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Mar 24, 2016 15:17:31 GMT
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I'm really tempted to pull the remaining ramair back out of the trash, grab one of the ITG socks off my car, rig up a video camera, and put a match to both of them to see what happens.
Only thing preventing me is that I don't have a spare ITG sock and after spending £80 on the ramairs I can't afford to replace them either.
My suspicion though is that the ramair would burn quickly, and the ITG wouldn't even start to burn.
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LowStandards
Club Retro Rides Member
Bigging Up The Sum Sum Man Since '99
Posts: 2,643
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Mar 24, 2016 15:27:07 GMT
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If you do this, be sure to soak your carbs in carb cleaner and leave the itg ones on for 4 days first...
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Mar 24, 2016 15:35:21 GMT
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Just called ITG and asked them about fire proofing and the foam they use.
Very helpful and advised me that if I'm going to order ITGs, to talk to them and they will provide all the info I need to order the right filters for my use, and he said specifically they offer additional fire resistance above standard for cars that are likely to spit back through the carbs.
The standard filter construction though has a layer of fire suppressing material and the filters are designed and fabricated in order to damp down any fire that might reach them. He said there is a time limit to how long the filter material should remain alight before it extinguishes and they are well within that limit. I explained what had happened and why I had chosen ramair filters (cost) he said (quite diplomatically, I felt) "Ramair do use a completely different kind of foam to ours".
So the standard filters have a layer of suppressive material, and for performance/track cars, or just plain cranky old bastards like mine, an additional layer of fire resistance is usually incorporated to order.
So I guess cutting costs is also cutting corners, and I should have spent my money on the higher priced ITG option.
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Mar 24, 2016 15:50:41 GMT
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So I guess cutting costs is also cutting corners, and I should have spent my money on the higher priced ITG option. Don't kick yourself to hard, hindsight is a wonderful thing. If we're all honest we've all bought something due to the price. And also if we're all being honest here,the flammability of air filter materials has probably never even crossed our minds ...... Thats what manufacturers r&d is for surely??
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eternaloptimist
Posted a lot
Too many projects, not enough time or space...
Posts: 2,578
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Mar 24, 2016 16:41:57 GMT
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I think a video clip showing how the remaining filter reacts to being flashed over with a flame might be quite interesting.
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XC70, VW split screen crew cab, Standard Ten
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Mar 24, 2016 16:54:38 GMT
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I think a video clip showing how the remaining filter reacts to being flashed over with a flame might be quite interesting. Yes, lets destroy his £80 completely.
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Mar 24, 2016 18:25:52 GMT
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I'd definitely get some proper itg filters on rather than socks, as rather than catching fire, those tend to get ingested by the engine instead, as well as being massively restrictive, making the engine even more likely to spit back.
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Mar 24, 2016 19:14:25 GMT
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They can also come off and jam the throttle open . Pretty dangerous .
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v8ian
Posted a lot
Posts: 3,763
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Mar 24, 2016 20:17:00 GMT
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Years ago I had an Edelbrock heart shaped filter on my V8 zodiac, fitted a NEW Holley which threw up a bit of running issues with backfires etc, No matter what I did the running issues got worse, Tuned out the backfiring was causing an issue with the foam filter melting, dropping down onto the carbs ad filling the small open air parts of the carb, which, at the end of the day I ended up with buying another new carb as the filter had totally gummed up my brand new carb with melted plastic.
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Atmo V8 Power . No slicks , No gas + No bits missing . Doing it in style. Austin A35van, very different------- but still doing it in style, going to be a funmoble
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vanpeebles
Part of things
I am eastbound in pursuit of a white Lamborghini, this is not a recording.
Posts: 978
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Mar 24, 2016 20:30:01 GMT
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Blimey! I bet that was an interesting minute or so when it caught fire there Tim! I think I'll stick with my K&Ns
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Mar 24, 2016 21:22:21 GMT
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Interesting doesn't begin to describe it. I live on a small street and I was working in the street, in full view of everyone. When I saw the smoke billowing out I didn't immediately feel any great sense of panic. I don't know why, but I instantly assumed it was going to be something entirely non-serious (ridiculous really as it was a thick column of thick grey smoke). But I jumped out and round the door and there was literally a bonfire going on by then. Massive red flames licking up and making that angry roaring sound of a fire that will not give up until its work is done.
I shouted a bunch of swearwords that made no sense, and did a strange kind of dance as I decided simultaneously to run for my extinguisher, run to the house for a cup of water, run off up the road for safety, run to the car to switch off the fuel pump, or run round in circles in blind panic. I ran for the fire extinguisher.
