WHAT SIZE ENGINE DO U RECOMMEND TO PUT IN MY 73 IMPALA CUSTOM 2DR
that would be a good start, but if you can afford it buy a rebuilt long block from GM and save yourself alot of headachs.
400 is good since you own it but I have always been a fan of the small block chevy 350 with HEI ignition. Again a lot less headaches especially if you can find a 4 bolt main.
a good 383 stroker would pick the front tires up nicely
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