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F20B w/ Dyno

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Old Feb 24, 2021 | 09:50 PM
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Default F20B w/ Dyno

Hey Guys,

It's been a while since I've been on here.

I recently bought another EM1, and the car already had a F20B H2B swap.
The car needed a tune bad, and only had a Password JDM intake, stock header, stock piping with a test pipe.
I took the car to a local tune shop and decided to get a tune and dyno and here's what I got.
192hp / 153 tq.

Since then i've added the PLM H2B header to previous test pipe to 2.5" mandrel piping, to the Spoon Exhaust Muffler.
The car feels definitely better, but would like to know if with these mods now on, should I go again for a retune?
If so, how much more power do you think it will add?
I'm trying to figure out if the tune for an hour is worth the result.

Also, I will post a pic of the engine, I want to know if it's a blue top or if it's a regular F20B.


Thank you guys!
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Old Feb 24, 2021 | 10:05 PM
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Default Re: F20B w/ Dyno

All of the DOHC F20Bs are "blue tops". Given the dyno numbers I would suspect that it's a manual version, if that's what you mean.
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Old Feb 24, 2021 | 10:15 PM
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Default Re: F20B w/ Dyno

Originally Posted by Aradin
All of the DOHC F20Bs are "blue tops". Given the dyno numbers I would suspect that it's a manual version, if that's what you mean.

Sorry I forgot to mention it’s a H2B, so it’s a F20B with a B16 tranny not sure which one or if it’s the original one that came with the car.

any thoughts on the tune after adding those bolt ons?
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Old Feb 25, 2021 | 10:43 PM
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Default Re: F20B w/ Dyno

It couldn't hurt to at least strap her down and check to see if the tune is safe.
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Old May 21, 2021 | 09:07 PM
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Default Re: F20B w/ Dyno

That sounds pretty accurate, b series trans, no ac, no ps, 190 whp is very easy. I would measure the vtec lobe to be totally certain. H22 cams/auto f20b cams...same thing, made peak power at 8,500 with a tri y, skunk intake mani, 74mm tb.
If you drop the exhaust with the tri y header you'll make 205+no problem the 2.5 collector is essential. If your willing to rev your engine to 9,500 rpm I've seen type s cams even Integra type r cams make power that high up.
Port your f20b intake manifold and remove the butterfly plate if you can, much better than a expensive k2h rbc style setup and better gains if done well.

Last edited by Entheogen; May 21, 2021 at 09:31 PM. Reason: New info
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