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<blockquote data-quote="snow2" data-source="post: 346618" data-attributes="member: 7990">short,GM sold they're 350 v-8 blue print to the japs back in the mid 90's,carb'd engine then throttle body,still this 350 v-8 was under powered at 200hp,lacking torq for heavy loads,GM introduced the 5.3lit engine in 1999 I think,285hp,same bore n stroke as the 350,this holds true for GM's 4.3lit v-6,350 block....in 2001 GM's 5.3 wasn't doing the job as a work horse powertrain so Gm engineers used the 6lit cam to enhance the Hp and torq needed by dropping the 6lit cam in the5.3litv-8,tweaked the torq numbers way up and hp up to 355. todaynow in 2023 truck engines,all is the same except GM will not offer the 6.2lit engine for now and introduced a turbo 4cyc for fuel economy,suspect the epa/feds stepped in regarding fuel economy like they did in the 80's,remember max speed limits nation wide 55mph,gas fuel .44/gal no new big block engines,Today commercial folks in the trades that need HD trucks 3/4/1 ton,none being built except the two high end models,no work trucks....cargo vans 3/4-1 ton no v-8 engines in 2023 for now,also no fleet pricing for ppl that&nbsp; sucks</blockquote>

[QUOTE="snow2, post: 346618, member: 7990"] short,GM sold they're 350 v-8 blue print to the japs back in the mid 90's,carb'd engine then throttle body,still this 350 v-8 was under powered at 200hp,lacking torq for heavy loads,GM introduced the 5.3lit engine in 1999 I think,285hp,same bore n stroke as the 350,this holds true for GM's 4.3lit v-6,350 block....in 2001 GM's 5.3 wasn't doing the job as a work horse powertrain so Gm engineers used the 6lit cam to enhance the Hp and torq needed by dropping the 6lit cam in the5.3litv-8,tweaked the torq numbers way up and hp up to 355. today now in 2023 truck engines,all is the same except GM will not offer the 6.2lit engine for now and introduced a turbo 4cyc for fuel economy,suspect the epa/feds stepped in regarding fuel economy like they did in the 80's,remember max speed limits nation wide 55mph,gas fuel .44/gal no new big block engines, Today commercial folks in the trades that need HD trucks 3/4/1 ton,none being built except the two high end models,no work trucks.... cargo vans 3/4-1 ton no v-8 engines in 2023 for now,also no fleet pricing for ppl that sucks [/QUOTE]

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