Soccerking3000

Okay so i was merging onto the highway in 3rd gear and i was giving it some gas and i hit around 10psi or so when a huge balck cloud shoots out of my exhaust and it feels like i hit a rev limiter. So iu get off at the next exit and car still drives fine and idles fine, but if i am in the lower rpm and give it some gas it like makes a real fast thudding noise this is only from 2-3.5k or so if it is over that and i give it gas there isnt an issue.

A/f ratio is still fine across the board, its doesnt sound like knocking or anything but i'm not sure. Anyone have any input? could i have popped the headgasket, that was my first guess...

Soccerking3000

anyone?

Soccerking3000

bump

coneheadsracing

huge puff of black smoke would not be a headgasket. That'd be white.

Soccerking3000

well thats what i figured, black is unburnt fuel which would be fine because i am boost and there will be extra fuel, but not in the amount that came out, and that doesnt explain the bogging like feeling

Soccerking3000

so no one has any idea?

X-Mazda 3 Racer

Broken ring lands? What pistons are you running?

Importordomestic

are you running a cat? could be a cloged cat... good luck

Soccerking3000

no cat and i am running cp pistons, also its been raining for the past week and maybe some water got in the ignition? i do have a vented hood, i took it out today and no issues at all, then all of a sudden it starts again, still raining as well

Nors

Black smoke is damn near always running rich. What engine management you got?

Soccerking3000

i am running crome the a/f were all good, like i said i started it up today in the garage and everything was fine, but after driving it in the rain for 10 minutes it started up again (the bogging or like htting a rev limiter at like 3k if i gave it some gas) mind you the a/f still stays in check, not overly rich or lean (14.4)

qfast817

check your ground by the dizzy, mine came lose before.. also check your plugs

Soccerking3000

pulled the plugs... they look fine just rich like they should, but there was a little oil on them, just enough to notice its there, not soaked or anything

Soccerking3000

ohh and it does burn a tiny bit of oil in the higher rpms, but i think its normal i check my oil religiously and i havent lost a quart in a month which is the bad point...

Soccerking3000

now i removed the cap of the dizzy and there was water in there could that be my problem? lol

SOHC_MShue

doesn't sound like a headgasket. That would be white smoke.

edit: just saw someone else already said that.

Soccerking3000

what about the water?

Soccerking3000

any other ideas?

ladysman

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Soccerking3000 &raquo;</TD></TR><TR><TD CLASS="quote">now i removed the cap of the dizzy and there was water in there could that be my problem? lol</TD></TR></TABLE>

Water? Did you hose down your engine bay? They should be a "seal" there to help keep it out? Was that there?

Soccerking3000

yea the seal was there but its like kinda smushed or soemthing so it doesnt seal perfectly, and the water got in the bay via the vent in my hood (evo style hood)

ladysman

replace the rotor and cap and report back.

Ditch the hood.

atec

Water makes your engine run like ****. the water will misslead the spark inside the dissy.

SovXietday

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Soccerking3000 &raquo;</TD></TR><TR><TD CLASS="quote">what about the water?</TD></TR></TABLE>
Haha, water in your electrical components could possibly be your issue.

Soccerking3000

yea i took some rtv silicon and made a gasket after i dried it out and i did a valve adjustment just in case, started righyt up and is running real smooth

CoreyR

i was just gonna say its definatley water. i pressure washed my bay the other week and my **** did the same hting. then i let it sit for a couple hours and it dried ou and ran fine.