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05-18-2006, 11:36 AM | #1 | |
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GM Powertrain Unveils 3.6-Liter VVT Engine With Direct Injection
GM Powertrain Unveils 3.6-Liter VVT Engine With Direct Injection
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05-18-2006, 11:45 AM | #2 |
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So I guess this is the first of the 19
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05-18-2006, 12:38 PM | #3 |
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I guess this will be used on the next gen CTS? And some Opels and maybe even Saabs.
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05-18-2006, 12:44 PM | #4 | |
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05-18-2006, 01:22 PM | #5 |
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you would think if they were going to finally release a "high-tech" engine, it would at least put out a decent amount of hp/l.
guess not. |
05-18-2006, 01:45 PM | #6 | ||
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05-18-2006, 01:51 PM | #7 |
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I dunno the toyota camary makes 268hp on 3.5L seems pretty similiar at 76.5hp/L vs 74.5HP/L for the GM motor.
Granted honda makes 244hp out of 3.0L (81hp/L) , but they've always had the best specific output. I bet the GM motor makes tons more torque than the honda motor too. |
05-18-2006, 02:05 PM | #8 |
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307hp and about 280tq. Seems pretty good to me. If that isn't a decent amount of hp/l and tq/l what comparable engine does have a decent amount? Nothing that I can think of fron Honda, Nissan, BMW, Daimler Chrysler, etc have more. The only one I can think of that is slightly more hp/l (approx 2%) and comparable tq/l is the engine in the IS350.
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05-18-2006, 02:07 PM | #9 |
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contributes greatly to a 15-percent increase in horsepower over the current levels that range from 240 to 267;
Current level is 267hp a 15 percent increase is 307hp. That is 85.3 hp/l. |
05-18-2006, 02:59 PM | #10 | |
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Krzys |
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05-18-2006, 03:05 PM | #11 |
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i read it as they are up 15% and at the 240-267hp range. maybe im wrong.
honda gets 240-250 from their 3.0L, 260-290 from their 3.2L, and 290+ from their 3.5L... ...all with pretty conservative technology (ie- simple sohc vtec, no DI, etc). |
05-18-2006, 03:06 PM | #12 |
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Whoops - I read the article wrong. Looks like Hawke is correct.
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05-18-2006, 03:12 PM | #13 |
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Aluminum block and heads
DOCH w/ 4v VVT Phasing cams Direct Injection 11.3:1 compression ratio Aluminum pistons w/ OIL Squirters Coil on plug ignition Not a bad engine, especially for GM, I think its a step in the right direction. A step in the right direction is rare for GM as of late, so I think thats alteast a bright spot for them to be comended on. |
05-18-2006, 03:44 PM | #14 | |
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GM has been known to make some good engines. Sadly they won't bring the 2.2L Ecotec Diesel to the US. |
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05-18-2006, 04:00 PM | #15 |
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But what is the TQ figures and curves for those other engines?? Peak HP is easy to make with enough RPMS.
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05-18-2006, 04:19 PM | #16 | |
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05-18-2006, 06:50 PM | #17 |
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and better gas mileage
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05-18-2006, 09:06 PM | #18 |
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This is very much a step in the right direction - and the HP numbers are not just "adequate" but actually very competitive with the best from car makers like Toyota - specifically that 3.5L that was already mentioned that is being put into the new Rav4 and Avalon.
I definitly do not see the half-ass job that GM usually does. I was definitly expecting to see Direct Injection to be another engine technology that GM was scrambling to catch up on, but the Sky's DI 2L turbo and this new 3.6L NA DI engine are definitly good news. |
05-18-2006, 10:00 PM | #19 | |
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05-18-2006, 10:01 PM | #20 | |
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05-19-2006, 09:54 AM | #21 |
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Silly question time: BSFC uses the brake horsepower in its calculations as opposed to effective horsepower, which is why it is "brake-specific" fuel consumption, correct? Just curious.
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05-19-2006, 10:12 AM | #22 | |
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05-19-2006, 10:41 AM | #23 |
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Thanks.
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05-19-2006, 10:47 AM | #24 |
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How can anyone forget about the first few years of the Honda S2000 when it was a 2.0(newer ones are 2.2) liter making 240hp?
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05-19-2006, 06:12 PM | #25 | |
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A fair comparison would be to compare this GM engine with engines that appear in mid-sized Honda and Toyota sedans and coupes. And when you do that, this engine seems quite competitive. |
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