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Old 04-24-2010, 07:42 AM   #1
ihadmail
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Join Date: Sep 2007
Chapter/Region: South East
Location: Chapin, SC
Vehicle:
2009 Cadillac CTS-V

Default Yet another head question

Will I have any issues running a set of D25 heads on a 2.5L block with Wiseco 100mm pistons (part number K598M100)? Stock rods and stock head gasket. I've searched and am just getting more confused.


The reason I ask is I toasted my engine with bearing/ring shavings and need replacement heads and block. I've found a set of D25 heads that are in my budget, and a STi short block to put my Wisecos into.
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Old 04-25-2010, 10:11 PM   #2
FuJi K
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MY99 GF4 JDM 6spd
NF Performance

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They will bump up your compression ratio since they are 50cc combustion chambers. But I'd choose them since the transition is much smoother from cylinder wall to the valve. I run them on my EJ22T 2.2L bore.
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Old 04-25-2010, 11:51 PM   #3
ihadmail
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2009 Cadillac CTS-V

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Thanks for the response, but I ended up finding a set of b25 heads for a decent price.
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