My portable fire extinguisher is now about two years old. Big mistake. It wouldn't start working. So I was stood there next to a potential explosion, shouting "FU*KSHI*BOLLO*KS" and wrenching the handle on a tiny little fire extinguisher, and gazing in awe as the filter dripped flaming tar onto my fuel lines. Then I had the bright idea of trying to unclip the filter from the backplate... which was really great because it wouldn't budge, so I merely burned deep criss-cross shapes into the tip of each finger trying to wrench it off... while my fuel lines burned merrily below my face. Then, fairly swiftly, it all died down and went out.
and just as it all died down and went out, my fire extinguisher went "OH! YOU MEAN LIKE THIS?" and sprayed everything with white powder.
I say 'everything' It actually went over everything except my car. It shot me in the face, covered my clothes, the pavement, the wall, my toolbox... but not the car.
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Mar 24, 2016 21:31:13 GMT
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Let me just caveat that "like".
It's neither that I like the fact your filter went up in flames, nor that I like your extinguisher wasn't feeling co-operative. But the way you tell the tale sets a little picture in my mind, and that I do Like!
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vanpeebles
Part of things
I am eastbound in pursuit of a white Lamborghini, this is not a recording.
Posts: 978
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Mar 24, 2016 21:34:48 GMT
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What's all that fuss outside dear? Nothing really, just that lad up the road trying to set himself on fire.
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Mar 24, 2016 21:35:40 GMT
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Lol thats pretty much what i did when my MK2 Escort went up in flames,i lost the car though despite a steady stream of people pulling up to have there moment of glory with tiny fire extinguishers. That was air filter related too,but my own daft fault for forgetting to refasten the plastic filter pan after a service and it fell off onto the exhaust manifold.
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Jul 20, 2016 16:44:25 GMT
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no foam or k&n filter should be run without the special oils ,,they don't filter the curse word out without it and stop them catching fire ,,,ive run em on rally cars for years and never run without oiling them first ,,and never had any catch fire through backfires
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Iain
Part of things
Posts: 351
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Jul 20, 2016 22:11:42 GMT
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The bloke that set up my bike carbs expressed a dislike for foam filters in case of back fires. He does grassers etc all running carbs. So suspect he's seen it before. Much preferred the plastic topped K&N clamp down type.
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Jul 21, 2016 20:49:18 GMT
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I don't think there would have been much residual cleaner vapour from the previous start up. I just think that the backfire took enough fuel with it to soak the filter and the flame that obviously followed did the rest! Didnt see if you had oiled the filter but petrol has a low flash point and oil quite high, but everything has a point where it will burn!
And anyone who has a dry powder extinguisher, go out and do yourself a favour and check it. If it has a gauge, make sure its in the green and turn the extinguisher upside down a few times and repeat this regularly. All the best, Geoff.
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Last Edit: Jul 21, 2016 20:51:03 GMT by mondeogrd
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Jun 11, 2017 17:15:23 GMT
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I used the ITG JC100 on my Healey and look what happened yesterday after a backfire from one of the trumpets. However, it appeared not to be the source of the fire. A hose of the coolingsystem came loose first and expelled waterless cooling liquid over the exhaustmanifold creating a dense fog. This mist of waterless cooling liquid was the fuel for the fire that was lightened by a backfire from the inlet, because the engine choked in the mist. This liquid mainly consist of glycol and is about as flammable as kerosine with a flashpoint of only 120 degrees Celcius. Nice combination. The foam filter has contributed to the fire but was not the cause. .
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Last Edit: Jun 17, 2017 3:59:09 GMT by lexveen: New information that changed the initial message
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rude
Part of things
Posts: 537
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Jun 12, 2017 11:53:41 GMT
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I've replaced my pipercross back to OEM. It was letting in an insane amount of dirt and I had a backfire once but it got caught in the AFM and blew that up. The filter always seemed oily, cheap and always got large objects stuck in it... I can imagine a fag butt getting sucked up and caught in the mesh, reading this just adds weight to my reason to out it. I tried it... not a fan anymore.
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1986 Haunted BMW E24 635CSi 1999 Povo spec BMW E36 1.8i Touring Work Hack 2001 Petrol annihilating Discovery V8 2000 Jaguar S Type 3.0 V6 ~NEW~
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Jun 13, 2017 13:56:05 GMT
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I have also had foam filters catch fire on a motorbike. I changed them to either pipercross or itg afterwards ( was good few years ago).
And regarding the fire extingishers, never a bad idea to get it serviced once a year (or do it yourself) check gauge is working, pull pin, weigh it and make sure the powder moves inside. As you found out, you don't realise it doesnt work til its too late. Minimum of 1kg too, the areosol ones are just wibblepoo.
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