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Discussion Starter · #1 ·
I have a question on any JDM engine. Currently I am having installed a ITR (B18C) engine in my 99 civic EX. My question is this. Since Japan runs on 100 octane for their high compression engines and California's highest rated octane is 91, how will my engine react to 91 octane. Will it be fine? Will it detonate? Will the knock sensor retard the timing soo much that the car is barely driveable to the fact that I cant rev too high or I risk blowing up the engine due to detonation? I can add octane boost but the most it will do is add one to two points to the rating. Should I be concerned or will it be ok. Any comments will be greatly appreciated. Thanks
 

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Discussion Starter · #3 ·
UPRD???
 

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TCivicEX said:
Ultra Performance Racing Development.

If I'm not mistaken they are the front company for G-Force tuning, an ECU tuner which is a branch of an OEM ecu manufacturer for many Japanese car makers. So they have all the codes/programs for the ECU's and know how to tweak them. At least that's how I remember it...:)

Anyhow, I know this guy who worked with them to tune his heavily modded sohc non-vtec with nearly 13:1 c/r and nitrous, he ran 13.58 with that! I think he used pump fuel too.
 

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Discussion Starter · #6 ·
where can I find them or do you have any info on them? Thanks
 
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