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22 kwi 2024 · The LS-7 model of the 454 would take top horsepower honors over it’s smaller big block brothers, including the famed ZL1 aluminum 427, with 465 peak horsepower compared to the 427 ZL1’s 430 horsepower. GM would later offer the LS-7 as a crate engine rated at 500 horsepower.
22 paź 2008 · This engine will be for my Strip Only car ('68 Firebird). It's starting off with a 454 block, I'm looking for tried and true combos (as well as opinions). I'm looking at 750 to 800 hp range. Not particularly looking at a high rpm but more of a tq monster and hoping to keep it between 7000 to 7500rpm.
4 maj 2023 · The 454 engine is also known as the Mark IV or Mark IV Rat Motor. It was Chevrolet’s second big block production motor following the Mark I W-series from the late 50’s to mid-60’s. As the name suggests, the Chevy 454 big block V8 delivers a 454 cid displacement – or 7.4 liters.
17 sty 2024 · Chevy’s 7.4L (454 ci) big-block engine was offered in many production vehicles from 1970 to 2001 and is still available today as a crate variant. Much of the engine’s popularity stems from its impressive horsepower and torque output and solid reliability.
15 cze 2016 · The budget 454 not only managed to exceed 500 hp, but did so in spectacular fashion with peak numbers of 565 hp at 5,900 rpm and 532 lb-ft of torque at 5,400 rpm.
21 maj 2020 · If you want big power then a big-inch big-block is just the ticket to make your dreams come true. To get there we build a 582 inch big-block that makes over 800 hp at 6,600 rpm!
The 1970 production models of the 454 put out the most horsepower with the LS5 claiming 360 horsepower and the LS6 putting out a mighty 450 horsepower. As with many high performance engines during the muscle car wars, there were lots of rumors flying around in regards to actually how much horsepower the 454 engines put out as opposed to what ...
