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The intake valves are bigger, and lead to the carburetor. the exhaust valves are smaller and lead to the manifolds or headers.

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Q: On a Chevy 409 which valves are exhaust and which are intake?
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Related questions

I am serching for a chevy 409 engine ?

I am searching for 409 chevy engine


From where can one purchase parts and accessories for a 409 Chevy?

Parts and accessories for a 409 Chevy can be found online at eBay Motors. Other helpful websites are JC Whitney, 409 Chevy Performance, and Late Great Chevy.


What is the point gap for a Chevy 409 engine?

0.019


What year did the Chevy 409 engine come out?

1962


What kind of engine is Chevy 409?

Chevy 409 is a big block V8 engine. It was produced by Chevrolet from 1961 to 1965. It was a 6.7L engine, with a single or dual four barrel carburetor.


What does a small block 409 consist of?

Chevy, 408, (actually 408.7) often called 409, is a small block 400, bored out.


Did gm ever put a 409 engine in there pick up trucks?

I can find no evidence the 409 was installed in any Chevy or GMC truck. The 348 was used in Chevy trucks and the look almost identical to a 409. But, I cannot say positive that Chevy never put one in a truck. Further research is required to give a definitive answer.


What is the bore and stroke of a Chevy 409?

4.312 bore x 3.50 stroke.


Does a Chevy 409 distributor rotor rotate clockwise or counterclockwise?

Clockwise.


How much horsepower does Chevy a 62 impala have?

Depends on the engine installed. Starts with the Blue Flame 6 cylinder that had 90 H.P. and goes up to the 409 V8 with 409 H.P.


What year did the Chevy 410 come out?

Chevrolet never built a 410. They built a 409 but never a production 410. You can buy a 410 aftermarket engine. The 409 was produced from 1961-65.


What is the firing order of a Chevy 409?

1, 8, 4, 3, 6, 5, 7, 2.