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Old 11-07-2014, 12:00 PM
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gentile3 gentile3 is offline
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Default 421 production numbers

anyone know where i can find these online?

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1965 Bonne Coupe 421 3x2
1965 Bonne Conv
1964 Gp 4spd - parting
1963 Catalina Conv 3x2 4sp
1963 Gp 4spd
1963 Catalina post 4spd
1962 Bonne Conv 425a 3x2 4spd

i have an addiction and need help...
  #2  
Old 11-07-2014, 12:44 PM
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Are you looking for a specific year or engine option, or just for all 421s ever built?

  #3  
Old 11-07-2014, 03:21 PM
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Default numbers

wondering how many 421 ho's made in 1966?

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2007 Chrysler 300 C SRT8
2005 Pontiac G6
2000 Yamaha R1
1999 Chevy Silverado Ext Z71
1998 Ducati 916 SPS
1998 Honda ex300
1997 honda ex300
1997 Mustang Cobra
1997 Sea Doo Challenger 1800
1965 Bonne Coupe 421 3x2
1965 Bonne Conv
1964 Gp 4spd - parting
1963 Catalina Conv 3x2 4sp
1963 Gp 4spd
1963 Catalina post 4spd
1962 Bonne Conv 425a 3x2 4spd

i have an addiction and need help...
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Old 11-07-2014, 05:32 PM
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Around 500 YKs (Auto A/C). Not sure about the others

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  #5  
Old 11-07-2014, 05:35 PM
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actually looking for info on YJ. sorry, im sure when i put HO everyone thought 376hp

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2007 Chrysler 300 C SRT8
2005 Pontiac G6
2000 Yamaha R1
1999 Chevy Silverado Ext Z71
1998 Ducati 916 SPS
1998 Honda ex300
1997 honda ex300
1997 Mustang Cobra
1997 Sea Doo Challenger 1800
1965 Bonne Coupe 421 3x2
1965 Bonne Conv
1964 Gp 4spd - parting
1963 Catalina Conv 3x2 4sp
1963 Gp 4spd
1963 Catalina post 4spd
1962 Bonne Conv 425a 3x2 4spd

i have an addiction and need help...

Last edited by gentile3; 11-07-2014 at 05:48 PM. Reason: my stupidity...
  #6  
Old 11-28-2014, 11:42 AM
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Default 63 421 HO's

This is from memory (off my PHS paperwork) so it may not be 100% correct, but in 1963 there were approx 242 421 HO's built. Bonnes, Cats, etc ...

Just FYI

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1963 Bonneville SW 421HO
1967 Bonneville SW 400
1969 GP 428 4spd
1970 GTO 400 4spd
1970 Bonneville SW 455
1971 GP 400 4spd
1971 Grandville Conv 455
1972 Catalina Conv 455
1972 Grandville Conv 455
  #7  
Old 11-28-2014, 01:23 PM
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Quote:
Originally Posted by brucee70 View Post
This is from memory (off my PHS paperwork) so it may not be 100% correct, but in 1963 there were approx 242 421 HO's built. Bonnes, Cats, etc ...

Just FYI
Wow that is a low number. Thanks for sharing that, Bruce!

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Old 11-28-2014, 01:55 PM
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I thought the number was higher than that just for the 08b and 11b s. But im good with your number and will throw it out at the wife every time she sees a 421-related charge on the visa.

Eye candy anyone?
Attached Thumbnails
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  #9  
Old 11-28-2014, 02:58 PM
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That is some SWEET candy! Love the air cleaners, BTW! (FWIW, my 421, built in OCT of '62, is an 11 B/T and is going in my '62 GP.)

gentile3, maybe you can call/email Rick Gonser in the POCI - he is a tech advisor and may have access to production numbers for your block code.

  #10  
Old 11-29-2014, 09:00 AM
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Quote:
Originally Posted by ho421 View Post
I thought the number was higher than that just for the 08b and 11b s. But im good with your number and will throw it out at the wife every time she sees a 421-related charge on the visa.

Eye candy anyone?
Great Pic ! I'll pull the paperwork out with the #'s and post when I get home this evening.

