jdm engine
#13
Registered User
I don't know about the engine light. I would assume it would throw a code b/c of the air pump issue, but I honestly don't know. Your other option is to just get a JDM ECU to run the thing.
#15
I know a lot of good legit smog techs here in cali that dont bend the rules for anyone. Honestly as long as everything under the hood looks stock and all the monitors run and none of ur 5 gases are out of spec u should be fine. Also if u want to check on ur emmisions before u get a actual smog check u can do a smog test which is a full inspection and a 5 gas test without making any calls to the BAR.
#16
Japan rates their gas using the Research Octane Number method (RON). 97 RON falls approximately around 92 AKI (U.S.). 91 octane (AKI) would be cutting it a little close (depending on the quality of the gas you use), but 93 octane (AKI) would be well within the range.
#17
USDM engine - 11:1 compression ratio
JDM engine - 11.7:1 compression ratio
With the USDM ECU, I feel that running premium 93 octane is fine. The ECU will just retard the timing when it senses knock, so it should be safe enough, but you have to keep in mind that you are running a half-a**ed setup, so it's not going to be perfect.
JDM engine - 11.7:1 compression ratio
With the USDM ECU, I feel that running premium 93 octane is fine. The ECU will just retard the timing when it senses knock, so it should be safe enough, but you have to keep in mind that you are running a half-a**ed setup, so it's not going to be perfect.
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Cheese and Onion
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04-28-2009 05:49 PM