S14 SR20DE?

[Yellow4g63]

What kind of mpg are you getting out of it? what grade gas do you run in it?

[Seishuku]

Mine is far from stock now, but when I first put it in, I was getting 26-28 in city and could push around 35 highway.
I ran 93 octane, because I didn't know how it would like lower grades, never did try anything else, but it's probably safe to use 89 at minimum.

[Yellow4g63]

One of my friends had one in a S13 and would run 87 in it. He left it bone stock but I couldn't remember what kind mpg he was pulling with it. Thanks for the reply Seishuku, can't wait to change out my rod knock KA so I can drive it and go faster than 50mph lol.