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Old 08-11-2008, 10:23 PM   #1
bryancregger
Scooby Newbie
 
Member#: 174103
Join Date: Mar 2008
Chapter/Region: RMIC
Location: Wyoming
Vehicle:
2002 Impreza WRX
Midnight

Default EJ20 and its options.

I have an 02 wrx so my current block is ej205 i'm thinking.. my questions is are all ej20 blocks interchangeable? such as an ej207 block with my USDM heads? I'm just looking to do a simple plug and play.. not looking to modify
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Old 08-11-2008, 10:33 PM   #2
Matt Monson
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Member#: 832
Join Date: Jan 2000
Chapter/Region: RMIC
Location: Teh Ghetto Garage, CO
Vehicle:
99 2.5RS, '85 911
'73 914 and 2012 BRZ

Default

Ej207 is plug and play with your car. So is an Ej257 block, with the proper head gasket. In general it's better to stay away from any of the older Ej20G, Ej20K and twin turbo Ej20H or Ej20R blocks. They tend to bump your compression ratio a bit more than you want and often require thicker early JDM head gaskets for piston clearance.
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