Shooting sparks @ 140MPH

ChrisGTL · Jan 4, 2010

I had chance to drive my ARL Leon at full bore over the holidays, loved seeing the performance above 100MPH

Anyhow, as the sun was setting I took my car to 140MPH (prolly more like 130 on a GPS) and I could see sparks falling off the back of my car through the drivers side wing mirror.

The sparks were flying off behind me in little short bursts, it did it for about 4 seconds before I backed off and they stopped....

Can't see anything wrong, apart from my MPG readings lol. Could this have been carbon cooking off from the manifold and shooting out of my exhaust?

muddyboots · Jan 4, 2010

ChrisGTL said:
I had chance to drive my ARL Leon at full bore over the holidays, loved seeing the performance above 100MPH

Anyhow, as the sun was setting I took my car to 140MPH (prolly more like 130 on a GPS) and I could see sparks falling off the back of my car through the drivers side wing mirror.

The sparks were flying off behind me in little short bursts, it did it for about 4 seconds before I backed off and they stopped....

Can't see anything wrong, apart from my MPG readings lol. Could this have been carbon cooking off from the manifold and shooting out of my exhaust?

I reckon so - have heard of others getting sparks out the back before.

Or maybe it's just glowing bits of turbo blades breaking off

devonmikeyboy · Jan 4, 2010

It`s just the soot/carbon blowing out the exhaust, no need to worry.

ToledoNorthEat · Jan 4, 2010

Have you ever had it at that speed before? Bet your MPG was well into single figures! ^.^

UncleFester · Jan 4, 2010

Had this on mine the first time I did sustained high speed cruising. MPG surprisingly was pretty good, it didn't drop below about 30 to 35mpg .... it's how you get to the speed as much as the speed you end up doing.

lukecupra2001 · Jan 5, 2010

does it feel any better for a blast at that speed after it cleared all the crap out.i mite have to take me grandmas golf out for a blast clear it out abit, it fels abit clogged up

MJ · Jan 5, 2010

One of our lads had a brand new ibiza cupra tdi and at some stage decided to take it for a "spirited" drive and the same happend with that. Afterwards it still ran as normal and sold a couple of weeks later with no problem. We still see it now and again. Good old diesels.

ChrisGTL · Jan 5, 2010

I had done 250 miles to get to the place where i was able to screw the engine. So i was doing around 48mpg, after the high speeds i was down to 44mpg.

Car felt completely fine at 140mph, even round corners........and thats without rear ARB!

Cant wait to do it again, next time i'll hold it there and blast some more dirt out

ChrisGTL · Jan 5, 2010

ToledoNorthEat said:
Have you ever had it at that speed before? Bet your MPG was well into single figures! ^.^

I had it at 115mph before but nowt above that.......i feel the need, the need for speed....owwwwww

Mike FR+ · Jan 6, 2010

I hope it was on a private stretch of road Chris lol.

The sparks are just really hot bits of carbon and soot.

jatkin · Jan 10, 2010

Same thing happened to me a few weeks ago whilst topping 150. Shat me pants and thought i'd blown it up at the time!
Took me a few head scratches on the hard shoulder to work out it was probably all the cack in the exhaust burning up!

lukecupra2001 · Jan 10, 2010

150??what you drive and how long was the road?

must be along driveway you got to do that speed :lol:

Deleted member 13581 · Jan 10, 2010

Sounds like a good stretch of road.

Witnessed this sitting behind a Ibiza Cupra TDi before. Looked worrying, but then i found out Carbon/Soot deposit is normal when it hasnt had a good blow out for a while.

jatkin · Jan 11, 2010

lukecupra2001 said:
150??what you drive and how long was the road?

must be along driveway you got to do that speed

one of them clapped out glorified taxi's, err otherwise known as a PD160 Mk4 Ibiza with just a few minor alterations here and there...

Ant FR · Jan 12, 2010

My cupra Tdi did the same down the autobahn on the way to the ring. Mad how quick they are ovr 100.

leonrob · Jan 20, 2010

devonmikeyboy said:
It`s just the soot/carbon blowing out the exhaust, no need to worry.

could also be pieces of the baffle box getting ignited and fired out the exaust

lukecupra2001 · Jan 20, 2010

haha yay cheap decat mod!just drive everywer flat out untill its all gone! :lol:

leonrob · Jan 22, 2010

baffle box not cat
the cat will be fine because its made from metal

baffle boxes have mineral wool inside

Crashapollo · Feb 9, 2010

I've noticed this happen on my pd160 Ibiza before when ive been at full speed

Andrewcupra TDI · Feb 10, 2010

how can you see this , in rear view , or another car behind you ??

happened on monday night i was pacing myself against a golf 150 , he had a dual exit sooted up exhaust , and was shooting what looked like fag buts at me , (you know the look when fagash lil throws her ends out as your waiting to overtake her )

never the less he pulled in for me to pass him , whether or not he got the same in return i dont know , but he was a few lengths behind me by then

Shooting sparks @ 140MPH

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