Carlinag13
New Member
so i got a crap 94 teggy that needs lots and lots of TLc and slowly working on it, anyways. i have to use 93 because everything burns in a day...literally. 87,89 gone, 91 ok. i got a whole new exhaust with out a cat because that was clogged. it helped but i still have to use 93 on a regular LS engine. what can this be