8th Generation Honda Civic Forum - View Single Post - SI with 87 octane gas *Threads merged*
Thread: SI with 87 octane gas *Threads merged*
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Old 02-18-2009, 11:16 AM   #198 (permalink)
blacksi
Senior Member
 
Join Date: Apr 2008
Posts: 289
Quote:
Originally Posted by jumboshrimp23 View Post


I did not know u Si people had to put 91 + octane in ur cars. Sux when gas prices are high
you dont its recommended,they never say use 93 they say it is recommended that you use 93, regular gas is not going to mess up the car, with engines these days it does not matter, back in the day it might have caused a problem but now its no big deal...
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