Is The Pontiac 455 A Good Engine?

Is The Pontiac 455 A Good Engine?. In addition, it is current, is made for universal fit and it is great for decent quality. That means engine vacuum must be good.

1972 Pontiac 455 HO Trans Am January '16 Hemmings Motor News from www.hemmings.com

Iv studied a couple of vizards books, jim hands pontiac book as well as several articles and forum threads. At first glance this didn't transcend the 370hp on offer by the ram air iv version of the 400 v8 available in the gto that same year, or even pontiac's 366 horsepower ram air iii 400 motor. So, the dealer installed a replacement 455 h.o.

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New hydraulic flat tappet cam. Engine block and cylinder heads were cast at saginaw metal casting operations then assembled at tonawanda engine before delivery to.

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A 400 has a standard bore of 4.120 inches. In 1973 the epa implemented stricter smog regulations.

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It needs some work to get. 60' times of 1.72 seconds;

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At first glance this didn't transcend the 370hp on offer by the ram air iv version of the 400 v8 available in the gto that same year, or even pontiac's 366 horsepower ram air iii 400 motor. The original 1963 326 engine is really a 336.

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The maxpeedingrods pontiac 455 turbo kit is designed for high rpm, is perfect for great quality and it is good for good quality. If you go olds then 403 olds powered firebird items will work for much of it although headers would be different because of the difference in block height between the 403 and 455.

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The engine that powers jim hand's 1971 pontiac le mans station wagon. The maxpeedingrods pontiac 455 turbo kit is designed for high rpm, is perfect for great quality and it is good for good quality.

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That means engine vacuum must be good. High output and super duty versions of the 455 were added in.

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The kit is of better quality and it is soft. Thereof, is a buick 455 a good motor?

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Its a generic grind found and sold under many brands, with many prices from about $40 up. The 421 super duty has smaller valves ( 2.02 / 1.76 ) than the high performance 350, 400, 428, and 455 high performance engines which are 2.11 / 1.77.

The Original 1963 326 Engine Is Really A 336.

So, the dealer installed a replacement 455 h.o. The maxpeedingrods pontiac 455 turbo kit is designed for high rpm, is perfect for great quality and it is good for good quality. Just a interesting note, the 350 pontiac engine is really a 355, the 428 engine is really a 427, and the 455 is really a 456.

Engine With A Late Casting Number.

It does have it's weaknesses, but. The supper duty 455 was available on the pontiac trans am or formula firebird in 1973 and 1974 only. The trick is to achieve the customer's goals, despite the heavy race weight and without sacrificing the street driveability of the pontiac or adding nitrous.

All These 455S Were Good Engines.

Make sure this fits by entering your model number. Engine block and cylinder heads were cast at saginaw metal casting operations then assembled at tonawanda engine before delivery to. The 421 super duty has smaller valves ( 2.02 / 1.76 ) than the high performance 350, 400, 428, and 455 high performance engines which are 2.11 / 1.77.

The Pontiac Version Of The 455.

Tje 455 was a good engine in these cars , in a road test of the day it was just as fast as the raiii in the quarter. In 1973 the epa implemented stricter smog regulations. Another high end pontiac engine built by spotts performance.all numbers matching 1972 trans am 4 speed wd block code, 7f6 round port heads, custom hydraulic.

60' Times Of 1.72 Seconds;

New hydraulic flat tappet cam. In 1966 pontiac really didn't have a small block engine. Deck head gasket surface on block to ensure a good seal.