toneh

iTrader: (1)

This has probably been asked many times before
But ever since I've joined here all I've heard is
" oooh" don't do this or that or it'll blow up
So who or how many have had a blow up with the 2.0 engine
I don't mean blown h/g or bottom end knock
I mean rod through block or melted piston type damage ( and if the cause was 100% know or found ) if poss

bustaMOVEs

iTrader: (31)

You on one again?

toneh

iTrader: (1)

Nah mate , it's just I keep seeing folk write " it'll blow up "
But all I keep reading is " I think my h/g is gone "
Or " bottom end is knocking "
Which is far from a blow up
I want to hear of melted stuff an bits of aluminium strewn all over the road

Moley

iTrader: (9)

There was a Spec C that blew a hole in the block, oil leaked onto the exhaust/manifold, and went up in flames.

CREWJ

I know one from a crash but that's an isolated incident.

Seems like you are arguing semantics now. When people say that they mean that it won't last. Like you said, they mean a bearing failure or such.

In work I have seen a conrod go through a block due to a bearing failure so it's not impossible. Not an Impreza though.

DieHardDonkey

not scoob related but i had my gsxr 750 hardtail chop blow the front cam clear out of the head on the m5 at 125mph. it peeled back the cam cover and just flew out, it was very dramatic lol. the back cam was seized in so tight i hadta use a 3ft pry bar to get it out and the cause was the cam oil feeds had blocked up. £100 saw a replacment engine in it and iv been running with that ever since with no problems and that was 5 years ago now :-)

ditchmyster

iTrader: (7)

I think but not 100% Wiley threw a rod and it wasn't pretty.

They are known to throw the odd rod or two but mostly it's bottom end that bites the dust.

AS Performance

iTrader: (4)

have done various rods through blocks over the years..................

if you dont switch off when it starts to knock its brains out, it will knock its brains out

MattyB1983

iTrader: (51)

Adz from here had his low mileage 2005 wrx fail shortly after a mapping session by, well lets not give names hey.
The block had to be replaced and the failed piston was a right mess.
I'll get some pics at the weekend unless Adz comes on.

JDM_Stig

iTrader: (3)

if it needs a engine rebuild it needs a rebuild, if thats due to faulty maf, poor mapping, crap fuel, or just pure thrash it doesnt really matter does it ?

Most knocking bottom ends will throw the rod for you eventually, but most people realise the knocking isnt normal and sort it before it gets to that.

toneh

iTrader: (1)

I had a catastrophic failure when racing an fzr 600 at darly moor ( many moons ago)
It pushed a valve side ways back up through the head , shrapnel went everywhere , was fishing bits out of the carbs and allsorts
It smoked a little when it went pop

CREWJ

Was in my friends Astra when it put the rod through the block. The AA man came expecting to fix it after we told the operator that it couldn't be fixed

toneh

iTrader: (1)

How many shall we say ( blow ups ) can be attributed to just plain old thrash and fatigue failure and would have failed anyway , regardless of fuel , map ect
I would think quite a few
I certainly don't want to turn this into a mapping thread
Summat that gets me is when folks say it's failed after mapping
Logic says if an engine is gonna fail its gonna be when or after it's been given some stick , which is more often than not during mapping or shortly after when billy big bhp puts his foot down with his new power gain

Hawkeye D

I saw at work once an 04 plate Passat TDi 130ps (AWX engine code) with a whacking great hole in the block.

I was surprised, as the 1.9 AWX's are usually bulletproof.

toneh

iTrader: (1)

My ex mrs threw a rod in my mk 2 rs 2000 thrashing it down the m1
It took out my Ali sump as well ( was gutted lol )
Feckin cow bag , never liked her

mickywrx

iTrader: (29)

Been there, stripped 3rd gear, told them to send a flatbed. Sent a little old bloke in his van.

chopperman

haha, i had a very heavily modified Kawasaki Z1100. Big bore, wide web cams, APE everything valve train ,welded crank ect ect She let go on me at 140mph. Bent rod, split liner, destroyed wisco piston and cracked head bent valves. All on cylinder #3. I put it down to a seized small end.

Aaron1978

iTrader: (12)

Didn't throw a rod, but may as well have done

https://www.scoobynet.com/scoobynet-...ad-engine.html

MattyB1983

iTrader: (51)

This a great get out clause for mappers, its never their fault as 'the engine would of let go anyway'.
But bad mapping does go on and it does cause engine failures.

toneh

iTrader: (1)

I'm not saying bad mapping don't go on mate , but I can't see it attributing to catastrophic failures no more that mr lead foot hitting the rev limiter every outing

toneh

iTrader: (1)

I believe that in most cases it probably would fail anyway
But that's my opinion
Like I said I don't want this turning into a mapping thing
More of who or how many have had a good blow up and why

MattyB1983

iTrader: (51)

Obviously driving a car on the limiter non stop will drastically shorten its life, but who does that ?
I bet theres not one person on here who drives like that and there are countless failed engines on here.

