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How do I get more horsepower out of my 305 Chevy engine?

How do I get more horsepower out of my 305 Chevy engine?

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.

How much horsepower do headers add to a 305?

A 28 HP increase over the stock heads, and the 305 engine now has close to 300 HP.

Can you make a Chevy 305 fast?

Yes you can make your 305 fast.

Can you put a turbo on 305?

Get a turbo compatible camshaft. Many of the 305 TPI motor had a tiny “peanut cam” that will choke power. You don’t need the long tuned tubes once its turboed but you do need the added flow. You need to add port flow as well as turbo it for power.

Can you put 350 heads on a 305?

Virtually any 350 heads will work on a 305. The high compression 350 heads are similiar in combustion chamber size & intake valve size to the 305 heads & will give a 305 the same performance as if using 305 heads.

How much HP does Turbo add?

A turbocharger works with the exhaust system and can potentially give you gains of 70-150 horsepower. A supercharger is connected directly to the engine intake and could provide an extra 50-100 horsepower.

What is a 305 stroker?

The stroker 305 is popular because the 305 small-block is probably the most easily accessible small block Chevy engine on the planet. As you mentioned, you bought this motor for almost nothing-that’s the lure. The 305 uses a tiny 3.736-inch bore and the same 3.48-inch stroke as the 350ci motor.

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.