*** PLEASE SCROLL TO BOTTOM FOR UPDATE:


quick breakdown:

*noticed white smoke out of the back of the car during hard acceleration
*loss of power
*compression: 210/200/200/90
*idling @ 700 rpm (tuned to idle 1050)
*running very rough
*leakdown = 80% leakdown on #1 cylinder with air coming out of ventalation tube on valve cover

pulled head:
*head gasket looks fine
*head looks fine
*piston looks perfect
*no scarring in sleeve

so i'm thinking: broken ring land?? i'm pulling the piston on monday... just trying to get a few more opinions. thanks.


Modified by kaj at 9:29 PM 3/25/2004

 

Could be. Was the car overheating? White smoke usually means coolant, which makes me want to lean more towards head gasket, but what do I know. Let us know how it goes

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Hoosier Daddy &raquo;</TD></TR><TR><TD CLASS="quote">Could be. Was the car overheating? White smoke usually means coolant, which makes me want to lean more towards head gasket, but what do I know. Let us know how it goes </TD></TR></TABLE>

i was thinking head gasket too.. but it looked fine. car never overheated. head gasket is being changed anyway.. obviously.


<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jerseykid609 &raquo;</TD></TR><TR><TD CLASS="quote">sounds like a ringland or just even so much so the rings check your oil the white smoke is probilly burning oil i had the same senareo happen to me everything looked great till i pulled the pistion out to see that the rings were cracked and the ringlands cracked. </TD></TR></TABLE>

that's what i expect. i'm thinking the rings aren't TOO bad as there was no scarring evident in the sleeve. a light hone/piston/rings should be all i need....... i hope.


Modified by kaj at 11:04 PM 2/28/2004

 

yup. it was ring lands]

 

yeah ur ring lands are gone. same thing happened to me. buring oil like a bitch did a comp test and cylc 1 came out to 125 as all the the other clyc were around 200

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Cyberdx16 &raquo;</TD></TR><TR><TD CLASS="quote">yeah ur ring lands are gone. same thing happened to me. buring oil like a bitch did a comp test and cylc 1 came out to 125 as all the the other clyc were around 200</TD></TR></TABLE>

hell, i was at 210/200/200/90!!! AND 80% leakdown!

 

check it out:

 

werd.

will be fixed by sat, though

 

damn looks alot like my piston when i took mine out. how did you do this again?

 

during a race i had a FPR come apart. it leaked most of my fuel all over the engine compartment.. i'm guessing it leaned out, maybe detonated. it's the only thing i can think of.

 

Most likely it detonated real bad. Same thing happened to my old B16 with a 60 shot or nitrous.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by kaj &raquo;</TD></TR><TR><TD CLASS="quote">during a race i had a FPR come apart. it leaked most of my fuel all over the engine compartment.. i'm guessing it leaned out, maybe detonated. it's the only thing i can think of.</TD></TR></TABLE>
You running a turbo or nitrous?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Chiovnidca &raquo;</TD></TR><TR><TD CLASS="quote">
You running a turbo or nitrous? </TD></TR></TABLE>

turbo.

 

update:

it WAS a broken ring land..


BUT I STILL HAVE A PROBLEM:

okay. the car seems to run right. compression is now 210 all the way accross the board.

but i STILL HAVE THE WHITE SMOKE. in fact, i had it after redoing the cylinder. and it's getting WORSE!
NOW i have a nice cloud when leaving a stop light, i can see some when i get on the gas kinda hard.. and when i come to a stop at the light, i can see it trailing away. no smoke while cruising.
aparently a SEPERATE problem from the broken ringland i had.. new headgasket.. new head studs.
maybe there is a crack in the block? isn't bluish/lt grey smoke from water?
this is stumping all of us and pissing me off greatly. anyone?
i see cars doing the same thing all around town so SOMEONE must know what is causing it, seeing how it's such a common problem??

 

bump

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by kaj &raquo;</TD></TR><TR><TD CLASS="quote"> isn't bluish/lt grey smoke from water?
</TD></TR></TABLE>
No, that would usually be oil. Water would make a white cloud. How many miles on it since putting it back together? Sometimes it takes a while to burn all the crap out of the exhaust system.

 

Also, did you check to make sure both the head and the block were straight? That could cause some water to enter into the cylinders, but you'd probably also see water in the oil and a cooling problem as well.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Chiovnidca &raquo;</TD></TR><TR><TD CLASS="quote">
No, that would usually be oil. Water would make a white cloud. How many miles on it since putting it back together? Sometimes it takes a while to burn all the crap out of the exhaust system.</TD></TR></TABLE>

it is white. not so much grey/blue.. very white. my mistake, sorry. i have about 500 miles on the motor.. the smoke is getting worse.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by AzSi22 &raquo;</TD></TR><TR><TD CLASS="quote">Also, did you check to make sure both the head and the block were straight? That could cause some water to enter into the cylinders, but you'd probably also see water in the oil and a cooling problem as well.</TD></TR></TABLE>

as far as i know they were.?? but no way of knowing.

 

real thick smoke that gags u right? thats coolant.

 

what have you checked since the problem started recurring? without a doubt this is coolant.

 

it's not that heavy. started with just a bit during hard acceleration. now it's everytime i leave a stop light even under partial throttle.
i haven't tested it in any way. i don't know what to do. that's why i posted here. i've never had this problem before.
the only thing i could think is to double check the headstuds to see they are still torqued down.
seeing how i had this problem before AND after the rebuild, i'm thinking a crack somewhere, right?
how do i test where the leak is coming from?
also: when i tried to "burp" the system from the valve on the front of the block, nothing came out when i opened it (wheter thermostat was open/closed). the car has not been overheating
there is no white residue under my cap to suggest a leak.
so how do i find out where this is occuring??
i'll pulling the cams/etc out to re-torque the headstuds.. anything i should be looking for while it's apart??

thanks, guys.

 

bump

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by kaj &raquo;</TD></TR><TR><TD CLASS="quote">how do i test where the leak is coming from?
</TD></TR></TABLE>
A leakdown test will narrow it down.

 

almost sounds like a crack in the cylinder walls. any idea what your coolant temp is at?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by KraZEtEggIE &raquo;</TD></TR><TR><TD CLASS="quote">almost sounds like a crack in the cylinder walls. any idea what your coolant temp is at?</TD></TR></TABLE>

that's what i was thinking. temp seems to be just fine.

i'm gonna do a leak down test ASAP