Numbers written at back of engine.

[92SunbirdTGT]

Hi, I bought a used 3.1 engine and found numbers written at the back of engine. B129724 BR 386 . What does that means?

[SappySE107]

it means it is from a junkyard.

[Weatheralls Auto]

Good chance that engine was out of a wrecked vehicle and that was their stock number or some other reference?

[Weatheralls Auto]

^^^^^^^^^^^^^^
Ninja'd
LOL

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[3400-95-Modified]

No you guys, its a 386 CI engine of course... DURRRRRRR

[92SunbirdTGT]

lol ok, I was thinking maybe it was a rebuilder's reference since it's a engine/trans combo I separated myself that I bought from a guy who dismantled them from a junked tgp. Would a rebuilder write something here or only punch numbers on top of the pistons?

[Weatheralls Auto]

Hope they wouldn't punch numbers on top of the pistons.

Def a scrap yards identification process.

[Superdave]

stock number from a junk yard

[92SunbirdTGT]

Well I Hope it's in good condition, I will see when the heads will be removed.
Thanks guys

[3400-95-Modified]

Hope they wouldn't punch numbers on top of the pistons.

Def a scrap yards identification process.

Why not? Thats how OEM companies mark their pistons.