Brettus turbo 111 (the ultimate Renesis turbo ?) - Page 68 - RX8Club.com



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Old 06-21-2018, 11:07 PM   #1676  
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Seems I'm not done with experimenting . Got some new ideas in the pipeline for another crack at this . Getting another engine built .

Maybe this one will be ..................... IT !
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Old 06-22-2018, 04:21 PM   #1677  
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I'm not dissapointed
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Old 06-22-2018, 06:35 PM   #1678  
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Cheers RX , good to see there is still some interest !
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Old 06-26-2018, 02:43 PM   #1679  
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I'm not dissapointed
I'm not surprized :D

Nor disappointed, what an effort so far....
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Old 06-26-2018, 04:16 PM   #1680  
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Cheers AAfF , this should be the last thing to try . I really have run out of ideas after this.
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Old 06-27-2018, 02:19 PM   #1681  
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^Do not worry, I'm sure you come up with a new one, during this one :P
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Old 06-27-2018, 08:44 PM   #1682  
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Gunna try all the 'tricks' this time . IE screamer pipe , E50 (not willing to upgrade fuel system for E85 just yet) and anything else I can think of along with some internal engine mods .
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Old 06-27-2018, 08:59 PM   #1683  
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I only lasted one test drive with a screamer pipe lol Even if it's temporary, at least it'll tell you if the exhaust can be improved.

By "Internal Engine Mods" I hope you mean an extra rotor...or at least a thicker center iron for moar exhaust flow!

Come on, spill the details!
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Old 06-27-2018, 09:24 PM   #1684  
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The details huh .... Well , it's never been tried before (as far as I know) and it could be the breakthrough I thought I might get on the last round of mods (but didn't). How's that ?
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Old 06-28-2018, 07:31 PM   #1685  
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The advance details are lacking but waiting for the updates, your ideas always impress. And of course there are people following this thread..............
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Old 07-10-2018, 09:18 PM   #1686  
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Update?!
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Old 07-15-2018, 03:55 PM   #1687  
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Just came back from holiday . New engine is built ...picking it up today. Will be taking my time putting it in and getting it ready for one last ditch attempt at the world record whp for a Renesis.
I'm quietly confident that these porting mods will work ..............................as I have been through all my previous failures
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Old 07-16-2018, 01:26 PM   #1688  
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Did you grind out the siamese sleeve and weld in a divider?
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Old 07-16-2018, 03:54 PM   #1689  
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Did you grind out the siamese sleeve and weld in a divider?
No ...Siamese will be pretty much stock .
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Old 07-17-2018, 09:39 AM   #1690  
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Peripheral port the exhaust with a 5:1 undivided turbo flange and be done with it already.
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Old 07-17-2018, 03:31 PM   #1691  
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Peripheral port the exhaust with a 5:1 undivided turbo flange and be done with it already.
The whole object of the exercise is to make the Renesis work better with a turbo. Not because I think it will be any better than an REW or a hybrid, but because ... it's hard to do and no-one has done it yet.
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Old 07-17-2018, 10:01 PM   #1692  
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Old 07-18-2018, 04:32 AM   #1693  
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Keep up the good work
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Old 07-21-2018, 12:31 PM   #1694  
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Engine is running . Straight away I notice that it's using less fuel at idle ...which is interesting . Haven't tried high boost yet .
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Old 07-21-2018, 09:33 PM   #1695  
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Glad to hear it's up and running. Let us know how it goes under boost.
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Old 07-22-2018, 04:15 AM   #1696  
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Spoolup is slightly better to 10psi . Power feels good for that boost level so far up to about 5000...nothing surprising though.
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Old 07-23-2018, 09:57 PM   #1697  
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Eagerly waiting......
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Old 07-24-2018, 12:52 PM   #1698  
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I check here everyday only to see any updates from brett
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Old 07-24-2018, 02:36 PM   #1699  
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I check here everyday only to see any updates from brett
I think we all do.
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Old 07-24-2018, 03:09 PM   #1700  
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Here's me thinking hardly anyone was interested!

Did some tuning yesterday dialing in some bigger injectors.Will post a 10psi log soon . Also trying to get hold of a weld flange so we can make a screamer pipe .
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