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Old 01-27-2007, 05:54 PM   #1
msuguydon
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Default Small Block Engine Casting Numbers

I am trying to confirm a motor, it is a small block Chevy 350, the casting number is 10066086, I cannot find it in any of the books or on-line sites.

Can anyone give me some help on identifying, year, age of this block?
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Old 01-27-2007, 05:59 PM   #2
Tony
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Default Re: Small Block Engine Casting Numbers

Is it possible that the 8 is a 3? I ask because if you search Mor tec they have a listing for 10066036.
This is what it reads.

10066036...350...........2 or 4...Target Master/Goodwrench crate motor, 2-piece rear
seal, "Hecho en Mexico"




Thats coppied right off thier site.

Tony
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Old 01-27-2007, 06:05 PM   #3
msuguydon
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Default Re: Small Block Engine Casting Numbers

Could be a 3, hard to read it, and the guy said it was a crate motor, so I guess that all fits into the story
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Old 01-27-2007, 10:33 PM   #4
slamdpup
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Default Re: Small Block Engine Casting Numbers

Quote:
Originally Posted by Tony
Is it possible that the 8 is a 3? I ask because if you search Mor tec they have a listing for 10066036.
This is what it reads.

10066036...350...........2 or 4...Target Master/Goodwrench crate motor, 2-piece rear
seal, "Hecho en Mexico"




Thats coppied right off thier site.

Tony
sorry to hijack your post..but is there any other sites other than mortec?...mortec told me my motor was a 1968- 327 small journal...but i kinda need to know what the motor came out of....
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Old 01-28-2007, 07:38 AM   #5
Tony
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Default Re: Small Block Engine Casting Numbers

Quote:
Originally Posted by slamdpup
sorry to hijack your post..but is there any other sites other than mortec?...mortec told me my motor was a 1968- 327 small journal...but i kinda need to know what the motor came out of....
The suffix code on the front passenger pad of the block will tell you that. There should be a sequence of number's and letter stamped there, and the last letters will tell you what the general application was for your motor..
There could be one letter up to three..

Check out this site. There is a listing of suffix codes that you *should* be able to run through to get an idea of what your's came from.
http://www.nastyz28.com/chevy-engine...ngs.php#suffix


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Old 12-13-2007, 05:49 AM   #6
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Default Re: Small Block Engine Casting Numbers

re: I want one. Aftermarket Marine 504-888-2798 ask for Sean. Got mine yesterday 10066086 Made in Mexico 4 bolt main
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Old 12-15-2007, 12:26 AM   #7
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Default Re: Small Block Engine Casting Numbers

The eight was a three. 10066036.Sorry. call Sean if you want one
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Old 12-15-2007, 08:37 AM   #8
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Default Re: Small Block Engine Casting Numbers

Quote:
Originally Posted by slamdpup View Post
sorry to hijack your post..but is there any other sites other than mortec?...mortec told me my motor was a 1968- 327 small journal...but i kinda need to know what the motor came out of....
here's a tech article on the hamb about that

http://www.jalopyjournal.com/forum/s...d.php?t=184304
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Old 12-22-2007, 08:41 AM   #9
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Default Re: Small Block Engine Casting Numbers

Have a Mex 350, 1006636, 3 bump heads, unaltered vortec. Found a number on the front of the block above the water inlet on the passenger side and it is stamped like this
1M0710
8VP
What does that number say? Thanks
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Old 12-22-2007, 10:01 AM   #10
Schrauberlehrling
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Default Re: Small Block Engine Casting Numbers

or look here:
www.mortec.com
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Old 02-29-2012, 10:27 PM   #11
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Default Re: Small Block Engine Casting Numbers

Hi Guys,

Can any one confirm what ive got
GM 10066036 on the block
33426651 on the crank
462624 on the head
1M0403 7H04 stamped on front of block
H04 12587265 on a sticker serial number stuck on the sump
I open the sump and is a 4 bolt all cast pistons had a B stamped on it???
As i got shafted on ebay saying its was a blown motor complete n new which it is
I contacted the speed shop that the seller told me it was from and wasnt.
So just looking at what i got if anyone knows,
Will build it and put 6-71 blower ontop see if it goes bang.

Positive comments please
Cheers
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Old 02-29-2012, 10:30 PM   #12
SAM123
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Default Re: Small Block Engine Casting Numbers

What do you mean by "positive comments please" ... what have you heard about this place??

Is there a suffix code on the block deck, right front???
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Old 02-29-2012, 10:50 PM   #13
squirrel
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Default Re: Small Block Engine Casting Numbers

hecho en mexico?

Sounds like a GM crate motor, probably not one of the better ones, sorry
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Old 03-01-2012, 03:48 PM   #14
automann269
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Default Re: Small Block Engine Casting Numbers

I just wanted to confirm the bum deal i got for the package, and ive got to suck it up
i will put the motor together and if the bottom end lets go so be it.
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