engine swap into a 73 roadrunner

Asked by Jun 28, 2015 at 04:55 PM about the 1973 Plymouth Road Runner

Question type: Car Customization

I have recently obtained a 73 roadrunner with a stock 400 big block with a 4 speed
transmission and 8 3/4 rear end all numbers matching. I want to replace the engine with
something newer so if  I do have to resell it I can put the original engine back with it. Does
anyone know an engine that I could drop in with minimal trouble?

4 Answers

45

check the oil pan on the newer engine first. seen a lot of this.

23,865

had one of those in 73...great cars and nice body/ check this link>http://www.bpeusa.com/P5249667AC.asp

1 out of 1 people think this is helpful.

I am just looking to find a cheap engine that would work. My idea was to get a "junk" engine and make it a nice daily driver that wont break the bank on gas.

1,535

My choice would be a 383 or 440 engine. Many in salvage yards. I put a 440 into a Barracuda once. It was from a Dodge R/T that was totaled in the rear.

1 out of 1 people think this is helpful.

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