inlet stud pattern


sammyb

sammyb

S4 owner
Joined
Jun 29, 2009
Messages
2,354
is the std pattern different on the b16a head to the b18c?? as i have a skunk2 inlet and not sure if it fits the both???

sammyb
 
He just said 18C and didn't specify whether or not it was a 18C4. If it is just an 18C, then it WILL fit as the 16A and 18C share the same cyl. head design.

It is the 18C4 (USDM 18C1) that is/are different. By all accounts, there's no official B18C"R"
 
RagingAngel said:
He just said 18C and didn't specify whether or not it was a 18C4. If it is just an 18C, then it WILL fit as the 16A and 18C share the same cyl. head design.

It is the 18C4 (USDM 18C1) that is/are different. By all accounts, there's no official B18C"R"
Click to expand...

Yeah, sorry I presumed. Get a bit lost with the overseas stamp numbers, as in NZ we only have B18C stamped blocks (JDM SI/SIR, ITR). So use B18Cr to separate the both :)
 
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