How can you tell if you have a 350 or 305?
Matching the suffix portion of the engine ID number properly identifies the engine as a 305 or 350 cubic-inch. If a bore measurement is to be taken, Popular Hot Rodding identifies the 305s small bore at 3.736 inches. Both the 305 and 350 have the same 3.48-inch stroke.
When did the Chevy 305 engine come out?
The small block Chevy 305 engine was introduced in 1976 as a fuel economy engine. It has the small bore of the 265 Chevy engine (3.75 inches) and the long stroke of the 350 Chevy engine (3.48 inches). Many parts are interchangeable between the small block engines, and most maintenance procedures are the same.
Where is the code on a Pontiac engine block?
Identify a PONTIAC engine block is very simple, the code is entered, or rather “hit” on the front right of the cylinder block (when you’re driving), close to the plane of the cylinder head gasket. Often it isn’t visible at first sight either because it may be hidden by rust, paint or air conditioning compressor support.
Where is the code on a Pontiac 70-81 engine?
70-81 engines codes Identify a PONTIAC engine block is very simple, the code is entered, or rather “hit” on the front right of the cylinder block (when you’re driving), close to the plane of the cylinder head gasket.
When did Pontiac start using 2 digit engine codes?
Starting in 1965 Pontiac began using a 2 digit letter code. As a general rule, “W” coded blocks are manual transmission and “Y” coded blocks are automatics. And most of the “Z” coded blocks are also auto. The “X” coded blocks are a little of both. Where to find the Engine Code:
The small block Chevy 305 engine was introduced in 1976 as a fuel economy engine. It has the small bore of the 265 Chevy engine (3.75 inches) and the long stroke of the 350 Chevy engine (3.48 inches). Many parts are interchangeable between the small block engines, and most maintenance procedures are the same.
How to decode Chevy small block V8 engine identification?
Chevy Small Block V8 Engine Identification General Decoding Information This topic can be somewhat confusing, especially with the amount of information available and the interpretation of it. The primary pieces of information you’ll decode are the; Engine Codeand Partial VIN. Casting Date. Casting Number.
What kind of fuel injection does a 305 engine use?
The camshaft of this engine is a dual overhead camshaft with a firing order of 1-8-4-3-6-5-7-4. The fuel induction system of the 305 uses both the 2 and 4 carburetors, throttle body injection, tuned port fuel injection and sequential fuel injection.
What does the block code on a Pontiac engine mean?
Engine CodesFred Schramm2020-06-10T22:36:44-05:00 Pontiac engines have block code. This code will tell you the year it was to be used. However, these codes were used over from year to year. Together with the casting code and casting date you can determine where what the engine is.