Exciting New Head Option for EJ205/EJ257 Hybrid Builds!

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Old May 19, 2010 | 12:09 PM
  #16  
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We've been having a lot of heads sent in for this service lately from all over the country. Here are some pictures of the process:

Here are some pictures of the process:








More pics of the final product coming soon!

Thanks
-- Ed
Old Jul 6, 2010 | 01:47 PM
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Final product pic:



Thanks
-- Ed
Old Jul 6, 2010 | 02:19 PM
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+1 Great new option.. once my 2.0 goes, I guess this is what I'll be getting, too.. =D
Old Jul 6, 2010 | 02:55 PM
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Old Jul 6, 2010 | 04:03 PM
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!!

-- Ed
Old Jul 6, 2010 | 04:34 PM
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Looks great. Do you have any dyno charts comparing a hybrid build that used a thicker head gasket vs. a hybrid build using your new method?
Old Jul 6, 2010 | 05:10 PM
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Originally Posted by stg2lgcy00
Looks great. Do you have any dyno charts comparing a hybrid build that used a thicker head gasket vs. a hybrid build using your new method?
I could overlay a couple cars. The problem is that they're not exactly the same setups, so the comparison wouldn't be 100% fair. I'll see if I can find a couple that are very similar.

-- Ed
Old Jul 6, 2010 | 06:59 PM
  #23  
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Ok, yea that would be cool to see a comparison of two cars that are relatively similar other than their choice of assembling the block + heads. I realize most people won't have the exact same set of parts in their build.

Def considering this option once my EJ205 reaches the end of its days.
Old Jul 7, 2010 | 12:14 PM
  #24  
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Here is the closest comparison I could find:



The Blue curve is an 02 WRX with an EQ Stage 1 shortblock, EQ Stage 2 heads (w/o CNC) using a thicker head gasket to bring down the compression ratio. Its running a VF43, STI TMIC, Catless TBE, DW740cc injectors, and MBC.

The Red curve is an 04 WRX with EQ Stage 1 shortblock, EQ Stage 2 heads w/ CNC work using a factory STI head gasket. This car is also running a VF43 with STI TMIC, Catless TBE, 07 STI Injectors, and MBC.

I think this is actually a very fair comparison as the setups are very similar and both have our built engine. This really shows the big mid range gains that these CNC heads provide.

Thanks
-- Ed
Old Jul 7, 2010 | 12:26 PM
  #25  
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Awesome. Pretty decent gain in hp and a huge bump in tq
Old Jul 7, 2010 | 12:54 PM
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that 04 wrx sure looks familiar!!
Old Jul 7, 2010 | 06:18 PM
  #27  
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Yep... that'd be yours Jacob!

-- Ed
Old Jul 7, 2010 | 10:17 PM
  #28  
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I couldnt be any happier with these heads!! amazing work EQ Tuning!!
Old Jul 8, 2010 | 04:12 AM
  #29  
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wow... i really wish i did this haha, i literally just got done a week ago finishing my hybrid swap at GST motorsports, which they did a great job for sure, i just wish i knew about this... :'( haha how much in labor would that cost to switch heads?
Old Jul 20, 2010 | 01:12 PM
  #30  
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Originally Posted by Urglegrew
wow... i really wish i did this haha, i literally just got done a week ago finishing my hybrid swap at GST motorsports, which they did a great job for sure, i just wish i knew about this... :'( haha how much in labor would that cost to switch heads?
You'd be looking at about $1500 in labor to swap out the heads. You would need to be re-tuned at that point as well.

Thanks
-- Ed



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