1999 Civic Si (B16A) bore?

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11-01-2004, 06:30 PM

BlazinEK

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1999 Civic Si (B16A) bore?

Hey everyone, could someone tell me what the stock bore on the B16A's is? I would really appreciate it.

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11-01-2004, 06:39 PM

civictildeath

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Re: 1999 Civic Si (B16A) bore? (BlazinEK)

stock borexstroke is 3.19x3.54 inches 81.00x90.00 mm

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11-01-2004, 06:40 PM

BlazinEK

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Another question...

One more question. Would anyone happen to know if a 2.5 in exhaust is possible on a close to stock B16A? What are the pros and cons?

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11-01-2004, 06:44 PM

2000EM1

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Re: 1999 Civic Si (civictildeath)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by civictildeath »</TD></TR><TR><TD CLASS="quote">stock borexstroke is 3.19x3.54 inches 81.00x90.00 mm</TD></TR></TABLE>

bore is right, but the stroke is 3.05 inches or 77.4 mm