Cadillac 429 deck height

Old 04-08-2010, 03:21 PM
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bubbabbc
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Default Cadillac 429 deck height

Does anyone know the standard OEM deck height of a 1967 Cadillac 429 cid block. This engine had been previously machined, as it is +.030" over, and there is a .017" difference in deck heights. Thanks
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Old 04-08-2010, 06:52 PM
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TheYellaBrick
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Default Re: Cadillac 429 deck height

Originally Posted by bubbabbc
, and there is a .017" difference in deck heights. Thanks
This much difference between each SIDE ???!!!
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Old 04-08-2010, 07:43 PM
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bubbabbc
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Yes, but this is not uncommon with GM blocks. Someone has been into this engine, but we don't know if they machined the deck surfaces. GM's are by far the worst machined blocks of all the manufacturers. We have seen blocks off as much as .025" front to back, side to side. In the big blocks, the cam bearing bores and lifter bores are usually bad also.
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Old 06-11-2010, 12:20 PM
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Go to this web site. It has everything you will ever need for your caddy!
www.500cid.com
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Old 06-11-2010, 09:05 PM
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Thats not a big deal, unless you have such large engine your cam tollerances are massive. We have ran domed pistons on one side of a spec motor and flat tops on the other side with no issues.
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