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N/A HP out of, b engines

Old 03-23-2007, 11:54 PM
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Default N/A HP out of, b engines

Im wondering what the max N/A whp would be out of a B16A, GSR, and a C5?....im guessing the C5 would win. This is saying they were all built for N/A.
Old 03-24-2007, 08:38 AM
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Location: Pittsburgh
Posts: 1,091
Default RE: N/A HP out of, b engines

The most N/A Ive seen out of a b16a2 was about 200 whp. I couldnt imagine any of them getting more than 220 without stroking itand that would take a good chunk of change
Old 03-24-2007, 12:12 PM
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Default RE: N/A HP out of, b engines

Best B-series N/A power for the money is a LS/VTEC. No question. 200-220 is easily obtainable with just cams, high comp pistons, and IHE. I would use a B16 head, and some .5mm oversized B16 pistons, which can be ordered relatively cheaply from any Honda parts dealer. Compression could be tailored from 12:1-12.5:1 with these pistons, assuming the block and head are left unmilled, and varying with headgasket thickness.

If you're willing to spend a few hundred more on pistons, a B20/VTEC is another option. It's not used much, so I can't say how well the thinner sleeves hold up to higher rpms (I wouldn't mind trying to see ). But, by using this block you gain 3mm for the bore (84mm), which if you went with a LS block, you'd have to spend ~$1000 on sleeves to obtain. Pistons would have to be forged from an aftermarket company, as there are no OEM high compression pistons in an 84mm bore.

In response to Ryan, I have seen a few 85-86mm LS/VTECs (or LS cranks in a B18C block), make 240-260 at the wheels, and I think 270-280 would be possible with the right stuff. (The LS crank has been determined to make power everywhere over the GSR crank, without being stroked too far to be detrimental.) Above that I've only seen Crower's 92mm stroke crank used. (It's been determined above 92mm is detrimental heh.)
Old 03-26-2007, 12:35 PM
Join Date: Jan 2007
Location: So Cal
Posts: 417
Default RE: N/A HP out of, b engines

Best Motoring Rotary (RX8 on Cover)Video had n/a jun built B16 with 280whp in an EK hatch...fast!
Old 03-26-2007, 12:42 PM
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Default RE: N/A HP out of, b engines

Holy crap. 280 on a NA B16? Ihave to see that.Link?
Old 03-26-2007, 01:04 PM
Join Date: Jan 2007
Location: So Cal
Posts: 417
Default RE: N/A HP out of, b engines

I have been trying to find it for a long time b/c of someone that thought i was retarded but everytime i find some info on the video they skip right over it...i will keep trying to find it and post a link

This is the video( i think...i have the cover for the dvdbut not the dvd anymore so i will make sure later)the B16 is in the 280 class showdown but i cant find any clips addidtional info
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