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+--- Thread: W123/OM606 radiator upgrade (/showthread.php?tid=8256)
W123/OM606 radiator upgrade - buzzboy - 08-09-2019
I am looking for cooling options for an OM606 swapped W123. Is there an upgrade radiator that bolts in? The car has been "hatted" so there isn't a whole lot of room other than something that bolts into the stock location. I was just trying to figure out if there's a W123 model that had a larger radiator. Reason being, it's an endurance race car that sees hard use for 5-8 hours straight. Our last race we had some temp issues but we opened the heater valve and that seemed to keep the temp down.
Otherwise, maybe we can move the heater core to the front of the car and use it as an auxiliary radiator?
RE: W123/OM606 radiator upgrade - SurfRodder - 08-14-2019
Here's what I ran on my w123:
https://www.speedwaymotors.com/AFCO-80103N-Universal-Fit-Racing-Radiator-26-Inch-Chevy,28128.html
Some light mods to hose connections and fan (for om606 I'd run all electrics in front of core or between core and accessory drive if you can fit them...pullers are generally more efficient) and a little creativity to make bottom bracket to fit holes in bottom of core support.
I had just mechanical flex fan with a spacer to clear other pulleys, but only ran a tuned up om617.
Anyway, much bigger core and all aluminum tig welded unit stayed MUCH cooler and never git heat soaked. would likely serve your purpose well.