Gm 5 3 Liter V8 Small Block Ls4 Engine Info Power Specs Wiki Gm The ls4 engine is a gen. 4, 5.3l, aluminum small block engine used in gm cars between 2005 and 2009. it is unique because it was the only ls engine used in front wheel drive vehicles. the fwd ls4 had cathedral port cylinder heads and used active fuel management (afm). the engine was not flex fuel (e85) capable and did not use variable valve. There is nothing wrong with the ls4 – it is a capable engine. however, it is part of one of the greatest automotive heresies. still, the lsx376 b15 and lsx376 b8 make good power without any.
Is The Ls4 A Good Engine [editor’s note: no offense to the ls4 intended, but the most notable thing about it is that it’s usually the worst possible choice for an ls engine swap project because it’s designed specifically for front wheel drive (lovingly called “wrong wheel drive” by some) cars, so if that’s why you’re here, save yourself the time and hassle and choose a different ls or ls based vortec. The ls4 is an engine produced by general motors for full size vehicles. displacing 5.3 liters in a v8 configuration, the ls4 is the only member of the small block engine family to be offered in a. The ls4 is not the same engine used in the ssr or trailblazers. it's a gen iv engine, which should make it even better then previuc ls engines. the gen iii engine have proven to be very reliable and have good efficiecy. the piston slap was never a real big issue and oil consumtion issues were mainly from hard driving. Ls4 (2005) ls7 (2006) ls3 (2008) ls9 (2009) lsa (2009) so we put together a spreadsheet in the office and called for people to vote, awarding up to 10 points, for each of these five categories: power to capture the engine's overall output. sound to analyze a motor's auditory potential (this is obviously very subjective and depends on a variety.
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