WebMar 1, 2024 · LM7 5.3L Vortec 5300 Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More. The LM7 is a 5.3L, Gen. 3 small block engine used in GM … WebJul 4, 2015 · The 5.3L Gen 3 iron block LM7 is hard to beat if you’re on a budget. It’s no slouch at close to 300 hp stock. Plus, it can be stroked to 383 c.i.d. and upgraded with many LS1/LS6 parts. ... ATK High Performance Chevy LM7 5.3L 385 HP Long BLock Crate Engines HP97 Crate Engine, GM 5.3L, LM7, 385 HP, Long Block, Internal Engine Balance ...
LM7 5.3L Engine Upgrade Guide: Expert Advice for LM7
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WebOct 9, 2010 · 1) 6L hands down with a cam. 2) 5.3, but really dependant on cam and converter. 3) both the same. 4) either, 6L more power = more fun. 5) Anything modded will add stress to other parts of the drivetrain. Both setups a stock 4L60E will be fine. I'd add a shift kit and servo. -Trick Flow Gen X 202 cnc heads 2k+. WebSep 5, 2024 · Since the 5.3L, 5.7L, and 6.0L Gen-III engines all share the same stroke, we could easily build a 5.7L on a budget. However, as often happens with best-of-intention plans, problems arose from the outset. Our block turned out to be nasty and rusty enough to be untrustworthy. WebFeb 26, 2024 · Discussion Starter · #1 · Feb 17, 2024 Have purchased an LM7 wondering if anyone else has completed the swap. Curious as to what are the best mounts ? Headers? we have done research on the pan and stuff, just trying to get a list of best options K krispycreemm Registered Joined Feb 16, 2024 17 Posts Discussion Starter · #2 · Feb 17, … children\\u0027s 1st birthday party supplies