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scheides
10-31-2010, 10:23 PM
Did any of the other pistons look all detonation ravaged like #1? Wonder if there was something going on with that injector or just the bad Duluth gas.



Higher timing lower EGTs. The scoring on the other cylinder is a little weird. Question is whether the damage was causes by parts from #1 getting into the others, the tight gap theory or something else. Were the spark plugs on the other 3 cylinders eaten up from det or look like something hit them?

Yea I'm kinda contemplating getting the injectors flow tested but the rest of the pistons looked fine aside from the scoring and the one rough spot on #4.

All spark plugs looked fine and the other three combustion chambers on the head look great. I'll take closer pics when I dissassemble the sensors/tstat housing/exhaust manifold off of the head; it's obviously going to have to get looked at.

TalonFiero
11-01-2010, 09:45 AM
Finally, this thread is a proper project thread now!

Good work Scheides and Kody. I'll be there to help you put it back together.

GG_9_SE
11-01-2010, 12:59 PM
The only piston that looked like it didn't have any damage at all was #3. #1 was fucked, #2 had some slight pitting/ gouges on top, and #4 had a bur on the side the scratched the intake side of the cylinder wall. The only marks on the head though were on the #1 dome, and just barely into the valve seat. Hopefully you won't have to touch the head, but who knows. Deffinatly lemme know when its going back together! :D

Pushit2.0
11-01-2010, 01:14 PM
I would use a TIG welder to smooth out the pitting in the head. Then deck it, keeping the heat as low as possible and keeping the over all head temp low so you do not have issues with the valve seats.

~John

scheides
11-01-2010, 11:09 PM
Sorry this is gonna be kinda long-winded, tons of things up in the air right now.

So even last week I started putting the feelers out to national and local shops to see who was busy, who had parts, who could do what and end of the day I am keeping the rebuild process local. We are truely blessed to have shops like DB Performance and Modern Automotive Performance nearby and I plan to use them to the fullest. Both shops have graciously held out their hand and it makes it tough to try and decide who to have do what. Ultimately my timeline and my wallet are going to be boss but if I had a little more of each I wouldn't bat an eye to drop the entire lot off at either shop and let them do it all.

Everything continues to be on backorder, but a few things are coming through: MAP has some of their new x-beam rods ready to rock. I may skip the GSC S2's in favor of Kelford 214-b's since they're in stock, but neither GSC nor Kelford beehive valvesprings are available until the end of november, so I am leaning towards Supertech duals. I will hold off on the cam decision for a few weeks while the motor is getting rebuilt and make the decision later.

MAP has all their machine shop tooling in-house and goddamn are they REALLY eager to use it! They seem to have a steady flow of motors going through so they're not a bad choice. DB thinks they can turn around the motor pretty quick too so really its anyone's guess at this point as I have full confidence in both's ability to produce a strong, reliable shortblock. I'm hoping we can stay away from political 'favorite shop' games and just keep nose to grindstone here as I probably need the help of both shops to get everything done in the timeframe I want: 2.5 weeks.


When I bought my house about 5 years ago my dad made me the most epic workbench ever. Thanks dad, putting it to good use now :)

http://www.scheides.com/albums/evox-engine/IMG_3533.sized.jpg

So looking at the head, the damage is not nearly as bad as I remember. As long as there isn't damage to the seat itself like John suggested a few passes with a TIG with some skilled hands and then a nice deck job should do the trick. If there is any damage inside we'll just have to deal with it and go from there. I'd love a MAP stg4 port job on it but the is gonna be tough to justify the $$ and their porting department is like 6 weeks out which TOTALLY blows my timeline.

Here's some more pics of the head, exhaust ports (looking for particle damage) cyls 1-4:
http://www.scheides.com/albums/evox-engine/IMG_3534.sized.jpg

http://www.scheides.com/albums/evox-engine/IMG_3535.sized.jpg

http://www.scheides.com/albums/evox-engine/IMG_3537.sized.jpg

http://www.scheides.com/albums/evox-engine/IMG_3538.sized.jpg


And the CC's, cyl's 1-4:
http://www.scheides.com/albums/evox-engine/IMG_3540.sized.jpg

http://www.scheides.com/albums/evox-engine/IMG_3541.sized.jpg

http://www.scheides.com/albums/evox-engine/IMG_3542.sized.jpg

http://www.scheides.com/albums/evox-engine/IMG_3544.sized.jpg


Also examined the turbine wheel for damage, only thing I could find is a *slight* ding in the turbine wheel, but not sure if it is really anything (I've run worse turbos for years on DSMs).
http://www.scheides.com/albums/evox-engine/IMG_3545.sized.jpg

http://www.scheides.com/albums/evox-engine/IMG_3546.sized.jpg



So yea, bought some beefy rubbermaid totes to transport the block and head in, we'll see where things end up over the next few weeks but I am PUMPED as it looks like this thing will be coming together before too terribly long!

Murlo26
11-01-2010, 11:13 PM
Looking good man! I'm excited to see your build coming along so quick, 2.5 weeks, holy shit! lol. That is crazy fast, I will be very impressed if you get it all back together by then, good luck :)

DoughtCom
11-01-2010, 11:13 PM
You need help, I'm there. I'll try to keep an eye on this thread too.

scheides
11-01-2010, 11:17 PM
Looking good man! I'm excited to see your build coming along so quick, 2.5 weeks, holy shit! lol. That is crazy fast, I will be very impressed if you get it all back together by then, good luck :)

It is ambitious and maybe overstated; gunning to have the shortblock back by friday 11/19 so I can put the block/trans back in, bolt up accessories and turbo and then drop the head on as time allows soon thereafter (and make final cam decision accordingly).

Murlo26
11-01-2010, 11:21 PM
It is ambitious and maybe overstated; gunning to have the shortblock back by friday 11/19 so I can put the block/trans back in, bolt up accessories and turbo and then drop the head on as time allows soon thereafter (and make final cam decision accordingly).

Ambitious, sure..but with your resources and skills and desire I have no doubt you could get it done!

I think the kelfords are great for sure, but personally I'd vote wait it out for the GSC s2's ;) But you have rode in Zwinger's car and mine so you know how they both feel more or less and they are close in aggressiveness.

awd-drifter
11-01-2010, 11:26 PM
good luck scheides! hopefully everything goes through man.