13.1 COMPRESSION ON PUMP GAS?
who ever is gonna tune it, must know their **** so you don't detonate, if your planning on running 91 octane then i recomend 12.5 or lower, a 13:1 comp. will be de-tuned so it pulls like a 12.5 anyways.
B19CivicHB has 12.7:1 in his JDM GSR and he runs it on 93 daily driver in Ohio. Revs it to 9200 rpms with the built head he's got and the stock timing map is fine. Oh, we did put an MSD SCI on it to further safeguard against detonation, but that's it.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by flatty311 »</TD></TR><TR><TD CLASS="quote">HAS ANY ONE RAN 13.1 ON PUMP GAS WITH OUT A PROBLEM PLEASE LET ME KNOW MY IMPORT BROTHERS</TD></TR></TABLE>
not for the faint of heart
not for the faint of heart
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From: wEsT of WattS...NoRth oF CompTon, CA
why would u want to run 13.1 on pump gas on the streets of any city?
if you r going to build that kind of motor, then save it for the track. if its lemme run drive around the corner to the store, then maybe. Why would u build a motor and have to detune it just to drive the car?
its mind boggling to me that folks want to build these outrageous combos and run pump gas....**shaking head**
just my .02 cents..........good luck bro with that.
if you r going to build that kind of motor, then save it for the track. if its lemme run drive around the corner to the store, then maybe. Why would u build a motor and have to detune it just to drive the car?
its mind boggling to me that folks want to build these outrageous combos and run pump gas....**shaking head**just my .02 cents..........good luck bro with that.
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jdmb16ef8
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Aug 19, 2007 03:10 PM





