Tune b18c1 for 87 octane?

[whtcivic93]

So its getting hard to find 93 octane recently around my area with all this "shortage" bullshit going on.

Was just curious if there would be any benefit to trying to tune for 87 octane, or if it can even safely be done.

I mean I have to assume there was a pretty good reason these engines were designed for premium fuels, but like i said before, can it be changed to 87 and show any benefit, without sacrificing reliability?

Just looking for some input on the matter. Thanks.

 

[Steven.]

i only run 87 on all my cars anyway, most new cars say run premium, but your really dont have to, its just to get best fuel millage.

 

[Kaotic_Zeus]

you can go awhile without it knocking, but that's never a good idea.

 

[yourslow]

yea and the gsr has the knock sensor so the means your check engine light comes on

 

[$lick Rick]

you can go awhile without it knocking, but that's never a good idea.

yep

you cant re-tune for lower octane... but you could trade your c1 for my ls motor

 

[whtcivic93]

Thanks guys.

So you say If I cant get a hold of any 93 I could run a few gallons of 87 through her and be okay though?

 

[Steven.]

ill be running 87 is my c1 when i swap it

 

[Kaotic_Zeus]

you can try mixing in 89 if you can find some of that with the 87 I knew a guy who did it in his bmw Z3. He would run half a tank with 87 and the other 89 when he started to get the knocking, Never used premium on it. not sure why he was insistant on doing that all the time, not like he didn't have money for it or something like that. He taught auto T before too.

 

[xxsenceo89x]

just stay out of boost and you can 87 all day

 

[NFR_AP2]

get some octane booster from advanced...

 

[Billy Zane]

87 is what you poor people use, get a job in acting you make mad money.

Sniper anyone?

Exactly.

 

[somejaykid]

87 is what you poor people use, get a job in acting you make mad money.

Sniper anyone?

Exactly.

 

[SlowTEC]

Higher compression (such as a B-series VTEC) or boosted motors require the higher octane to resist detonation. I wouldn't do it myself, but if you feel comfortable with it then go for it. I'd definitely be sure to pay attention to any irregularities in the way your engine runs or fuel economy.

 

[Steven.]

Higher compression (such as a B-series VTEC) or boosted motors require the higher octane to resist detonation. I wouldn't do it myself, but if you feel comfortable with it then go for it. I'd definitely be sure to pay attention to any irregularities in the way your engine runs or fuel economy.

GSR dosent have high compression, its actually crappy compared to other B series Vtec's.

i didnt know your GSR was turbo

 

[rey_boricua]

he has a b16a2 unless he went GSR without me knowing

 

[Steven.]

his title say B18c1

 

[whtcivic93]

I think hes talking about the other guy..

 

[rey_boricua]

his title say B18c1

ui was talking about slowtec

 

[andrew256]

I've been having a hard time finding 93 lately. I'm going to pick up a bottle of octane booster from advanced tomorrow just in case.