Copper Sulfate I believe.

Lacquer Thinner: 24 hours. Not any color or debris. I might have softened the internal debris.

Ultrasonic Cleaner: Purple Power cleaner. 120 Fahrenheit for 4 cycles of 30 minutes. Overnight at 150 Fahrenheit. Three more cycles of 30 minutes.

Water: I rinsed for 10 minutes turning and elevating into different positions and air dried with compressed air.

Vapor Hone: I triple sealed the ports with caps and duct tape. Funny the cooler had Guards Red under some black paint. Same color as my car. I guess it is a perfect match.

Mechanical Polishing: Used my Dremel tool with small fine wire stainless steel bristles.

Before:




After:



I calculated the surface area of the trombone cooler and the 28 tube cooler and the 28 tube was twice the surface area.

[1982911SCTarga]

Good to know. I've never seen a surface-area comparison between the trombone and the 28-row cooler. Thanks for working that out.

I'm running the 28-row in both of my SCs.

Bonus: Your used hoses look like they're in good shape.

Nix

[porschedude996]

Originally Posted by 1982911SCTarga

Good to know. I've never seen a surface-area comparison between the trombone and the 28-row cooler. Thanks for working that out.

I'm running the 28-row in both of my SCs.

Bonus: Your used hoses look like they're in good shape.

Nix

I ended up buying from the same seller the bracket and new hoses. He sent the old hoses I going to use to make fittings to leak check the cooler. I’ very happy I was able to find this one. Judging from the little rock pits in the tanks, having the heavier material is wise. The Air conditioner style coolers are not ideal if you tires a throwing rocks.

[porschedude996]

Trial fit.