Quote:
Originally Posted by Bob Kontak
1998 Prelude has a knock sensor and I bet it retards timing if there is spark knock.
Probably not as fancy as today's knock sensor systems, though.
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The Prelude has 115K miles and it's seen nothing but Prem fuel.
Having the old style VTEC, it only kicks in at 4500 rpms...the newer VTEC starts at much lower rpms.
My 2010 Fit, with the newer type, I couldn't even notice when it engaged. The Prelude has a definite 'kick' with it. So I'm careful about engine knock.