Bruce

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1963 Bonneville SW 421HO
1967 Bonneville SW 400
1969 GP 428 4spd
1970 GTO 400 4spd
1970 Bonneville SW 455
1971 GP 400 4spd
1971 Grandville Conv 455
1972 Catalina Conv 455
1972 Grandville Conv 455
  #11  
Old 11-29-2014, 11:16 AM
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OK ... 1966 421's are as follows:

421 4bbl auto 7361 (YH, YT, YZ)
421 4bbl manual 1896 (WG, WK)
421 tri power auto 993 (YJ, YM)
421 tri power manual 547 (WH)
421 HO auto 562 (YK)
421 HO manual 520 (WJ)

These number include all Police Car engines.

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  #12  
Old 11-30-2014, 12:22 PM
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Default I was so wrong ...:-) 63 Engine Production Numbers

Quote:
Originally Posted by ho421 View Post
I thought the number was higher than that just for the 08b and 11b s. But im good with your number and will throw it out at the wife every time she sees a 421-related charge on the visa.

Eye candy anyone?
Ok ...I was wrong ! It shows that I mentally blocked out ALL other 421 HO's that were not like mine. Attached are the 63 Pontiac Engine Production Numbers provided to me by PHS.

08B's and 11B's were much higher Bob ...(don't tell your wife :-) )

I remember thinking that 262 was a low number of 421 HO 3x2 automatics made when I was hunting for a 50Q block way back in 2003. My car was missing the original block and I wanted to find a real 50Q ....spent a year or more hunting on ebay. Purchased a 64 421 3x2 auto block (forget the code) when it became available and the logistics of getting it were right. Then ....not 3 months later a friend found a 50Q block for sale on ebay ...and I had to have it. Think I drove 1800 miles round trip to pick it up.
Ahhh ...the good old days of parts hunting !!
Attached Files
File Type: pdf 63Pontiac_Engineprod_numbers.PDF (278.5 KB, 80 views)

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1963 Bonneville SW 421HO
1967 Bonneville SW 400
1969 GP 428 4spd
1970 GTO 400 4spd
1970 Bonneville SW 455
1971 GP 400 4spd
1971 Grandville Conv 455
1972 Catalina Conv 455
1972 Grandville Conv 455
  #13  
Old 11-30-2014, 12:37 PM
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Quote:
Originally Posted by brucee70 View Post
Ok ...I was wrong ! It shows that I mentally blocked out ALL other 421 HO's that were not like mine. Attached are the 63 Pontiac Engine Production Numbers provided to me by PHS.

08B's and 11B's were much higher Bob ...(don't tell your wife :-) )

I remember thinking that 262 was a low number of 421 HO 3x2 automatics made when I was hunting for a 50Q block way back in 2003. My car was missing the original block and I wanted to find a real 50Q ....spent a year or more hunting on ebay. Purchased a 64 421 3x2 auto block (forget the code) when it became available and the logistics of getting it were right. Then ....not 3 months later a friend found a 50Q block for sale on ebay ...and I had to have it. Think I drove 1800 miles round trip to pick it up.
Ahhh ...the good old days of parts hunting !!

Just an FYI ....from the production # sheet

421 HO A 3x2 28G 444 is an Auto in a Catalina/GP -RotoHydramatic
421 HO A 3x2 50Q 262 is an Auto in a Bonne/StarChief - SuperHydramatic

421 HO A 4 47Q 155 is an Auto in a Bonne/StarChief - SuperHydramatic
421 HO A 4 25G 275 is an Auto in a Catalina/GP -RotoHydramatic

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1963 Bonneville SW 421HO
1967 Bonneville SW 400
1969 GP 428 4spd
1970 GTO 400 4spd
1970 Bonneville SW 455
1971 GP 400 4spd
1971 Grandville Conv 455
1972 Catalina Conv 455
1972 Grandville Conv 455
  #14  
Old 12-03-2014, 04:06 PM
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Quote:
Originally Posted by 70ra455 View Post
OK ... 1966 421's are as follows:

421 4bbl auto 7361 (YH, YT, YZ)
421 4bbl manual 1896 (WG, WK)
421 tri power auto 993 (YJ, YM)
421 tri power manual 547 (WH)
421 HO auto 562 (YK)
421 HO manual 520 (WJ)

These number include all Police Car engines.
I came up with the same numbers, but have the HO numbers switched.
520 for the Auto (YK)
562 for the manual (WJ)

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