Block Idenification 3782870
Thread Starter
5th Gear
Joined: Nov 2002
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From: Section AL
Block Idenification 3782870
Hello, I am restoring my 1963 Vette. I found a block #3782870 and on the pad in front of the right side head it had B163426 and 0104SB. Any help deciphering theses numbers would be appreciated. Thanks
Team Owner
Joined: Oct 2000
Posts: 38,897
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From: Washington Michigan
Re: Block Idenification 3782870 (k5blazer87)
Right casting number, but wrong engine - it's a 327/300 out of a '62-'64 passenger car built at Baltimore; the 2870 block was used in a wide variety of Chevrolet applications. :thumbs:
Race Director
Joined: Apr 1999
Posts: 10,866
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From: Beverly Hills/Pine Ridge Florida
Re: Block Idenification 3782870 (k5blazer87)
What is the casting date of the block? It's located on the bellhousing flange on the passengers side behind the distributor. It should be something like A 1 3, where A is the month (A=Jan., B=Feb.,), The 1 is the day of the month, and the 3 is the year, 1963.
Also, you want a Flint block, not a Tonawanda block. Flint blocks have single digit year casting dates, like A 1 3, whereas Tonawanda blocks have two digit year casting dates, like A 1 63. There are also a lot of embossed and debossed "T"'s on Tonawanda blocks.
This MIGHT be a correct block for your restoration if the casting date matches up with the build date of the car. You COULD have it restamped, but I'm not opening that can of worms. :) Chuck
Also, you want a Flint block, not a Tonawanda block. Flint blocks have single digit year casting dates, like A 1 3, whereas Tonawanda blocks have two digit year casting dates, like A 1 63. There are also a lot of embossed and debossed "T"'s on Tonawanda blocks.
This MIGHT be a correct block for your restoration if the casting date matches up with the build date of the car. You COULD have it restamped, but I'm not opening that can of worms. :) Chuck
Team Owner
Joined: Oct 2000
Posts: 38,897
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From: Washington Michigan
Re: Block Idenification 3782870 (Chuck Gongloff)
What's in front of "0104SB" - a "T" (Tonawanda), or an "F" (Flint)? You can also identify a Flint block visually by the little 1/8" NPT square-head pipe plug at about 11 o'clock (facing the front of the engine) about an inch from the outside of the timing cover (Tonawanda blocks didn't have the hole or the plug).
:cheers:
:cheers:
