Hello

How do I tell if a engine is a 350? when out of the car(so no vin to go by). Where on the block are the numbers and what will the 350 numbers be?

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Jamieson
85 Blue Super Charged Iroc-Z28 Camaro
79 TransAm
1991 RS
1999 Oklahoma Gathering
2000 SWMG

 

Top of the bell housing flange, behind the driver's side head; get the casting # and look it up at
http://www.mortec.com/castnum.htm


Also, 350s often have a big "5.7" cast into teh block there, while 305s have a "5.0".

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"So many Mustangs, so little time..."

 

At the back of the block (trans flange, driver's side) is the block part number. On the front passenger side (infront of cylinder head) there is a pad that has the block code (three letters), build date, and corresponding partial VIN of the vehicle (if not a crate) it was originally installed in. See sig link for details.

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George P. Lara
1994 Z28 LT1 T56
1984 Z28 High Output
Member: SCCA, SCFB, SC3GFB
Chevy Info --> MadMike's

 

If it still has a manifold on it, the 305 manifold has a grid on the front left side.

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'82 Firebird, dead stock, 9 bolt disc rear, over 200,000 miles and still going strong, more to come...

 

Actually, that is just a manifold design (asthetic) change. The manifolds for all SBC are the same regardless of CID, so that is not an accurrate way of decifering from a 305 and a 350.