color of backfire, indication of fuel mixture? - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

faded1004 · 10-20-2006, 12:06 AM

okay, i am runnign synthetic blend, which might be the blue? hahaha, my friend says, i have abotu 4 inch fire shooting out... hahahahah.... i have elbow, 3" down, 3" super duper high flow cat, 4" exhaust.... so the flames might be bigger then normal? anwyays, i hope ti is just teh lean fuel that is burning.. not that my car is lean... if i sell my hood and my diff's i will buy my wideband...

how can i tell if oil is burning? there will be oil on the back bumper right?

or smoke riht? black for oil, white for coolant? damn, my car is black too, so i can see alto of soot....

10-20-2006, 12:06 AM	#1
faded1004 Zilvia Junkie Join Date: Sep 2005 Location: Long Beach, CA Posts: 534 Trader Rating: (2) Feedback Score: 2 reviews	okay, i am runnign synthetic blend, which might be the blue? hahaha, my friend says, i have abotu 4 inch fire shooting out... hahahahah.... i have elbow, 3" down, 3" super duper high flow cat, 4" exhaust.... so the flames might be bigger then normal? anwyays, i hope ti is just teh lean fuel that is burning.. not that my car is lean... if i sell my hood and my diff's i will buy my wideband... how can i tell if oil is burning? there will be oil on the back bumper right? or smoke riht? black for oil, white for coolant? damn, my car is black too, so i can see alto of soot....