Aarons Drag CQ: 3-29 anodized and welded stuff. AN lines

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speeding-g60
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Joined: Fri Mar 01, 2013 10:46 am

Post by speeding-g60 »

SeStone wrote:Man, where did those pins split with relation to the rod journal and piston? That's pretty impressive to have destroyed all four of them.

Sam


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just off center it seems to me....

and what is impressive to me is the fact that i still made almost 600 AWHP on them :o
sp_tuning

Post by sp_tuning »

Damn those wrist pins got owned!
Word of advice for the future... limit the boost with a valve duty cycle cut or an ignition retard at a certain boost or both. I always have at least 2 or 3 boost limiters(boost controller, ECU ignition retard(soft) and ECU fuel cut(hard) and they've saved my engine when my WG started sticking.
fasterthenrs2

Post by fasterthenrs2 »

Damn I never thought be that, they must twisted a half, I can not imagine how much force it takes to brake wrist pin
HT Motorsport
Posts: 350
Joined: Wed Feb 27, 2013 11:56 am

Post by HT Motorsport »

Holy crap thats mad, I have never seen that before. Nice work!

Good luck on the new one, cant wait to see what this thing can do.
my2000apb
Posts: 1944
Joined: Fri Mar 01, 2013 11:52 am
Location: CT

Post by my2000apb »

ShavedQuattro wrote:unreal. Take some pictures of the wrist pins when you get them. I am curious.


yeah def, beefy parts are the best


speeding-g60 wrote:UPDATE:

i took block apart tonight. seems i broke ALL of the wrist pins LOL.....

i think 45 psi boost spike @ 6k rpm had something to do with it, but who is to say for sure. :)


hahahaha all of them dang! i wouldnt think 45 psi would bust up internals, hahah most people are doing 35 psi on stock blocks right? :hide:

aaron needs to be nominated for full on MG warrior status, you got them man, hammer down and be blasting imports in no time
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audifreakjim
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Post by audifreakjim »

Dude.
autoxtrëm

Post by autoxtrëm »

tool steel pin upgrade Aaron!!
Buckets

Post by Buckets »

This is awesome.
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speeding-g60
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Post by speeding-g60 »

wont know til tuesday... but there is a very good chance i got the crank as well :o

i need a manual trans AEB crank, in advance, if anyone has/knows of one in good shape and not expensive :)
Toxcheap

Post by Toxcheap »

speeding-g60 wrote:wont know til tuesday... but there is a very good chance i got the crank as well :o

i need a manual trans AEB crank, in advance, if anyone has/knows of one in good shape and not expensive :)


I thought right off that the wrist pin slop might have bent the crank, I've seen it a lot with spun rod bearings. I just didn't want to be the guy to mention it.
germantoy

Post by germantoy »

hey it could be worse you could be this guy.
2 to first shift full out OOPS
http://videos.streetfire.net/video/clut ... 197990.htm
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speeding-g60
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Post by speeding-g60 »

here ya go, Hank.... new partz are here.

wrist pin pix like you requested :)

and some damage shotz as well.... i am gonna make a windchime out of these here partz.... once the neighbor gets home so i can get some fishing line :)

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and then the new pieces.... they look pretty beefy. the middle i think is .180 wall, and it tapers out to the ends of the pins internally. hard to take a picture of something like this.

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Hank
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Joined: Tue Feb 26, 2013 1:16 am

Post by Hank »

Mmmmm.. Yummy parts. How much more were the heavy duty wrist pins?

parts look fast
Toxcheap

Post by Toxcheap »

New parts look sick
Toxcheap

Post by Toxcheap »

Ok I gotta say it and get it off my chest. Is it possible those pins were defective? I mean wft one ok, two wow all four wtf!! Somethings just not sitting well with me about those pins.
TheArchitect

Post by TheArchitect »

I really have to ask, why do those pins look like a tube inside a tube?

Are they really made that way?

I'd be furious with the piston/pin manufacturer if that's how they are made.
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speeding-g60
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Post by speeding-g60 »

dunno. many things that poor motor went thru.

crank walked, had > 1.1mm end to end play. sideways stress on the pins? probably due in part to the heavy ass clutch, a dual diaphragm pressure plate...

lifted the head twice, torched it the last time.

lots of 8500 rpm rev limiter hits while drag racing.

this is the other end of the pin view. its solid....

Image

.
derracuda

Post by derracuda »

all of those pics are stunning... that is amazing what an engine would go through.... and still run. hehe
fasterthenrs2

Post by fasterthenrs2 »

Aaron I think they got broken, when crank was walking back and fourth, that’s why it broke in a middle. New parts look sweet when it will run again??
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speeding-g60
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Post by speeding-g60 »

maybe by this weekend if the crank is ok. wont know on that til tuesday. but i have two cranks sourced, and will await them to be shipped just in case :)
my2000apb
Posts: 1944
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Location: CT

Post by my2000apb »

:woowoo: :woowoo:
psychorallyfreak

Post by psychorallyfreak »

Those new pistons are pretty.
Frank the quattro tank

Post by Frank the quattro tank »

Well, on the plus side, if you ever get beat by someone in class, you can just tell them that your motor is so powerful that you broke all four wrist pins (sarcastic :lol: )
Ringlord

Post by Ringlord »

I come back from my vacation to find this!? lol ( lol, i said lol) WOWZERS! I wouldn't have believed it if I hadn't seen the pics.
Nice new parts man!
And the vid with your boy is soooo cute, that I have to make sure my wife doesn't see it and demand we have kids!
Justin517
Posts: 282
Joined: Tue Mar 05, 2013 12:52 pm

Post by Justin517 »

Are the old rods all shot? they dont look horrible, except maybe the right most one.. looks a lil bent but might be the pic?
http://www.ExceleratePerformance.com

2003 540i/6 #1090/1265 imported M5 diff+Sway, Powerflex bushings, BC Racing coils
1991 200 20v Avant MRC Tune + Bilsteins... more to come.
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