Thread: Blew up my fully modded VE engine

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2008-08-19 23:17:47

#21

Greenless

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had to be a piston failure, far more fubar down below than up above. and of the stock internals aren't pistons typically the weakest link? id go with another VE since most of the work is already done to the car.

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2008-08-19 23:34:49

#22

ashtonsser Online/offline status of ashtonsser is unknown

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but those were not stock pistons, those were arias pistons. its weird to say the least, it must have come in contact with the valve to break that piston like that once it broke it looked like the rod just detached from it and flung around a bit luckily not making more of a mess than that, haha

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1992 Nissan Sentra SE-R - Fully Built SR20VE, BWS400SX Billet 67mm and much more
JMS Racing tuned to 716whp, 423wtq at 29psi
10.5 @ 149.2mph to date I believe the fastest trap speed SE-R, Much more to come with some changes!

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2008-08-20 13:36:06

#23

TeamNissan Online/offline status of TeamNissan is unknown

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Originally Posted by donttazmebro

I ask because i doubt an open valve can bend a rod...the way the piston was eaten i would first say lack of oil. Since you drove the motor for so long the way it was i doubt it would have been the tune. But i don't think you could have destoryed that piston just from 1 launch with wheel spin.

With the amount of metal that is distributed throughout that block i wouldn't trust it anymore.

I am sure Greg V can get you what you need to build another one but for the sake of just being able to drive the car I would say buy a stock 20ve and drive while you build something scary fast.

I have a couple of other cars, so I'm fine for now, but I need this car running within a couple of month, so I have to get started now. But maybe I should order a std VE engine, then I can drive it while I build a DET engine and then use it as spare parts when I assemple the tuned VE again.

I wasn't going to use the bottom again, only the top and three working rods and pistons. You might be right about the damage of the engine, it looks like from the piston that the damage has begun "some time ago" but just can't figure out what have caused the damage to the piston.

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2008-08-20 13:45:08

#24

TeamNissan Online/offline status of TeamNissan is unknown

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Originally Posted by GregV

Carsten,
Just let me know how I can help. Bummer though...

Hey GregV (My new best friend

)

I need following

3 x W11 engines (or GTI-R engines if you can't get any W11 engines)
1 x BB DET engine
2 x VE engines
1 X VQ35 engine and tranny from a A34

what about 4 x clutch, 3 x frontpipe, 3 x HKS Chrono DB meters, FIC, Turbo Timer, BOV

Besyt regards
Carsten

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2008-08-20 13:46:05

#25

TeamNissan Online/offline status of TeamNissan is unknown

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Originally Posted by gnalcarion

I've never seen anything like that before, WOW

I'll give you a lowport SR20De block for free if you pick it up here in Norway

haha thanx

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2008-08-20 13:57:24

#26

TeamNissan Online/offline status of TeamNissan is unknown

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Originally Posted by ca18
i think it looks like the cam has snapped from the piston hitting the valve.

looks like the piston has come flying off the wrist pin and hit the open valve, which in turn has snapped the cam from the force.

but god knows how or why the wrist pin snapped, but it would also explain your bent rod, as the wrist pin would snap before the rod will in most cases.

Originally Posted by ashtonsser

yeah looks like if failed at the wrist pin, pretty good damage and your lucky the rod didnt tear through your cylinder wall like mine did, haha but im sure it got pretty scarred from the rod, mine was worst case, again thats why the thread i started was called King of Carnage, haha. but yeah ive seen a couple peoples cams snap in half from that kind of stuff happening, i mean if the cam can spin because the valve locked then thats what happens.

On highport motors the rockers usually just shatter before the cam breaks. Luckily too or my S4's would have been toast in the motor i destoryed when the piston hit the valve after the rocker arm threw and lodged my exhaust vavle open. haha. But good luck on any future plans for the car. It definetly sucks, especially since mine was only built for about 1400 miles, it bites. Stupid lifter cause my problem.

Originally Posted by Greenless

Originally Posted by ashtonsser

I can see both options as a possibility......
1: Cam snapping leaving valve open, piston hit valve and breakes
2: Piston snapping of the wrist pin smashing the valve into the cam and snapping it, because it can't turn.

anyone know for sure if both situations are possible!?

I turn towards number 2

/Carsten

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2008-08-20 14:00:48

#27

TeamNissan Online/offline status of TeamNissan is unknown

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Originally Posted by jer_760

So are you saying that you were bouncing off the rev limiter when this happened?

Normally I keep it just beneath rev limit also when spinning the wheels, but yes it might have hit the rev limiter.

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2008-08-20 14:02:47

#28

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Originally Posted by SinisterSntra91

Drop kick that VE and go BB not GTI-R, GTI-Rs are moody SOBs, unless you switch to a different single TB intake manifold, I should know I have two lol

Yeah think I'm going boost this time...... tired of tuning N/A it is way more expensive than boost.
But I will rebuild the VE and put it in my ETCC race car

http://http://www.teamnissan.dk/ETCCpictures.htm

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2008-08-20 19:55:39

#29

ca18 bluebird Online/offline status of ca18 bluebird is unknown

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damn got a fair list of parts ya want

i can help ya out with turbo timer if ya want, have a hks and blitz one

pm me with an offer if ya want

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2008-08-20 21:04:55

#30

TeamNissan Online/offline status of TeamNissan is unknown

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Originally Posted by ca18
damn got a fair list of parts ya want

i can help ya out with turbo timer if ya want, have a hks and blitz one

pm me with an offer if ya want

He said he might be able to help, then I might as well throw it all at him

I'm interested PM sent

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