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BSFC for boosted Hondas.

Old 10-15-2007, 01:40 PM
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Default BSFC for boosted Hondas.

Anyone have a good idea of what the typical BSFC for a turbo Honda is? It would be pretty helpful info to go along with the turbo calculator that has been posted upo.

I know that many NA Hondas run from .42-.45.

I thin my current setup is around .42 last time I tried to calculate it.
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Old 10-15-2007, 06:57 PM
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Default Re: BSFC for boosted Hondas.

45?

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Old 10-15-2007, 08:46 PM
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Default Re: BSFC for boosted Hondas.

Originally Posted by Walter
45?

Lol, I did some search8ing around on the net earlier.

Engine @ 1,000 @ Peak @ Peak
Type RPM Torque Hp
4-stroke (low compression, carburetor) 0.62 0.47 0.52
4-stroke (high compression, carburetor) 0.60 0.42 0.47
4-stroke (high compression, closed loop) 0.52 0.35 0.42
4-stroke (supercharged, carburetor) 0.75 0.50 0.55
4-stroke (turbocharged, closed loop) 0.57 0.45 0.50
2-stroke (low compression, carburetor) 0.85 0.55 0.60
2-stroke (high compression, carburetor) 0.80 0.50 0.55
Diesel 4-stroke 0.35 0.25 0.30
Diesel 2-stroke 0.40 0.29 0.34
http://www.land-and-sea.com/dyno-tec...using_bsfc.htm

In case anyone else is curious.


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Old 10-27-2007, 02:09 PM
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Default Re: BSFC for boosted Hondas.

you know all engine arent the same..
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Old 10-27-2007, 02:14 PM
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Default Re: BSFC for boosted Hondas.

Originally Posted by Walter
you know all engine arent the same..
I know that Walter. I just wanted a ballpark figure.
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Old 10-27-2007, 02:47 PM
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Default Re: BSFC for boosted Hondas.

I was coming up with .38-.43 when I worked backwards, i.e. cars I had done with known engine parameters and turbo in order to get stuff to line up well
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Old 10-27-2007, 04:07 PM
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Default Re: BSFC for boosted Hondas.

Originally Posted by blundar
I was coming up with .38-.43 when I worked backwards, i.e. cars I had done with known engine parameters and turbo in order to get stuff to line up well
Thanks Dave.

I was trying to use a turbo calculator that was posted here, and the numbers just weren't adding up. I was using approximate numbers for setup that I have seen, and the preduipwer numbers wet coming out right.

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Old 10-28-2007, 08:17 PM
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Default Re: BSFC for boosted Hondas.

The BRMS car, 81mm LS/VTEC with GT35R and cams and ----, pulled a 0.39 bsfc @ 585 whp.
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