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Author Topic: Screamin Eagle 131R  (Read 2020 times)

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FLSTFI Dave

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Re: Screamin Eagle 131R
« Reply #15 on: February 13, 2021, 07:09:21 AM »

Dave:

If you know show him where he can look at more information on the motor.  It seems HD may have done away with the downloadable catalog pdf’s this year.

Regards

Jerry

I have not been able to find a good link to the 131R.  It's a race motor, not street legal.  I have looked for the Screamin Eagle catalog ling for 2021 and can not find it.

Is this currently available ? Also wonder if they will sell it as a bolt on kit as well or just the crate engine

Yes, it is available now.  My understanding is about 100 of the Race motors will be made.  Not sure that they will make it as a kit, as not EPA approved.
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CVOStreetglide

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Re: Screamin Eagle 131R
« Reply #16 on: February 13, 2021, 08:38:51 AM »

I have not been able to find a good link to the 131R.  It's a race motor, not street legal.  I have looked for the Screamin Eagle catalog ling for 2021 and can not find it.

Yes, it is available now.  My understanding is about 100 of the Race motors will be made.  Not sure that they will make it as a kit, as not EPA approved.

Thanks for trying to find it for him too.   

Best regards

Jerry
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HD Street Performance

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Re: Screamin Eagle 131R
« Reply #17 on: February 13, 2021, 09:32:55 AM »

Hopefully they will do better than the 120R, that was not a good motor.
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Unbalanced

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Re: Screamin Eagle 131R
« Reply #18 on: February 13, 2021, 11:57:53 AM »

It would be hard to do worse than the 120R.    Even Harley would have to work hard at that.   

The 12.6 to 1 compression maybe a show stopper in some areas.   Hope the cylinders stay in round better than twin cam version.
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mvent

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Re: Screamin Eagle 131R
« Reply #19 on: February 18, 2021, 04:52:49 PM »



What causes the torque to fall off that quick after hitting its peak?
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HD Street Performance

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Re: Screamin Eagle 131R
« Reply #20 on: February 19, 2021, 09:07:23 AM »

Cam timing, exhaust and mean piston speed. There is more in the build I suspect. But they are not released and being sold, first things first.
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2019CVONH

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Re: Screamin Eagle 131R
« Reply #21 on: February 20, 2021, 08:21:47 AM »

It would be hard to do worse than the 120R.    Even Harley would have to work hard at that.   

The 12.6 to 1 compression maybe a show stopper in some areas.   Hope the cylinders stay in round better than twin cam version.
I would say that compression ratio was “Actual” and not “Corrected” ratio meaning with cam timing it was really calculated lower?


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HD Street Performance

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Re: Screamin Eagle 131R
« Reply #22 on: February 20, 2021, 09:38:35 AM »

It is common and accepted that static compression ratio is what is advertised not corrected.
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