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B16A-10,000 rpm

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B16A-10,000 rpm

Postby Myriad » Tue Apr 11, 2017 7:39 am

Edit: I think I missed something.
I got a new shell, just need to stop driving the DX so I can work on it.

I've got a filter for my mouth, it just isn't a good one.
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Re: B16A-10,000 rpm

Postby Mista Bone » Tue Apr 11, 2017 11:47 pm

So if you can make power that high in the rpm range, which will require cubic dollars to get there, you will also need tighter gearing to keep that motor up in the power band. Figure in $3k-$10k to get those custom gears needed.

This is what $10,000 will get you....yes that is a Mugen LSD and straight cut custom gears.

Image
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Re: B16A-10,000 rpm

Postby Myriad » Wed Apr 12, 2017 7:14 pm

The B16B is on par (if not better IMO) than the B18C(R). It is harder to find info because Honda didn't make as many nor for very long. :(

As far as info for building, the theories are pretty much universal. Higher HP strains the bottom end, higher rpm strains top end. Higher R/S ratios are much more stable, but have reduced power in the lower-mid rpms. Though the B16B has better piston mass and R/S ratio than the F20C, it doesn't have a better valve-train or ignition system. It's all about those springs, man.

As far as benchmarks you posted, those are some tame numbers for cammed engines. The looked so weak, I went back and looked closer at the dyno sheets and concluded your tuner calculated the HP curve wrong. It's supposed to cross the torque curve at 5252rpm, not 7250rpm. 150 ft-lbs at 9000rpm is 257HP, not anywhere close to 190HP. :huh:
I got a new shell, just need to stop driving the DX so I can work on it.

I've got a filter for my mouth, it just isn't a good one.
Myriad
 
Posts: 343
Joined: Sat Oct 10, 2015 5:49 pm
Location: Ohio

Re: B16A-10,000 rpm

Postby Mista Bone » Wed Apr 12, 2017 11:16 pm

Myriad, you might wanna recheck that dynograph again and note the differences in scaling and measuring used.

153 n.m @ 9000 rpm = 193 hp

165 n.m (peak) @ 6600 rpm = 153 hp

The graph correctly shows those numbers. You should have looked at the graph closer.

http://ncalculators.com/electrical/torq ... ulator.htm
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Re: B16A-10,000 rpm

Postby Myriad » Thu Apr 13, 2017 9:56 pm

I did miss that, thanks for pointing that out to me.


Newton-meters? Who the (censored) uses metric measurements to calculate a SAE output? The output for that should be kilowatts. After looking at it for a while, I got messed up because newton-meters reads higher than ft-lbs.

Ugh, metric system :in barf:
I got a new shell, just need to stop driving the DX so I can work on it.

I've got a filter for my mouth, it just isn't a good one.
Myriad
 
Posts: 343
Joined: Sat Oct 10, 2015 5:49 pm
Location: Ohio

Re: B16A-10,000 rpm

Postby Mista Bone » Sat Apr 15, 2017 5:44 pm

I was the same way, but noticed it when looking at the different scaling for HP and TQ, which is a pet peeve of mine.
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