What kind of cylinder head does a 305 Hi LG4 use?

Cylinder Heads. Lunati used “generic” 305 iron cylinder heads (casting number=14014416, used on LG4 and HO engines), replacing the 1.84-inch stock valves with larger 1.94-inch valves, but kept the stock 1.50-inch exhaust valve size, treating both to a “good’ standard valve job.

What are the dimensions of a 305 engine?

305 engine dimensions 3.736″ bore, will go 0.030″ over, a 0.060″ overbore should be sonic tested according to some machinists 3.48″ stroke, same as the 5.7L 350ci and the lame 267 SBC Rod length is 5.7″, same as all SBC engines except the 400

How big is the exhaust valve on a 305 Hi?

Lunati used “generic” 305 iron cylinder heads (casting number=14014416, used on LG4 and HO engines), replacing the 1.84-inch stock valves with larger 1.94-inch valves, but kept the stock 1.50-inch exhaust valve size, treating both to a “good’ standard valve job.

What kind of engine does a 350 HO have?

The 350 HO engine incorporates modern technology in a package that can be installed in applications where 265-400ci small block Chevrolet V-8’s were originally used. This complete engine is assembled using brand new, premium quality components.

When did the Chevrolet 305 V8 engine come out?

As America faced an energy crisis and the government began to regulate a car’s emissions, General Motors made adjustments to many of their small block, V8 engines. GM introduced the Chevrolet 305 engine in 1976 to provide a smooth driving performance while allowing for lower octane fuels and lower emissions.

Are there 5A heads on an Oldsmobile 307?

The 6A and 7A heads fit the later (’85-’90) roller lifter 307s. The intake gasket sets are different. There should not have been any factory installed 5A heads on ’85 Toros. All should have been roller lifter engines with the 7A heads. The last year for “Y” code 307s with the conventional valvetrain was ’84.

Is the Chevy 305 the same as the 350?

GM might not have made the 305 as performance-oriented as its big brother 350, but they sure made a lot of them. The Chevrolet 305 was the engine of choice for millions of full-sized GM cars and trucks that were too large for a V6 but didn’t require a 350 just to cruise around town.

When did the Olds 307 go out of production?

The 307 stayed carbureted until the bitter end of production (1990). Every 307 used a 4bbl carb – there were no 2bbl models. The last of the GM 4-bbl engines and the last GM carbureted engine. In fact, it came on the Caprice wagon, Olds Custom Cruiser wagon, Buick Estate wagon, and Cadillac Brougham (5.7L Chevy V-8 was optional on this one).