What is the difference between a Chevy 350 and a Pontiac 350?

So basically the Chevy 350 is smaller, lighter, and can be made to run much better. The Pontiac 350 is bigger, heavier, and will never run near the Chevy.

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Also question is, is 350 and Buick 350 the same?

A buick 350 is much like a Pontiac 350, as they are essentially a wide block. Also if you look at the head exhaust ports the two center ones are very close together.

Also, what is the difference between a Pontiac 350 and 400? 400 has 4.12" bore and 350 has smaller 3.875,so 350 can't be bored to 400 dimension. It will be cheaper and easier to find 400 or 455. And those who replied that 350 can be bored and stroked to 383,,,,thats chevy small block engine,not Pontiac. Pontiac,Olds and chvy made all 350 motors,but they are not the same.

Subsequently, one may also ask, did Pontiac make a 350 engine?

Eclipsed by the larger 389, 400, 421, 428, and 455 engines, the 350 is the Rodney Dangerfield of Pontiac motors. But it's been over 20 years since GM produced traditional Pontiac V-8s, and the supply of desirable big-inch blocks is drying up.

Is a Pontiac 400 a big block or small block?

this may be a trick question, unlike chevy and ford pontiac v8s 326 to 455 are the same size blocks. the bore and stroke is changed to achive the differant CID. So there are technically no small and big blocks. anything over the 400 could be considered a "large displacement" engine.

Related Question Answers

Why do they call it a nailhead engine?

It became known as the "nailhead" for the unusual vertical alignment of its small-sized valves, features that were the result of putting both valves on the intake manifold side of the "pent-roof" combustion chamber used in this engine series.

How much horsepower does a Buick 350 have?

This engine produced 290 horsepower at 4,000 rpm and 410 ft. -lb.

What was the largest motor offered by Buick in 1970?

The new-for-1970 455 was a foot-full. Consider this: In the muscle car vernacular, Buick's 455 stood as the most powerful domestic engine in terms of torque output for the next 22 years, bested only when Dodge introduced the Viper in 1992 (not forgetting Cadillac's 500-cu.in. V-8 that, in 1970, wrung out 550-lb. ft.

Is a Buick 455 a good motor?

In a word, No, the Buick 455 is not a "weak" engine. It does have it's weaknesses, but they all do, and below the 600 HP level, you need to upgrade no more or less parts than you would have to on many engines.

How much horsepower does a Buick 455 have?

Based on the 400 and 430 V-8s, the Buick 455 had a 4.31-inch bore and 3.90-inch stroke. The standard 455 wielded 350 horsepower and the performance Stage 1 version developed 370, although testing on many Buick 455s put the horsepower rating closer to 425.

How much horsepower does a 401 nailhead have?

General
Wildcat 445 (400 & 401 Co. In.) Wildcat 465 (425 Cu. In.)
Brake Horsepower @ RPM 325/4400 340/4400
Maximum Torque @ RPM 445/2800 465/2800
Taxable Horsepower 56.11 59.51

Is a 455 A big block?

The Pontiac Version of the 455 Even the small displacement 326 CID motor is considered a big block. Therefore, the 389 Tri-power Trophy engine is also based off of the 326 block casting.

Where are Buick engines made?

Buick Envision With models made in Germany, South Korea, the U.S. and China, Buick has an internationally diverse lineup for an American brand. The company's midsize crossover, the Envision, is built by General Motors' Chinese co-venture, Shanghai GM.

Is the Pontiac 301 a good engine?

Just don't expect any real performance. The heads on the 301 have zero performance potential and if my memory is right, very small valves and ports. Good for lower end torque to get a bigger car moving. The bellhousing is std BOP, so the trans with it can be used if you later upgrade engines to a std Pontiac V8.

What does GTO stand for?

Gran Turismo Omologato

What is the biggest Pontiac engine?

As the large-main-journal Pontiac engines found in Pontiac's full-size cars evolved from 421 to 428 and, finally, 455 cubic inches, Pontiac still went with the well-rounded 400 as its go-to muscle car mill.

What color is a Pontiac engine?

Pontiac originally purchased this paint from a company called "Pontiac Paint and Glass", which no longer exists. Between August 23 and September 7, 1976, the Flint, Michigan Engine Assembly Plant changed the paint colors used on Chevrolet engines from orange to blue.

How much HP does a Pontiac 400 have?

The 389 posted numbers in the 330 horsepower range with a single spread-bore, four-barrel carburetor. The 400 pushed this number up to 360 horsepower, with the same Quadrajet single four-barrel.

Is a Pontiac 400 the same as a Chevy 400?

The Pontiac 400 features a 4.121in bore and 3.75in stroker, while the Chevy 400 features a 4.125in bore and 3.75in stroke.

How do I identify my Pontiac engine?

The date code is 4 digits. The first digit is the month, the next 2 digits are the day of the month, and the last digit is the year (6 could be 1966 or 1976). This page will help you identify the year and size of your Pontiac engine.

Did Pontiac make a 428 engine?

The Pontiac 428 cubic inch engine was used only from 1967-69. It was one of the largest engines Pontiac produced, but it was used more to power big cars such as the Bonneville, and not as much for performance cars such as the Firebird.

Is a Pontiac 400 engine a big block?

With some work, essentially any Pontiac cylinder head will bolt onto any block, e.g., H-O Racing's Ram Air IV "326" (1956 316+0.060 with mods). Confused yet? Another example of how cubic inches does not correlate to big block/small block: An Olds 400 is a big block, while an Olds 403 is a small block.

How do I identify a 455 engine?

The numbers cast on the lower left corner of the engine block -- or on the cylinder head -- indicate the year the engine was manufactured. The casting numbers for a 455 include 395021F, 396021Fa and 231788L.

How do you decode an engine serial number?

How to Decode Your Engine's Serial Number
  1. Find your vehicle's engine serial number.
  2. Go to the Texoma T's website (see Resources).
  3. Type the engine serial number in the text field next to "Enter a Serial Number and Press Enter."
  4. Click the "Run Query" tab to decode the serial number.

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