Na-Spirit

Hi, i recently got my ls turbo done, tuned with turboedit for now.... When i floor it, it sometimes sputters to a loud popping backfire sound, i checked my plugs and they are dark in color. im running no o2 sensor right now and it boosts 13psi, i will lower this very soon so im not flooring it too much, why i even did it once i duno, probably cause im smart...anyways could i be blowing out spark maybe? preignition? i dont hear the marble sound people talk about when i searched detonation....im gonna start off with welding my o2 bung, then maybe some high temp plugs...any help would be appreciated

platinum00

what is your plug gap set to. what kinda plugs

try .028 gap with 2 degree colder plugs..

whats your A/F

Na-Spirit

im useing bosch platnum 4 right now..i know crap, ya i heard .028 gap with the 2 degree colder plugs would help out......my a/f im not sure, im useing a tune that was used on a wideband and dyno though, xenocron chipped my ecu with his tune for me, he added more fuel and retarded the timeing from what he had it set at...his was quite agressive.

platinum00

try the plugs, no need to waste money on those platinum plugs. NGX v powers are great for 2 bucks a pop.

sounds like you may just need a good tune. you might be running real rich

Na-Spirit

ya i thaught it was way too rich...didnt sound like any of the other issues. ill try thoughs plugs and gap it to .028....thanks for the help

mrbsponge

bro you cannot run platinum plugs on a power adder set up, i toasted 2 motors as a kid because of this, they burn way too hot.

go with regular ngk 6 series,

also it may be the "TPS throttle enrichment" i had to adjust this on my hondata alot on the street tune, it would something similar when i just nailed the throttle down, it kinda felt like it loaded up on gas and then started popping,

seriously change them plugs homey

Na-Spirit

great info..thanks guys

Na-Spirit

i purchased ngk iritium plugs...gapped them too .028 and wow, runs great...no missfires, just crazy blown thanks again.