Common questions

When did the Buick Regal get a new engine?

When did the Buick Regal get a new engine?

The 3.8L block was updated with a one-piece rear seal in ’90. The Buick Regal was the only application for this engine in ’90, but the new “EV-6” motor was used for all the FWD cars and vans including the Lumina APV, Pontiac Transport and Olds Silouette from ’91 through ’92. Look for a block with either a 25532674 or 25534243 casting number.

What kind of casting does a Buick 3.8L use?

•1995-’08: The lightweight 2170 casting that was introduced in ’95 in both the VIN L and VIN K engines has been used for all the FWD and RWD Series II/III applications including the VIN 1, the VIN 2 and the VIN 4 engines since then. There have been several rods used in the 3.8L over the last 20 years. These engines came with the 918 cast rod.

When did the Buick 3.8L come out?

The Buick 3.8L has evolved from its humble beginnings as a cheap, easy to build, economy motor in 1962 into one of the best pushrod motors in the world. It started in life as a Buick V8 that had two cylinders “missing,” because that allowed GM to machine it on the same line as their V8 with common tooling.

What kind of engine did the Buick Special have?

Dubbed the Fireball V6, it became the standard engine in the 1962 Buick Special. In their test that year, Road & Track was impressed with Buick’s “practical” new V6, saying it “sounds and performs exactly like the aluminum V8 in most respects.”

The 3.8L block was updated with a one-piece rear seal in ’90. The Buick Regal was the only application for this engine in ’90, but the new “EV-6” motor was used for all the FWD cars and vans including the Lumina APV, Pontiac Transport and Olds Silouette from ’91 through ’92. Look for a block with either a 25532674 or 25534243 casting number.

•1995-’08: The lightweight 2170 casting that was introduced in ’95 in both the VIN L and VIN K engines has been used for all the FWD and RWD Series II/III applications including the VIN 1, the VIN 2 and the VIN 4 engines since then. There have been several rods used in the 3.8L over the last 20 years. These engines came with the 918 cast rod.

The Buick 3.8L has evolved from its humble beginnings as a cheap, easy to build, economy motor in 1962 into one of the best pushrod motors in the world. It started in life as a Buick V8 that had two cylinders “missing,” because that allowed GM to machine it on the same line as their V8 with common tooling.

Dubbed the Fireball V6, it became the standard engine in the 1962 Buick Special. In their test that year, Road & Track was impressed with Buick’s “practical” new V6, saying it “sounds and performs exactly like the aluminum V8 in most respects.”

Where are the freeze plugs on a Buick engine?

The engine contains two freeze plugs, one one either side. They are located between the core plugs on the engine block. Removing the freeze plugs is relatively straight forward. But take care not to push the freeze plug into the engine block because it will make removal much more difficult.

What kind of engine does a Buick 3.8 have?

The Buick 3.8-liter engine is commonly found in GM mid-size and full-size sedans, including Pontiac and Oldsmobile models. The engine contains two freeze plugs, one one either side.

Where do spark plugs go on a Buick V-8?

The spark plug wires go into the In-Line distributor cap in the firing order and in a counterclockwise direction. All Buick V-8 engine cylinders are numbered from front to back; left bank, 2-4-6-8; right bank, 1-3-5-7.

The engine contains two freeze plugs, one one either side. They are located between the core plugs on the engine block. Removing the freeze plugs is relatively straight forward. But take care not to push the freeze plug into the engine block because it will make removal much more difficult.

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Ruth Doyle