Guys,
I bought back a 1981 Plymouth Arrow last year that I had previously owned. It had a bad head gasket. My son & I pulled the motor & trans to have everything rebuilt. I had professional shops do both. The motor was completely rebuilt & we bought a brand new head for it. Well, my son has been driving it for around 7 months, around 5k miles & I'm 95% sure it has a bad head gasket again. It is messing up #4 spark plug with white deposits, radiator continues to bubble even after 20 mins of running & the radiator builds pressure fast as soon as we start the truck. I can't put anymore money into this motor, it is cursed. This is the 3rd head gasket that I know about.
My question is what motor would bolt up to my transmission? It is an automatic. If I need to get numbers off of it I can. I am weighing my options between selling it, finding just a motor that bolts to trans or looking for an entire drivetrain to replace motor & trans. Swapping in a motor that bolts to existing trans seems like the easiest & most affordable. I've heard a 4G63 will work but not sure where to find one. Any help is greatly appreciated. Thanks
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