How do you come to the conclusion that late model gasser such as the port injected 5.3/6.2 and in particular the recent direct injected 5.3.6.2 . With the 4,6,8 & 10 speed lockup automatics. How are they anything like your 1997 350 ?
The 1997 255HP, 330Lb Ft L31 350 was an improvement over a 165HP 1975 350 4 barrel with a three speed non lockup automatic. However it pales in comparison to the following engines.
LQ4
The Vortec 6000 LQ4, is a V8 truck engine. Displacement is 5,967 cc (6.0 L; 364.1 cu in) from a bore and stroke of 101.6 mm × 92 mm (4.00 in × 3.62 in). It is an iron/aluminum (1999 & 2000 model year engines had cast iron heads) design and produces 335 to 370 hp (250 to 276 kW) and 360 to 370 lb?ft (488 to 502 N?m).
A 2014 or later 5.3L is even better. Cost of a gasser with the power and economy of a diesel. 355 hp (265 kW) @ 5600 rpm 383 lb?ft (519 N?m) @ 4100 rpm.
Then there is the 6.2L ........420 hp (313 kW) @ 5600 rpm 460 lb?ft (624 N?m) @ 4100 rpm
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