Re: Why are Fords 5L slower compared to LS1s
Just because the Windsor and the LS1 both have pushrods, don't think they are really simular in many other ways.
Windsor is old school, it wasn't even super cool old school. Ford didn't really develop it as regularly as they should have.
LS1 is all modern, clean sheet stuff. If anyone was going to design a pushrod engine for the 21st century, LS1 is how you would do it. Lightweight, compact, revs its nuts off, great breathing ability despite pushrods, capacity, Bar DOHC and multivalve it gets all the other technology, knock sensors, coil on plug, modern computer etc etc..
You can get a windsor to that kind of level, but you would be looking at new heads, new pistons, new cam, chip or new computer, etc etc most of the time. Only really the 220Kw and 250kw engines got some pretty sweet kit standard, and they are pretty kick arse anyway.
LS1 was detuned, we all know that, holden didn't do jack really from VTII through to VYII, right up to the 285Kw clubby.. That means the 220kw engine shares most/stacks of components with the 285Kw soon to be 300Kw LS1. Hence why with a edit and some minor mods (intake and exaust) there is power to be had.
Windsor is a 1960's class rather pedestrian engine, with some tweaks to get it into a semi recent age. The LS1 is a brand spanking new engine, designed for its high performance cars, GM spent stacks developing it, and it shows..
Its got a 700cc advantage, it revs higher and harder, its lighter, its got a modern ignition system, pretty trick engine management, breaths stacks better, runs a higher compression ratio..
There is not really huge hidden untapped potential in the windsor, you can make it better, but you have to pay for each upgrade.. Theres no way just a chip it going to unleash another 200kw out of a 165Kw 5.0 in a ED..