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Efr 6258 e85 virtual dyno

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Old May 1, 2021 | 09:36 AM
  #1  
c3hutson's Avatar
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Default Efr 6258 e85 virtual dyno

Just thought I’d share.
03 miata
kraken hotside
efr 6258
fab9 intercooler
manley rods
oem pistons
arp main/head studs
acl bearings
BE oil pump
ID 1050x
DW200
e85 running returnless still

lower power was last year before building up the engine and running e85.





Old May 2, 2021 | 12:39 PM
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Looks healthy! What boost are you running to get there? Curious to compare to the 6758, should be fairly similar at medium boost levels on pump, but how much less does it take you with e85

Takes me about 18-19 to get there on 93
Old May 2, 2021 | 12:42 PM
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Originally Posted by Dr.Sep
Looks healthy! What boost are you running to get there? Curious to compare to the 6758, should be fairly similar at medium boost levels on pump, but how much less does it take you with e85

Takes me about 18-19 to get there on 93
15psi. I’m told my timing is very conservative for e85
Old May 3, 2021 | 07:51 AM
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math checks out about right, awesome!
Old May 3, 2021 | 02:36 PM
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Nice graphs. What compression are you running?
Old May 3, 2021 | 02:51 PM
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NB2, so 10:1
Old May 3, 2021 | 02:53 PM
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OEM pistons for an 03 would be 10.0:1 for a USDM block.

EDIT: Appears OP already got it
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