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Old 08-22-2019, 06:52 PM   #807
WRXnick16
Scooby Specialist
 
Member#: 447898
Join Date: May 2016
Chapter/Region: BAIC
Location: W Sac, CA
Vehicle:
2016 WRX (traded)
2019 STI CWP

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Quote:
Originally Posted by Fierysun View Post
The new RA EJ257 stock short blocks have been known to hold up 550whp so far. Definite improvement over the previous short blocks, but the EJ257 SB really only had issues on bad tunes (below 450whp) or failing when the oil runs low. So in comparison, the FA is still not better than the EJ due to rods failing at a lower hps.
Glad I have the new EJ257s in my '19 STI

It'll be interesting to see how the better rods in the FA24 hold up in comparison to the FA20. Subaru certainly has the ability to make it stronger than the EJ257, but the question is will they do it?

Of course, then there's the S209's EJ257 with forged internals.. too bad we won't be able to get our hands on those short blocks.
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Last edited by WRXnick16; 08-22-2019 at 10:18 PM.
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