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CONL

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注册 2012-11-19 来自广东省|广州市

发表于 2013-04-26 13:28 IP属地：未知

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原帖由 卡拉不是一条狗 于 13-04-26 12:57 发表

LS3 is mighty,but not heavy.So the handling will be not bad.
But,the redline of LS3 is only 6000RPM,that is normally

Anyway，when you see the LS3 E36 in your rearview mirror，watch out

there is a thing called next gear so where the redline would be isnt really a problem if you wanna go fast. but the sound is different indeed. i woundnt mind if it go fast. anyway ppl in mainland seldom do the engine swap with the ls... thats a shame

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卡拉不是一条狗

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青铜长老

注册 2011-02-23 来自四川省|成都市

发表于 2013-04-26 14:01 IP属地：未知

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原帖由 CONL 于 13-04-26 13:28 发表

there is a thing called next gear so where the redline would be isnt really a problem if you wanna go fast. but the sound is different indeed. i woundnt mind if it go fast. anyway ppl in main ...

I'd like to use BMW engin in a BMW,such like S85,that is my style

.(BTW,I love S85 and E46 M3)
I dont know why so many ppl use 2JZ or GM engin,maybe it's cheap and easily to be found,or the ppl who do the engine swap with them are American.we know the american ppl like 2JZ and GM engin.
all we know,the host——m3killer，he did the engine swap with e36——maybe it is normlly in the US,but that is China,doing the engine swap with a BMW is rare,cool and brave.

so i have to say welldone.

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xuser1642280 6062 爱卡币 5012 帖子加关注发私信白金长老注册 2009-02-19 来自浙江省\|杭州市	发表于 2013-04-26 14:27 IP属地：未知 83楼佩服
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CONL

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注册 2012-11-19 来自广东省|广州市

发表于 2013-04-26 15:01 IP属地：未知

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原帖由 卡拉不是一条狗 于 13-04-26 14:01 发表

I'd like to use BMW engin in a BMW,such like S85,that is my style

.(BTW,I love S85 and E46 M3)
I dont know why so many ppl use 2JZ or GM engin,maybe it's cheap and easily to be found,or t ...

you know in china, old cars will die pretty soon while new cars are insanely expensive. old bmws are too old to do the engine
swap, and new cars doesnt have to do it.therefore its rare...
i can tell why ppl in us like 2jz and lsx engines. price is reasonable, powerful, and limitless potential...

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hello马嘞 1W+ 爱卡币 66 帖子加关注发私信本站元老注册 2013-04-25 来自广东省\|惠州市	来自爱卡iPhone版发表于 2013-04-26 15:18 IP属地：未知 85楼！！！！
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卡拉不是一条狗

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青铜长老

注册 2011-02-23 来自四川省|成都市

来自爱卡iPhone版发表于 2013-04-26 15:53 IP属地：未知

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原帖由 CONL 于2013-4-26 15:01发表

you know in china, old cars will die pretty soon while new cars are insanely expensive. old bmws are too old to do the engine swap, and new cars doesnt have to do it.therefore its rare... i can tell why ppl in us like 2jz and lsx engines. price is reasonable, powerful, and limitless potential...

vehicle life is about 3yrs by most 1st hand costumer in china,i have no idea they love cars or love 2 buying cars. Fortunately, more and more people like the classic old car, the mandatory retirement policy in china is no longer enforce. im grad 2 see there r more classic vehicle and the new showing on the road in the future，what a lovely picture

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M3Killer

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青铜长老

注册 2012-04-04 来自北京市|北京市

发表于 2013-04-26 18:17 IP属地：未知

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特别谢谢大家的评论！关于发动机的问题我问了Jake很多。本来准备到后面调校时说的但是大家在评论我先说说了。

在这之前我想说说的ID。我多年泡北美论坛。最近才到我们这边儿。M3Killer这个ID是针对我的一个好朋友。他开E92 M3。我说买了1M Coupe专门来杀他。因为他买车是为了泡妞。不是为了Performance。现在他的车也卖了。丫骑摩托车了。本来先买了哈雷现在觉得不够范儿。换零了。

在此声明绝对不是看不起M3。也不是专找M3的茬。M3一直是我的Dream Car在海外工作时买不起。现在才圆一个E36M3的梦。

好了关于发动机的问题问Jake。

我问他的问题是如果我要更多马力。如果预算不是太受限制的话能怎么选？
With the supercharger the LSA would be very linear....not like a turbo car.  Here is a dyno graph of an CTS-V.  This is before and after a pulley change (more boost).
*****

