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Old 12-27-2021, 05:10 PM
nmoreilly nmoreilly is offline
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Default 63 421 HO Production

Merry Christmas �� Everyone

Was wondering if anyone would know production breakdown for code 11B 421’s for Catalina vs Grand Prix’s in 1963 ?

Thanks in advance !!

Noel

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Old 12-28-2021, 02:16 PM
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Might look in McCarthy's book?

All I have is there were 1365 engines produced.


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Old 12-28-2021, 05:56 PM
nmoreilly nmoreilly is offline
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Quote:
Originally Posted by johnta1 View Post
Might look in McCarthy's book?

All I have is there were 1365 engines produced.

Thanks first thing I did was check McCarthy book

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Old 01-04-2022, 10:01 PM
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Quote:
Originally Posted by johnta1 View Post
Might look in McCarthy's book?

All I have is there were 1365 engines produced.

I wonder if that incudes SR blocks? I have a SR 421 HO engine in my 63 Catalina.

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Old 01-05-2022, 07:29 AM
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The 1365 does not include the SR blocks.



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Old 01-05-2022, 11:25 AM
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Here's mine
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1963 Pontiac Catalina 421/ 4 speed
1964 Pontiac Catalina 3x2 / 4 speed
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Old 01-05-2022, 11:47 AM
tom s tom s is offline
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I have a 63 HO block in my 62GP,was not a SR block.Tom

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Old 01-05-2022, 12:41 PM
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My car was used as a race car, mostly streed raced but no longer has the original drivetrain. Presently has a 1964 421 HO block and a Richmond 4 speed.

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1959 Pontiac Catalina Sport Coupe 3x2 3 speed manual
1960 Pontiac Ventura 425A / 4 speed
1961 Pontiac Catalina Tri Power / 4 speed
1961 Ford Starliner 390 / 401/ 4 speed
1962 Corvette 327/300 / 4 speed
1962 Gran Prix Tri Power / 4 speed
1963 Pontiac Catalina 421/ 4 speed
1964 Pontiac Catalina 3x2 / 4 speed
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