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Old 12-06-2017, 03:25 PM   #1
oldskool
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Default 1962 421SD Pistons

Any of you Pontiac guys know of anybody who might have at least one decent 1962 421SD factory piston ?

A Stock racer needs one to send to the piston maker to duplicate & send to NHRA for approval.
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Old 12-07-2017, 10:43 AM   #2
Adger Smith
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Default Re: 1962 421SD Pistons

I have a set of original 455 SD pistons if that will help.
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Old 12-07-2017, 04:31 PM   #3
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Default Re: 1962 421SD Pistons

Mickey Thompson ORIGINALLY made the "custom" pistons for the SD engines might try contacting M/T see if they still have any prints and /or they would even make 1 piston OR if they had any paperwork where they could still make a piston---FED 387
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Old 12-07-2017, 05:06 PM   #4
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Default Re: 1962 421SD Pistons

Try Lynn McCarty he is listed here on classracer.
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Old 12-07-2017, 08:22 PM   #5
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Default Re: 1962 421SD Pistons

Thanks for the replies !

I'll check out all leads.

I know there are bound to be a few guys who have gathered up lots of the old 421SD stuff. I just don't know any of 'em.

Don't need a whole set. Just need one decent piston, suitable as a pattern for making a copy of it.

But, I suppose an official, detailed description MIGHT be sufficient to get NHRA approval. Or, must they see an actual original piston, to compare it to the copy ? Anybody know, for sure ?
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Old 12-07-2017, 09:42 PM   #6
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Thumbs up Re: 1962 421SD Pistons

OMG!! 421 Super Duty Stocker, way too cool I can't wait to see this one.
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Old 12-08-2017, 11:39 AM   #7
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Default Re: 1962 421SD Pistons

Quote:
Originally Posted by Bench Racer View Post
OMG!! 421 Super Duty Stocker, way too cool I can't wait to see this one.
Yeah, and the guys who are gonna do it know what they're doin, too !

Back in the old days, before he moved on to quicker stuff, Don Gay did pretty good with a 421SD Stocker. I suspect these cars won quite a few races around the country, on thru the mid '60's. I don't have a clue how long it's been since anybody had a serious 421SD Stocker. ??? But it's been long enuff so that there are no NHRA approved pistons for that engine.
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Last edited by oldskool; 12-08-2017 at 07:03 PM.
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Old 12-08-2017, 12:18 PM   #8
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Default Re: 1962 421SD Pistons

I have a couple of guys looking
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Old 12-08-2017, 06:39 PM   #9
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Default Re: 1962 421SD Pistons

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Originally Posted by bob^3240 View Post
I have a couple of guys looking
Thanks Bob !
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Old 12-09-2017, 12:14 AM   #10
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Default Re: 1962 421SD Pistons

Love it. Well, while I'm being ignored let me chime in with some facts. Pontiac had their own pistons too, not just M/T's. I've had three NOS sets given to me by Jess Tyree when he was running my engine in his '63 Tempest. I still have one full set.In the factory boxes with factory part numbers. But that's ok. Pontiac knowledge? Who? Me? pfffft.
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