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Is the 350 block casting 3970014 too early?

Is the 350 block casting 3970014 too early?

G 31 72. 3970014 doesn’t seem to be a very popular number. The heads have the camel humps. According to Mortec.com the block is 350, 70-76, 2 or 4 bolt main. Is the July casting date too early to be found in a 73 car?

What are the casting numbers on a Chevy small block?

CHEVY 348-409 “W” MOTOR V-8 Crankshaft Casting Numbers. CHEVY SMALL BLOCK V-8 Engine Block Casting Numbers. 366298……………….4…Bowtie, Aluminum, billet main caps, 3.398″ bore with sleeves, two piece rear main seal. CHEVY SMALL BLOCK V-8 Cylinder Head Casting Numbers. 10106178…90……350……….LT5, ZR1, DOHC, 32-valve, pass.

What’s the casting on a Chevy 350 engine?

You got a leaky spark tube… It’s a 350, most anything for a SBC will work with it. A simple search in the Engine forum turns up 200 results for your question about this casting. It’s an extremely common casting. I have a chevy 350 engine with Casting No. 3970010.

Is the Chevy 3970010 the same engine as the 3970004?

As far as the 3970010 and 3970014, this follows a pattern that Chevy had through the entire 70s production. They always had two almost identical castings to use to build their engines.

What year is a 350 Chevy engine with casting no 3970010?

What year is a 350 Chevy engine with casting no 3970010? In 1968 they made 327’s with this casting number but they were only 2 bolt main. Then from 1969 – 1979 they made 350’s with this number and they were either 2 or 4 bolt main. If it’s a 4 bolt main, then you know it’s a 350. To determine exactly what you have, you need the block “suffix code”.

G 31 72. 3970014 doesn’t seem to be a very popular number. The heads have the camel humps. According to Mortec.com the block is 350, 70-76, 2 or 4 bolt main. Is the July casting date too early to be found in a 73 car?

What are the casting numbers for a Chevy block?

Chevy Block Casting Numbers Use these casting numbers to identify the block you have. Small Block Casting numbers Casting Number Years CID Comments 330817 70-80 400 Car & Truck 2 & 4-bolt 3-freeze plugs 355909 75-79 262/305 car & Truck 2-bolt 360851 75-76 262 2-bolt 361979 76-79 305 car & Truck 2-bolt 366245

As far as the 3970010 and 3970014, this follows a pattern that Chevy had through the entire 70s production. They always had two almost identical castings to use to build their engines.

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Ruth Doyle