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FAQ: Buick v6 engine identification numbers?

How do I know what engine is in my Buick 350?

350 V-8. The engine serial number is stamped on the front of the left cylinder bank. The production code number is between the left exhaust manifold and the two front spark plugs.

How do I identify my Buick nailhead?

There are a couple of ways to identify which Nailhead engine you have. One is to check the block casting number. The other is to check the letters stamped at the front of the block near the valley pan.

Is 350 and Buick 350 the same?

They both use the same types of transmission, but the cases have different bolt patterns. A Buick 350 has a rocker shaft like a 235 Chevy 6, the heads are completely different; the bottom end is supposed to be stouter.

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 intake and exhaust valves on the intake manifold side of the “pent-roof combustion chamber” used in this engine series.

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How do I identify a Buick 225 V6?

For 225 V6:

The engine serial number is stamped on the front of the left cylinder bank. The production code number is between the left exhaust manifold and the two front spark plugs.

How much horsepower do headers add to a 350?

The length of the primary tubing determines the effective rpm range, but headers can be worth 15-20 hp on the right application. Run on our restrictive two-barrel 350, the headers improved the power output to 248 hp and 365 lb-ft of torque, with consistent gains through the rev range.

What does GS stand for in Buick?

The Gran Sport name has been used on several high-performance cars built by Buick since 1965. In the GM brands hierarchy, Buick was surpassed in luxury and comfort appointments only by Cadillac, which did not produce performance models.

Is a 400 small block better than a 350?

Overall, the 400 SBC is a really good block. They do come with a bit shorter connecting rods (5.565″ compared to 5.700″ for the 350) than do most of the other SBC engines out there.

Who made the first V8 engine?

Frenchman Leon Levavasseur was a 39-year-old inventor in 1902 when he took out a patent for the first V-8 engine he called the Antoinette.

What color are Buick engines?

Buick Engine Colors, Which One is Right For You!

Bill Hirsch
1939-40 Buick Charcoal Gray X
1941 only Buick Early Red X
1942-52 & 53 Specials Buick Turquoise X
1953-65 Buick Late Green X

How much horsepower does a 455 have?

Rated conservatively at 360 horsepower and producing a tremendous 500 pound-feet of torque, the 455 HO gave the GTO the powerful aggression needed to appeal to performance-minded buyers.

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