Questions

How much horsepower can you get out of a 305 Chevy motor?

How much horsepower can you get out of a 305 Chevy motor?

I completely agree that a 305 can be built to make 450 hp. That’s not too difficult. The engine is limited to smaller heads with 1.94-inch valves because larger 2.02-inch valves won’t clear the cylinder wall.

How much HP is a 350 small block?

The Chevy 350 engine is a 350 cubic inch (5.7-liter) small block V8 with a 4.00 and 3.48 inch bore and stroke. Depending on the year, make and model of a car, horsepower ranges from approximately 145 to more than 370.

How can I get more power out of my Chevy 305?

Bolt-on Upgrades

  1. Replace the exhaust manifold. The stock exhaust manifold of the 305 engine restricts air flow from the engine increasing back pressure.
  2. Replace the intake manifold and carburetor.
  3. Add cold air induction.
  4. Replace the computer chip.
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Is a 305 a reliable engine?

Whether you’re considering the potential profit or not, the Chevy 305 is a very reliable V8 that gets amazing fuel economy for its era. It may not be the most powerful option there ever was, but owners can fix that with aftermarket modifications if that’s what you’re after.

Can you turn a 305 into a stroker?

The 305 uses a tiny 3.736-inch bore and the same 3.48-inch stroke as the 350ci motor. While it’s relatively easy to drop a 3.75-inch stroke crank in a 305 block to create a 0.030-over stroker that displaces 334 inches, it’s just not a great performance decision for several reasons.

When did the 305 come out?

The Chevrolet 305 engines were produced from 1976 until 1992. The 305 Chevy is a small block engine with a small bore of 3.736 inches and a stroke of 3.48 inches. In the early 1980s the 305 engines’ fuel delivery was a cross-fire FI.

How do I add horsepower to my Chevy 350?

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How to Get More Horsepower Out of My Chevy 350 Small Block

  1. Modify your air intake.
  2. Modify your exhaust.
  3. Change your camshafts and valve train.
  4. Purchase new cylinder heads, or have yours ported and polished.
  5. Have your motor rebuilt and blueprinted.