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Old 04-09-2019, 03:56 PM   #1
tbirdlindsey
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Question stocker engine question

I've built my own motors for years but they all have been for other type racing but i know that building a stocker motor is totally different i'm sure - is there a source for info like clearances , rings , oil pumps , little tricks , etc. I would think that everything is done to reduce drag and increase power . I know there are engine builders that know what to do to get all there is out of an engine . The engine in the car now is a kuntz motor and i doubt i'll ever know anything like him but i have the pieces to build another motor and would like to try. And can anybody tell me what .015 to the crank would help and how is it achieved ? Thanks
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Old 04-09-2019, 04:16 PM   #2
Jim Kaekel
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Default Re: stocker engine question

The only book that I know of that goes into some of it is "Engine Blueprinting" by ex-Super Stock racer Rick Voeglin. The .015" rule on crankshaft stroke allows builders to offset grind the rod journals .013" to gain a little more stroke, while indexing it as well and remain legal.
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Old 04-09-2019, 06:02 PM   #3
Dave Noll
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Default Re: stocker engine question

If you have a Kuntz engine already but wanna do your own, I'd disassemble it and measure Everything in it.
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Old 04-09-2019, 10:46 PM   #4
tbirdlindsey
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Default Re: stocker engine question

Well that's a good idea but it's being used at this time and i thought i'd try to have one ready to try .
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Old 04-10-2019, 08:39 AM   #5
terry1
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Smile Re: stocker engine question

The book I use is the cheque book.
Terry K
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Old 04-10-2019, 11:15 AM   #6
Mike Jones
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Default Re: stocker engine question

Quote:
Originally Posted by tbirdlindsey View Post
I've built my own motors for years but they all have been for other type racing but i know that building a stocker motor is totally different i'm sure - is there a source for info like clearances , rings , oil pumps , little tricks , etc. I would think that everything is done to reduce drag and increase power . I know there are engine builders that know what to do to get all there is out of an engine . The engine in the car now is a kuntz motor and i doubt i'll ever know anything like him but i have the pieces to build another motor and would like to try. And can anybody tell me what .015 to the crank would help and how is it achieved ? Thanks
If you log in, you can do a search: " stocker "crank, heads, cam etc. and find some great posts by some of the most knowledgeable people in the sport. Good luck
MJ
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