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Engineering/Technical Ask technical questions about cars. Do you know how a car engine works? |
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08-11-2003, 05:31 PM | #31 | |
AF Regular
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Yeah...... But.....Somebody told me so and now I know that headers dont go with turbo..... Beginner's mistakes
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08-12-2003, 04:41 AM | #32 | ||
Honda God
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Quote:
The LS is 142 hp stock. You will need approxamlty (in thoery) 16.3 psi to getth LS to 300 hp. since the n/a air presure in the cylinder is 14.7 psi...doubleing it in thoery doubles the output. You would need 16.3 psi, or a pressure ratio of 2.11, to achive 300 hp. If you are to produce 300 hp with the LS, you will need 30 lbs/air per minute to reach the goal. With these facts, you can start looking for a turbo. Look at the compressor maps, The Horizontal axis is air flow lbs/min. You will want to go to the spot on the map where 30 is located. The go to the vertcial axis, this is the pressure ratio. You will go to the spot where 2.11 is at. Then follow both these out to where they meet on the graph. You want the point the meet at to be in the 73% efficeny island (oval where the 73% efficeny range for the turbo is). If the meet outside of this range,like at 65% for example, it is best to seek a different turbo. I hope this helps out a little bit. I have been quite busy lately, but I will do some research if I can and see what I can pull up if I have time. If you want to start looking on your own, remember, a pressure ratio of 2.11 (16.3psi, 1.11 bar) and you need to flow 30 lbs/min of air for 300hp. Look for the a turbo where the point on the compressor map these two numbers meet falls in the 73% efficeny island. I hope this helps out a little. |
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08-12-2003, 11:07 AM | #33 | |
AF Regular
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Yeah it helped me a lot One thing.....Can anybody tell me some turbo brand name!? There is Garrett.....but that's all I know
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08-12-2003, 07:11 PM | #34 | |
Quem queritis?
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Greddy, Apex'i, Edlebrock, Turbonetics, a bunch of universal turbos. Not much, but that's all I can think of.
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Peace, love, and premium octane. |
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08-13-2003, 05:16 AM | #35 | ||
Honda God
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XS-engineering uses there own turbo, I do belive. I could be wrong. Other manufactorers of Turbos (that I know of for sure) include Garrett, as you know, and Turbonetics. Most pre-made turbo kit you buy seem to use either a Mitsubishi turbo, Garrett, or Turbonetics turbo. |
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08-13-2003, 07:59 PM | #36 | |
AF Regular
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The only compressor maps I found was on turbonetics.com.... I found the turbo that was 2.11 pressure ratio, 30 lbs/min and 73% effiency. On turbonetics.com, if I read the compressor map properly, it would be the TO4B V1/V2. Notice me if I'm wrong......I'd like to know which company you guys think is the best if you have any idea about it. I have planty of questions. I'll probably start another topic for this but before, I'll try to make my decision on a turbo on this topic. Thx a lot eckoman_pdx and Thepeug
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08-16-2003, 02:20 AM | #37 | ||
Honda God
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Re: GSR or CR-V????
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08-16-2003, 06:06 PM | #38 | |
AF Regular
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Is there any other modifications I could do on my turbo B18B1 to make it more powerful and reliable??? Like rods, pistons,crankshaft,etc. Another question I didn't get any response to, which head should I go with??? Some told me to go with stock LS head but I'd like to go with DOHC instead of SOHC. I got some much questions that I'm scared to miss something when building the engine
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08-16-2003, 10:12 PM | #39 | ||
Honda God
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Re: GSR or CR-V????
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08-17-2003, 01:14 AM | #40 | |
AF Regular
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My father has his own machine shop......I'm the boss's son so......you know what it means I can do whatever I want for free......
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08-17-2003, 05:26 AM | #41 | ||
Honda God
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Re: GSR or CR-V????
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08-17-2003, 03:53 PM | #42 | |
AF Regular
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What does C/R means and CAI
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08-17-2003, 05:22 PM | #43 | |
AF Regular
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I'll try to gather as much informations as I can to do machine works by myself on my engine to make it real fast and powerful. With all the infos you gave me eckoman_pdx, I'm beginning to understand stuff that will really help me. Any infos you have to give me will be appreciate. I'm from Quebec and I don't know a lot of people with experiences that can really help me. Most people here makes modifications on the exterior of their car to attract girls and 'coz their car looks good, they say that it is the fastest of all. You probably know what I mean. Serious tuner like me are rare over here,that's why I need to go on forum like this one to learn about REAL tuning. Continue your great work
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08-18-2003, 12:14 AM | #44 | ||
Honda God
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Re: GSR or CR-V????
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08-18-2003, 11:46 AM | #45 | |
AF Regular
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How do I know which size of injectors will be necessary for my turbo setup??? Another question.....How did you know what type of turbo was necessary to achieve 300HP??? I'd like to know how because if I decide to make 350-400HP for exemple, I'd like to be able to find the good size by myself. Thx
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