brenden Posted January 12, 2021 Posted January 12, 2021 anyone ever seen this ? its got me beat haha mod's - built motor stage 3 PW intercooler + pipework 2000cc injectors pro charge 6767 turbo full 4" exhaust system 460 intank pump GFB fuel reg the tune is far from finished, AFR drops into 11.8 nice and holds through out the run and running 20psi boost on 98 octane. any ideas would be great ! cheers 😃 video-1610425157.mp4 Quote
brenden Posted January 12, 2021 Author Posted January 12, 2021 turbo is only like 3000km old, I wouldn't think they would be stuffed but worth having a look at, and its not eating oil either. it smells like straight fuel to. Quote
brenden Posted January 12, 2021 Author Posted January 12, 2021 the only time it smokes like that is when it hits rev limiter to other wise its pretty well clean Quote
Roland@pcmtec Posted January 12, 2021 Posted January 12, 2021 Fuel smoke should be black. Could it be bits of the cat breaking off and combusting? Doesn't look good either way. Quote
Yamonda Posted January 12, 2021 Posted January 12, 2021 It sounds like its really running crap and sounds like it breaking up and not making much power. I'm going to go with Roland and say the cat or turbo Quote
brenden Posted January 12, 2021 Author Posted January 12, 2021 yeah its struggling to make 400rwkw, the dump pipe is coming off it today to have a look at the back of the turbo so ill get the boys to check the cat out to, cheers guys 😃 Quote
yoda598 Posted January 14, 2021 Posted January 14, 2021 definitely looks like cat falling apart. what's the verdict? Quote
brenden Posted January 18, 2021 Author Posted January 18, 2021 so far iv "replaced" the cat...... and changed spark plug to a different heat range and all is ok so far 1 Quote
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