Different pistons, bigger valves, different cam.
different pistons and cam, bigger intake valves.
The HO engine had higher compression, bigger intake valves, and a different cam. Also, it was painted black.
Yes. The HO engine in the Monte Carlo SS had higher compression, bigger valves, and a different cam.
Some where around 260 give or take 5 or so due to wear.
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.
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.
180hp
yes
No. Just a standard 305 with a 2 barrel carburetor.
They are different sizes.
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.
The 305 HO was the highest power version.