raced wrx again, improved but engine gets HOT!

[Sundance 6g72]

Brent. im getting to be really cool with the owners of the yard. the older guy loves me and gives me things for dirt cheep. i got his son today, hes a bit harder to deal with but he did give me a good deal. $125 if i pull it my self! sadly i dont really have enough cash to support buying this motor but im going to do it anyways because i need something to keep my self ocupied.

AEM worked well in my buddies neon. I LOVEEE the way prosports look and how nice they are on the phone. i have somewhat of a relationship with their tech rep, Kyle. I just ask for him and he gets me squared away. this is good and bad. i would rather not have to ever talk to anyones CS.

the air dam will go on when i feel like it. im not giving the car any hell really.

this is a video (also going to be posted in my build thread) that shows the open dump installed. in the beginning i try to capture the knock noise too. earlier i noticed that it makes the noise and is RPM dependent until i get to 30mph in 3rd.. light load the whole time. its weird. i wanna say its in the head but who knows. it dosnt do it at idle or cruise EVER as far as i can tell. just light acceleration.




been a while sense ive used a cutting torch. kinda turned into a hack job. im much better at welding and building than i am at cutting and destroying.



ready to tack it up. didnt really do much prep work as i dont really care



welded it on

bolted it on



welded on outside and inside. looks like ---- from picture. i know enough o know that the welds are solid though



HOLY TIGHT FIT BATMAN



getto vac lines. i was at school and didnt have a long enough line.. do what you gotta do





this video is to show the stupid knock/tick going on right now. i dont think its in the block. its rpm dependent until a certain rpm then it goes away. its not there during cruise or idle either. the weird popping when i first startout and dont shift is the car running way lean. no wideband means i cant fix that (long story about wideband. should have one back in within the next week)

[Sundance 6g72]

theory: while boosting, my catch can is hooked to the inlet of the turbo. the turbo sucked on the catch can so much that the can sucked on the valve covers enough to keep oil in the heads and starved the block of oil slightly..


also, the ticking in the video is different from my cache of coils that like to vibrate while i drive. lol

[Force Fed Mopar]

Says video is private

[Sundance 6g72]

yeah i know. guy on a local forum told me. its changed now


just read this

http://www.fordmuscleforums.com/all-...rod-knock.html

[Sundance 6g72]

motor is spent spent

it got way to hot for to long, ripped a headgasket apart. It then leaked coolant into the oil and i didnt catch it in time. a day of driving allowed enough coolant to mix with the oil causing the oil to be all bad n ---- and must have ruined a bearing or two.

its also pretty low on oil. less than half of the dipstick registers oil.. reason for me thinking it has coolant in the oil is because it had some creamy looking stuff on the dipstick as well.

curious how i should go about this.. do i buy the new motor or just pull this one and rebuild it with the cash i have. i didnt plan on the motor being dead and not drivable. but now that i dont want to drive it i think i should just get the motor pulled, rebuild it and drop it back in. this saves me $125. not sure how far $125 goes but you know.

---------- Post added at 07:35 PM ---------- Previous post was at 07:31 PM ----------

and now that i think about it. i need to go get a new motor because i dont like how this one is screwed up where the water pump bolts. awesome.

[Force Fed Mopar]

Put another engine in w/o the turbo, then build the old one to handle it. I had a feeling the quick head gasket job you did wasn't gonna hold a turbo for long. Build the engine right, make a real exhaust manifold/header set for it, then put it back in and take your time tuning it. Forget about racing STi's and crap until you have it right. Otherwise you'll be doing this all over again.

[Sundance 6g72]

i dont have an exhaust for N/A anymore. ill just put the turbo motor in with a proper rear manifold. itl take just as much time to build as it would to get a new downpipe made and welded into my exhaust.


the new motor will get the same headgaskets with the copper spray stuff. heads will be milled to ensure flatness. new bearings bla bla bla.

the turbo is not what killed this motor (assuming its dead) it was the heat that blew the headgaskets (they couldnt keep taking it.. sat. night is when they gave up) the bad headgaskets had enough driving time to ruin the oil and bam.

[MC#4]

Kinda off topic here but is that your wide band oxygen sensor in the rear manifold? Why not put it in your downpipe instead of only watching 3 cyls?

[Sundance 6g72]

naw.. stock narrow band 4 wire.. it not hooked up. sole purpose is to plug the hole lol

[MC#4]

duh, I shoulda noticed its only 4 wires :P

[c2xejk]

the new motor will get the same headgaskets with the copper spray stuff. heads will be milled to ensure flatness. new bearings bla bla bla.

What is this fascination with spraying headgaskets with copper spray?

[Sundance 6g72]

nothing really. its not to expensive (i dont think) and it can only help.

[MC#4]

Last I checked it was about $15 a can. I think its required for MLS but not needed for composite.

[Ondonti]

Works great for me, even on used OEM paper headgaskets.

I still don't know what kind of headgasket he is running. I wouldn't run an MLS unless its OEM mitsu.

Rod knock @ 44 seconds and 1:24. Its happening all the time but its hard to hear it over the motor. Its easiest to hear it at super low load levels but still a little load. Even when I pushed coolant this complete headgasket failure never happened to me. Overheating really hurts headgaskets, especially if it happens quite a few times for long periods.

[Sundance 6g72]

yeah ive been doing 250+ sense the new headgaskets were put on. makes me think it had sealing problems. o well.. i need a fresh motor to get that 350whp that i want to see on the dyno.

the headgaskets im using are felpro. they look just like yours in your holset build thread.

im glad you comfirmed the knock. makes me not feel dumb for just diving into the motor.