A well mapped and maintained car can be driven very hard without failing, a poorly mapped car can not. In my pals case it let go the very first time it was opened up properly.


I don't really understand the reason of the thread if im honest.

toneh

iTrader: (1)

The reason of the thread was like I said all I hear is " blow up "
I'm interested to see what numbers have blown up
And don't talk ****e about no one drives like , of course there is

Did the mapper pay for your mates engine btw

Tidgy

there was a company set up a while back that blew up several cars during mapping in the midlands area, at least 7. real shame cos several owners sold the cars on as rolling shells and then never been heard from again

have a chat with kev next time your up at clinic, he had a few of them in at tha time.

toneh

iTrader: (1)

Lol , tidge you keep telling this story
I really didnt want this turning into another bloody boring mapping thread , but it seems most seem to think that most cars blow up because of bad mapping
Even though we've got stories above of plenty of blow ups on vehicles that can't even be mapped
So it's not , age / fatigue , poor oil/ maintenance , driving without mechanical sympathy, mods done by clueless folk , poor fuel quality ,poor quality parts from Subaru ?
It's all caused by bad mapping ,,, now come on !!
I have spoke to Kev and he also pointed summat else out about the trials and tribulations of mapping , there's two sides to every story and one of the reasons I wouldn't go into mapping as a profession , even if my name was tony pat simon Duncan bob h the third , and I was the most talented experienced mapper the world has seen
Ok mappings responsible you say ,,,, how ?
Let's take classics
O/S is not available for classics , so you've ruled out what you would call true amateurs for starters
So that leaves , after market ecu , ecutek , esl and the like
Anyone who's fitting anything like this is not gonna be clueless
If they are it makes a total mockery of what's been said on previous threads
If your fitting these parts /mapping and keep blowing cars up your gonna be asking some serious questions , to yourself and suppliers
Ecutek , superior support , maps and back up , your gonna refer back to them
After market , " hey Steve I've fitted these ecus and cars are blowing "
Esl , the same , ect , ect
So if your fitting /using these parts your gonna be asking questions Long before you've blown 7 cars or more , even for your own piece of mind if not the customer
Now newage
Same above applies but with the addition of o/s and true DIY mapping
But the added advantage of a very smart ecu
The chances of mapping a new age so wrong that instant damage will occur is slim
It will soon tell you something's wrong and will do all it can to save things
It'll pull back and try and save the motor whenever poss
That's not to say you couldn't get it drastically wrong , but if it was that wrong it would become apparent during mapping and even a total cabbage would know summats wrong
I got sent a map recently to cast my eyes over and it was ****e , didn't even have to look past the timing and fueling to see it was so wrong
The car was running on it and as far as I know hadn't blown up , some might say they were suprised it didn't , it was probably just pulling back and trying to save itself

So there's my points as to why I don't believe that mapping is the biggest contributing factor in blow ups

Now I'm gonna finish my coffee and take the dog out

LuckyWelshchap

That's it, the car's staying in the garage and I'm not letting any mapper, mechanic or AA man anywhere near it.

And to think all I used to have to worry about when driving it was the wife curling up into a ball when Mr Right-foot went into action.

f1_fan

iTrader: (9)

Well if I needed a cure for insomnia reading this garbage and that stupid thread on the JDM hawk would be it!!!

Snooky

I am glad I have a sport!! No problems I toot along, it's all noise and no go really!!

Next year hopefully upgrading to a wrx but won't be messing with engine from all these mishaps that come up on here!! Playing it safe I like to get from a to b!!

toneh

iTrader: (1)

Is that the best comment you can do , a post for the count sake if ever I saw one
Now you can nod back off ,,, nighty night

ian.e

iTrader: (1)

Came across my mates blob wrx on the hard shoulder with the bonnet up at 5.30 AM once going to work. A rod had punched a hole in the block by the knock sensor. You could see the bare crank pin through the hole, and the big end shell was sitting on top of the block. When we stripped it down it had thrown 2 rods, piston was like bits of rolled up shiny paper, 2 exhaust valve heads in the sump, and had split a cylinder bore all the way down. Nothing was salvageable.

When I asked how fast he said about 80. I called bullsh1t, and it's crept up to just over the ton now, but knowing him am sure it was more.