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Different pistons, bigger valves, different cam.

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13y ago

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Is there any difference between the Chevrolet 305 and the 305 HO?

different pistons and cam, bigger intake valves.


What is the difference between a 305 and a 305 HO in the 1984 z28?

The HO engine had higher compression, bigger intake valves, and a different cam. Also, it was painted black.


Is there any difference between a Chevy 305 engine in a half ton pickup and a 305 in a Monte Carlo SS?

Yes. The HO engine in the Monte Carlo SS had higher compression, bigger valves, and a different cam.


How much horsepower does a 1989 Chevrolet 305 HO small block v8 have?

Some where around 260 give or take 5 or so due to wear.


How much horsepower does a 1987 IROC Z28 with a 305 HO produce?

The 305 "HO" was actually dropped after 1986. In '87, the base 305 TBI was rated at 170 hp, the 305 TPI was rated at 215 hp.


Does a 1987 Monte Carlo SS have a 305 HO?

Yes, it came with the 4bbl 305 HO running at around 180hp The 8th digit will tell the engine. A "K" is a 5.0 liter 305.


How much hp does the 305 Ho have?

180hp


Is a 305 ho worth rebuilding?

yes


Did Chevy make a 305 HO in 1977?

No. Just a standard 305 with a 2 barrel carburetor.


What is the difference between OO and HO gauge?

They are different sizes.


How do you tell a 305 from a 305 HO?

The primary way to distinguish a 305 from a 305 HO (High Output) engine is by checking the engine code and specifications. The 305 HO typically features higher compression, different camshaft profiles, and upgraded components that enhance performance. Additionally, the HO version often has a distinctive intake manifold and may be equipped with a more aggressive exhaust system. Checking for these characteristics, along with any factory documentation, can help confirm the engine type.


Which Chevy 305 v 8 has the most stock horsepower?

The 305 HO was the highest power version.