View Poll Results: "There's no replacement for displacement."
Agree
26
56.52%
Disagree
9
19.57%
Neutral (or it depends)
10
21.74%
No opinion/no comment
1
2.17%
Voters: 46. You may not vote on this poll
"There's no replacement for displacement." Agree? Disagree?
#77
Lexus Test Driver
Join Date: Mar 2003
Location: Maryland
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If you look closely you'll see I also praised the BMW 2.0L turbo engine and called it a good replacement for the outgoing 3.0L NA engine. The more I think about this new BMW 320i, the more I think I like it. I sorta feel cheated thinking about an F30 328i and paying $37k to start when it's "not a six", but at $33k now I can stomach it better, and JB it for a few hundred bucks to get a tad more power out of it and still be perfectly happy. Love the sixes, but are they worth $10k more? Not so sure about that. Recently joked to some friends of mine that I was going to have to bust out my pro audio recorder to record my Inline-6 engine wailing so that I can listen to it in the future, because the odds are good that I might be downsizing to the 4-banger on the next go-round.
#78
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The point I was getting at was that if the SAE updated their J1349 spec to include a line that said maximum advertised torque at WOT at a given RPM must be achievable within say 3 seconds starting initially from closed throttle for at least 10 seconds, a lot of these gazillion pound feet of torque at IDLE rpm claims would go right out the window. The bottom line is that manufacturers are gaming the J1349 to come up with these numbers. Given the popularity of turbocharged engines these days, I wouldn't be surprised if the SAE updated this test standard eventually to reflect more realistic and accurate test methods for turbocharged engines.
#79
Pole Position
If you look closely you'll see I also praised the BMW 2.0L turbo engine and called it a good replacement for the outgoing 3.0L NA engine. The more I think about this new BMW 320i, the more I think I like it. I sorta feel cheated thinking about an F30 328i and paying $37k to start when it's "not a six", but at $33k now I can stomach it better, and JB it for a few hundred bucks to get a tad more power out of it and still be perfectly happy. Love the sixes, but are they worth $10k more? Not so sure about that. Recently joked to some friends of mine that I was going to have to bust out my pro audio recorder to record my Inline-6 engine wailing so that I can listen to it in the future, because the odds are good that I might be downsizing to the 4-banger on the next go-round.
As for your other points, I think you're starting to try to nitpick by showing larger variance. I've never said a 4 cylinder will be equal to a say a W18 engine. The discussion is about replacement for displacement. Can a smaller engine be tuned via FI to mimic a larger displacement engine? Unequivocally, as I have provided proof of that. And that's my point. For a set given parameter (say power/fuel/engine response), FI can be a great application to meet and beat all the goals of a larger NA engine (case in point again is the N55 vs. S65).
I guess I come from a different background having tuned NA vs. FI engine for quiet a while, as both a hobbyist and part time pro. I've messed around from everything from VQs, H22As, B18Cs, SR20DETs, 4G63s, JAZ80s, 2JZGTEs, etc. I've always found the most fun and bang for the buck (as well as customizatoins) in FI applications. The more you fiddle around with A/Rs, Compressor mappings, ignitoin/fuel/timing maps, and such, the more you'll appreciate how resoundingly it makes sense for vehicles to go FI to both make more power AND be economical about it, which is a win / win for everyone.
And FWIW - My next car (or rather my wife's) will probably be an N20 power car (whether in 323i or X1 guise). It's amazing how they packaged the vehicle for both power and fuel economy in a very well balanced package (even more so then the N55 powered supposedly). As FI technology further advances and people start accepting turbos again, I think we'll see it more and more mainstream (if it isn't already) and hopefully adopted by Toyco again!
#80
Lexus Fanatic
Low-RPM lugging in higher gears can indeed increase gas mileage and lower the amount of piston-ring/cylinder/valve-wear, but the flip side to it is potentially more stress on the engine's crankshaft, possibly shortening its life.
#81
Lexus Champion
iTrader: (20)
And FWIW - My next car (or rather my wife's) will probably be an N20 power car (whether in 323i or X1 guise). It's amazing how they packaged the vehicle for both power and fuel economy in a very well balanced package (even more so then the N55 powered supposedly). As FI technology further advances and people start accepting turbos again, I think we'll see it more and more mainstream (if it isn't already) and hopefully adopted by Toyco again!
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