General engine questions/issues that aren't specific to the other categories
User avatar
By CaliEJ2
#83000 im going to swap in a jdm d15b in my coupe i hope this weekend. I still havnt passed the smog with the b8. i was wondering if i should try to smog it with the d15b or if i would be better off replacing the headers and the cat converter. what should i do?
User avatar
By suspendedHatch
#83253 You're not going to pass with any engine as long as you have that same cat converter on there.
User avatar
By CaliEJ2
#83259 ok so im gona get the headers and the cat converter for the b8. i heard something about putting rubbing alcohol in the gas tank and it will help it pass smog. wats up with that? is it true?