What is the difference between EJ251 and EJ253?
Registered. Here you can see what is different in the blocks, EJ253 is supported like a EJ205, EJ251 has the end supports like a EJ257 but is missing the thick side supports, basically has no support. The ej253 looks exactly the same as the 251 but with better supports.
How much boost can an EJ253 handle?
you can go to 9 psi supercharged boost at least safely on stock block with a very good tune.
What car has EJ253?
Subaru engines specifications
| MODEL | ENGINE | |
|---|---|---|
| 18 | OUTBACK | EJ253 H4 SOHC 16 VALVES 2.5i |
| 19 | OUTBACK | EJ253 H4 SOHC 16 VALVES 2.5i |
| 20 | OUTBACK | FB25B H4 DOHC 16 VALVES 2.5i |
| 21 | OUTBACK H6 | EZ30D H6 DOHC 24 VALVES 3.0R |
Does my car have DOHC or SOHC?
Re: how to tell if you have a SOHC or DOHC? Easiest way to tell is by looking at the valve cover, the DOHC is much wider and has a groove in the middle where the plug wires go.
When did the Subaru EJ25 2.5L come out?
Subaru EJ25 2.5L Engine Review The 2.5-liter engine from EJ series appeared in 1995. EJ25 is the biggest engine among other EJ engines – EJ15, EJ16, EJ18, EJ20, and EJ22. The engine became widespread in all major models of the brand.
What kind of engine does a Subaru Legacy use?
The second generation of the EJ255 is used in the 2006-2008 WRX, the 2007+ Legacy, and the 2006+ Forester. It uses a slightly different cylinder block and cylinder heads. JDM Forester STI used VF41 turbocharger, WRX III – VF52 (0.92 bars). The Legacy GT up to 2009 used VH46 (0.96 bars, 250 hp at 6000 rpm).
What’s the compression ratio on a Subaru EJ255?
The compression ratio is 8.4 (2004-2006 STI engine has 8.2:1 compression ratio). The engine has TD04L turbocharger produced 0.8 bars. The output of this configuration is 210 hp at 5600 rpm. The second generation of the EJ255 is used in the 2006-2008 WRX, the 2007+ Legacy, and the 2006+ Forester.
When did Subaru replace the ej20d engine?
The power of EJ20D is 155hp at 5600rpm, but from 1997 it got new pistons, and its power output rose up to 165hp. This motor was replaced in 1998 by the more modern EJ251 engine.