SoCal Jet Boats

Tech Talk => Engine Mechanical / Electrical => Topic started by: jamminjetta on October 23, 2014, 12:07:49 AM

Title: Casting numbers
Post by: jamminjetta on October 23, 2014, 12:07:49 AM

Ok was talking to a guy about some bbc heads. Casting number is supposed to be 3958620 but I can't seem to find any info about them. Thanks in advance.


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Title: Re: Casting numbers
Post by: GT Jets on October 23, 2014, 12:24:12 AM

Quote from: jamminjetta on October 23, 2014, 12:07:49 AM

Ok was talking to a guy about some bbc heads. Casting number is supposed to be 3958620 but I can't seem to find any info about them. Thanks in advance.


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Came up with exactly dick. I even have the GM bible here and no go.

GT

Title: Re: Casting numbers
Post by: el mojado on October 23, 2014, 10:31:03 AM

Maybe double check the numbers. Sometimes they're a little hard to read 3 looks like 8, 6 looks like 0. Just my .02 .... not much.

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Title: Re: Casting numbers
Post by: aquaholic72 on October 23, 2014, 04:44:26 PM

Quote from: el mojado on October 23, 2014, 10:31:03 AM

Maybe double check the numbers. Sometimes they're a little hard to read 3 looks like 8, 6 looks like 0. Just my .02 .... not much.

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   X2.. maybe it was 3993820

Title: Re: Casting numbers
Post by: jamminjetta on October 24, 2014, 12:08:01 AM

I'll check when I get home on Wednesday. The block casting number said its a 1970-72 402


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