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OS R2104 engine Thread

Old 11-13-2019, 03:53 PM
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Originally Posted by VS_Rody View Post
Yes, the new sleeve is also compatible and can fit the the R2101/R2102/R2103
OMG, now people know this they all want to fit the 2104 PS sets in their older engines because 9 ports must be better....
Start to build up a stock!
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Old 11-13-2019, 05:53 PM
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Originally Posted by Roelof View Post
OMG, now people know this they all want to fit the 2104 PS sets in their older engines because 9 ports must be better....
Start to build up a stock!
Available here : https://www.worldchampionproducts.co...-2c603010.html
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Old 11-13-2019, 06:11 PM
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I believe the R21 Euro edition is compatible too.
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Old 11-13-2019, 06:11 PM
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Originally Posted by Roelof View Post
OMG, now people know this they all want to fit the 2104 PS sets in their older engines because 9 ports must be better....
Start to build up a stock!
haha. So right Roelof. They are going to take their worn out motors and waste money trying to convert, lol... guess all the R2104 cooling headd will disapear off ebay too...

Better off just getting a new motor if you must run a 9 port!

Last edited by 1/8 IC Fan; 11-13-2019 at 06:34 PM.
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Old 11-13-2019, 06:29 PM
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Originally Posted by 1/8 IC Fan View Post
haha. So right Roelof. They are going to take their worn out motors and waste money trying to convert, lol... guess all the R2104 cooling headd will disapear off ebay too...
Originally Posted by nitrodude View Post
I believe the R21 Euro edition is compatible too.
Yes, correct.
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Old 11-14-2019, 12:06 AM
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Hehehehehehe.

But I must say the price is pretty OK.
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Old 11-14-2019, 09:00 AM
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Originally Posted by VS_Rody View Post
Yes, correct.
Will an R2103 with a R21 PS set work the same? Will performance be a bit less? I couldn't find the r2103 or r2102 PS set so I ordered the R21 set.
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Old 11-14-2019, 09:06 AM
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Originally Posted by nitrodude View Post
Will an R2103 with a R21 PS set work the same? Will performance be a bit less? I couldn't find the r2103 or r2102 PS set so I ordered the R21 set.
The performance will be about the same, the exhaust shape is a little different of the R21 that's all.
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Old 11-20-2019, 10:00 AM
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are there two different head buttons available for the 2104? comes with 16% version? Or just add a .004 in. shim for 25%
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Old 11-20-2019, 10:22 AM
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Originally Posted by YBSLOW View Post
are there two different head buttons available for the 2104? comes with 16% version? Or just add a .004 in. shim for 25%
No different buttons, add a shim(copper 0.1mm) of .004in
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Old 11-21-2019, 12:33 PM
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Originally Posted by VS_Rody View Post
No different buttons, add a shim(copper 0.1mm) of .004in
Perfect, thanks for confirming
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Old 11-30-2019, 02:53 AM
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Which manifold is suited to R2104, MR02 or M2001SC?
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Old 11-30-2019, 02:56 AM
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Originally Posted by PROVK View Post
Which manifold is suited to R2104, MR02 or M2001SC?
For longer tracks the MR02 for shorter tracks the M2001SC
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Old 11-30-2019, 03:31 AM
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Originally Posted by VS_Rody View Post
For longer tracks the MR02 for shorter tracks the M2001SC
Thank you Rody
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Old 12-06-2019, 11:26 AM
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For me it's only interesting how they did this two color anodizing... Which masking lacquer do they use... 😅?
For the performance I guess we will not see more performance as usual. This engines reached the top of what is possible. And on my opinion it's reached since the Nova 35plus. One of the best engines ever builded
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