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For 1987, a larger 7.3 L version of the IDI was introduced. [7] This engine features numerous improvements over the 6.9, with most of the changes located in the heads; the block received an increased bore and select-fit pistons, while the heads received an enlarged prechamber, enlarged valve stem shields, harder valves, and other minor upgrades.
In 1915 a new L-head water-cooled 201 cubic inches (3.3 L) inline-four engine appeared. [3] While International's own engines underwent constant developments, the pace of truck production in the twenties was such that others' engines (from Waukesha, Buda, and Lycoming for instance) had to be installed in some parts of the range. [4]
1992–1997 GM LT "Generation II" small-block V8; 1997–2020 GM LS small-block V8 (referred to as Generation III or IV depending on type) 2014–present GM LT Generation V small-block V8 (Also called Ecotec3 V8) 2018–2020 Cadillac Blackwing twin-turbo V8; 2023–present Chevrolet Gemini DOHC V8; Cadillac Twelve engine
Note: this is commonly called the Ford Small-block V8 pattern, though it is used in some "big block"-sized V8's as well as some V6's and I6's. 200 I6 1978-1983 only, partial (4 of 6 bolts) pattern. 250 I6 (except Australian 250/4.1) 255 V8; 289 V8 - (made after August 3, 1964) - had 6 bolts holding bellhousing to block; 302 Cleveland (Australia)
From 1989 to 1994, International offered two versions of its conventional school bus chassis (as it had with the S series). The 3700 was the lighter-GVWR model of the lineup, derived from the International 4600. Only produced with the 7.3L IDI V8 engine, the 3700 was offered with hydraulic brakes.
The 360 used the large intake port 340 heads with a smaller intake valve of 1.88 in (48 mm). In 1974, with the introduction of the code E58 4-barrel dual-exhaust version, at 245 hp (183 kW) SAE net, it became the most powerful LA engine with the end of 340 production. Power started dropping from 1975 on as more emission controls were added ...
The International S series is a range of trucks that was manufactured by International Harvester (later Navistar International) from 1977 to 2001.Introduced to consolidate the medium-duty IHC Loadstar and heavy-duty IHC Fleetstar into a single product range, the S series was slotted below the Transtar and Paystar Class 8 conventionals.
A 3.0L displacement version, with common-rail fuel injection, four-valve-per-cylinder heads, and 160 hp (119 kW) (wastegate turbo), is the electronic version of the Power Stroke. It has only the block and connecting rods in common with 2.8L Power Stroke. The 4.5L Power Stroke was a V6 Power Stroke with the same turbo design as a 6.4L.