As you can see for the torque curve..it is pretty flat from 2k up to redline...No big ramp up like in a turbo car.
I will do some checking as to price on an LSA（CTS-V的发动机）...  one thing is I am not sure if the supercharger would fit under the hood of an e36 as it is a little higher.  It would use the tr6060 transmission.
The other option would be a LSx454 (which is a Gm Performance Parts built 454ci 7.4L).  Those make 585hp...no supercharger or turbo.  Around $1X k just for the engine.  Figure $4-Xk for a manual trans.
我的问题是为什么GM的发动机是OHV宝马不是。他的回答
Why doesn't BMW use engines like GM?  The GM stuff uses push rods with a single cam in the center of the engine...where BMW is over head cams.  Overhead cam engines are a lot more complicated (mechnically) than a pushrod engine.  I'm really not sure why BMW doesn't use pushrod engines....
那么是不是宝马的发动机的效率更高？所以用更复杂的系统？
Over head cam doesn't necessarily give better fuel economy.  the overhead cam engines actually have a lot more moving parts than the GM pushrod engines.  More moving parts gives more friction which in turn uses more fuel.  With most modern engines the good fuel economy comes from engine management.  The new engine computers have become very advanced and can control the engines so much better than something 15 years ago even.
LS3的油耗：
The LS3 fuel specs are 16 Miles Per Gallon city, 24 Miles Per Gallon on the Highway.
CTS-V (with the LSA) is 14mpg city/19mpg Hwy
I really am not sure with the LSx454 would be for fuel milage as it was really never installed in a production car.  I would expect similar to the CTS-V 14/19mpg.
如果换LS3大线们如何走？如何和原厂仪表盘结合？
I will rewire a big chunk of the GM wiring harness so it works as a standalone.  There will be an extra small fuse box that runs all the GM circuits and then it will wire into the connector that the stock BMW engine plugged into.  It will look stock and as if it came that way from the factory.  I use software called HP Tuners to reprogram the GM PCM so that it sends out the correct tach signal to the BMW tach gauge.  The water temp, oil pressure, etc all use the BMW sensors connected to the LSx engine.  The BMW has a little econ gauge that tells you Miles/KM per gallon/liter and to make that work there will be an extra little circuit that will convert the LSx injector pulse to a signal that the BMW stuff can read.
结论是GM的LS3发动机换到E36上面是很平衡的。而且底盘的改造完全能承受大的马力。（如果要更大的马力可以选CTS-V的LSA。）并不能说宝马的复杂的发动机就一定效率高。主要看发动机管理系统。这部LS3会用调校好的LS3程序。而且是6档手动会好过E36的5档。
最后我想说我的目标是低调。而且是经济实惠。所以LS3的E36造价要远远低于我们这里市面任何一部400匹的车。这是最重要的！

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卡拉不是一条狗

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青铜长老

注册 2011-02-23 来自四川省|成都市

发表于 2013-04-26 18:48 IP属地：未知

88楼

原帖由 M3Killer 于 13-04-26 18:17 发表

特别谢谢大家的评论！关于发动机的问题我问了Jake很多。本来准备到后面调校时说的但是大家在评论我先说说了。

在这之前我想说说的ID。我多年泡北美论坛。最近才到我们这边儿。M3Killer这个ID是针对我的一个 ...

楼主一直没有通过我的QQ验证哦

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d4dd

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注册 2009-11-24 来自黑龙江省|大庆市

发表于 2013-04-26 21:19 IP属地：未知

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个人觉得低转高扭的车，在马力的延展性不是很好。
其实push rod 限制了转速。根据na 定律
马力在排量固定的前提下需要转速来增加，欧洲日本车是这样做的
而美国车选择直接增大排气量
所以push rod 都是低转速大排气量（美国风格）
至于为什么美国选择增大排气量
猜测：
1 美国油价便宜
2 美国人喜欢低转强大的扭力输出。
3 经常会拉船之类的重货
美国选择增大排气量来提高马力。
而日本欧洲选择增加转速来提高马力
而日本欧洲都通过高科技术，增加转速。让马力延伸性更好，马力更大。
任何东西都是根据他独特的背景来的。
参考一下美国很早的汽车风格。
参考一下日本跟欧洲的汽车风格。
[ 本帖最后由 d4dd 于 2013-4-26 21:26 编辑 ]

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