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hornlk 07-05-2008 10:24 PM

BBC engine code suffix
I have a 396 block casting number 3955272 which shows it to be a 1969 block for passenger, Chevelle, Camaro, or Chevy II. The Engine code is T1227XAN. I can't find anything on a XAN suffix. I have looked on several web sites also in Chevy By the numbers. any help would be appreciated

ImRoyaltyInMyChevy 07-05-2008 11:41 PM

the always first thing to try when you can't fing a matching set of numbers or dodes off a block is to look again and see if you made a mistake lol know offense but it just happens I think last time I wrote down a code I went back 2 more times and it kept changing.
I also say this because I found some code starting with and x an its harder to mess up an x compared to of letters, and it came up with 1968 truck L-66 310 or 275HP and thats not surprising to find a one year earlier block in the year of the car

hornlk 07-06-2008 06:17 AM

Thanks! More Questions???
Yeah I know what you are saying. I looked at the code a lot. I have magnified it,rubed it, wire brushed it, and everything. I am sure it is a XAN suffix. So you are saying it is a truck block. The casting number says it is a 69 car block. Did they put car blocks in trucks? Where do you find truck block suffix code info?

ImRoyaltyInMyChevy 07-06-2008 01:09 PM

well I know they put car engines in trucks so I'm just guessing they ut truck engines in cars.
and when your looking at bbc suffix code numbers it will be for truck and car they wont separate them

ok heres the page I used to find thse numbers from

and heres just another site I like for alot of numbers

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