trying to find out how much my my motor is worth its the rare 421 big block super duty bored 60 over with racing heads

Asked by Jan 04, 2015 at 05:09 PM about the 1961 Pontiac Catalina

Question type: Shopping & Pricing

i'm told it's very rare engine my dad took it out of his race car back in the 60's stored it
ever since now its mine and i was told it's worth a lot of money.he took it out of a 61
Catalina built 60 over with racing heads. Then he put it in his 1964 GTO and wrapped it
around a telephone pole took the motor out scrapped the car n kept the motor ever since

4 Answers

1,105

It is a rare motor, but the fact that is is so old and has already been bored so deeply may make the block useless as it is likely rusted and would need boring again. But I doubt it can be as you can only cut so deep. The heads can likely be reworked though. Just me opinion and I am no expert.

13,055

In 1961 it was one of Pontiac's top dogs but with its rough history it probably is past its monetary peak. Unusual paperweight though!

I have the 421 super duty Factory tri-power block it's bored 60 over I had it tested it could go up to 90 I'm having the bottom in built right now at Tom's high performance I would never sell mine he would have to blow up first

I think the pontiac 421 is one heck of a hi po engine and they are some what rare. I used to have a 1967 firebird with factory 326 boat anchor.Well the boat anchor sunk one day, just happened on a 421 in a bonneville 2+2. We dropped that 421 in the firebird{powerglide tranny, stock rear end gears??}. It ran mid 11s vs. 326 15s 16s. The 421 would probably ran even better if I had set the car up for raceing. I wish I would have kept it.

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