1965 Pontiac 389 Engine Diagram

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1965 Pontiac 389 Engine Diagram H1 Wiring Diagram

389 Pontiac Engine

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1965 pontiac 389 engine diagram. Hot gas valve hgv exploded diagram suction throttling valve stv exploded diagrams rebuilding instructions a c valves in receiver vir exploded diagram with part s a c heating wiring diagram. Front carburetor a t s t 389 7013063 airhorn casting. Engine block drain plug. Engine kit gasket set.

California bound gto s in 1966 had different cylinder heads with an internal air galley. The 389 was the standard engine for the pontiac gto through 1966. The pontiac 389 v8 was first introduced in 1959 and would become one of the most popular engines of the muscle car era. 9779494 9779495 they fit the 1967 69 firebird 400 ram air ho as well as the 1965 68 full size pontiac with the 421 428 ho engines.

The engine evolved from the pontiac 370 in which the stroke was increased. There were a lot of changes to the 389 during its eight year production run which gained the engine even more notoriety. 1965 66 pontiac full size 1967 pontiac full size 1968 pontiac full size 1966 69 pontiac full size 1973 81 pontiac full size. Just before the 389 was installed back into the 1965 gto hpp s cameras were allowed in for a look at what goes into making a classic show stopping 65 gto tri power engine a sight to behold.

1965 engine codes code. 265 301 307 326 350 389 400 421 428 455. Beginning in 1961 the pontiac v 8 389 and 421 was dubbed the trophy v 8 due to its many victories in racing. For 1966 most gto models had a cast 093 head.

The 389 would remain the standard pontiac v8 engine through 1966 offered in a bewildering variety of outputs ranging from 215 to 368 hp 160 to 274 kw. Pair pontiac v8 long branch exhuast manifolds 675 great condition originals. Pontiac firing order pontiac v8. Others have had the casting number removed by individuals either wishing to dress up the engine or in an attempt to deceive.

Generally a casting date is located on the underside of the manifold so manifolds can still be identified. In 1967 the 389 pontiac engine was enlarged to 400 cubic inches. Camshaft lifter kit. 389 cylinder heads and valvetrain.

Correct cylinder heads for the 1965 389 gto are cast 77 and have 1 96 intake 1 66 exhaust valves.