Quote:
Originally Posted by andrew.fletcher
Now that my project is actually progressing, next up is the radiator. It's a 4BD2T going into a '72 FJ55. I've got the stock 55 rad and the Isuzu rad (way too tall). Isuzudieselswapper says stock rads are fine regardless of application and I am always leary of all encompassing comments like that. I see a few have stuck with stock and a few have changed out. Since I'm gonna be running a/c there's a little more strain on the engine but not much.
This may be one of those good to do now if you have the extra cash but wait until later because other costs are piling up quick.
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What Isuzudieselswapper means is that a comparable petrol engine puts far more heat into the coolant. Unless you're pulling out a tiny petrol engine or much smaller diesel engine the stock radiator will be fine.
I'd stick with your original. The Isuzu truck one is sized for pulling 8000kg of truck and load up steep hills in the tropics.