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Oct 18, 2012 17:57:13 GMT
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Anyone know the legalities? It'd be straight from a turbo and routed through the inner and outer wing. Opening a window a no-no? Mot impossible to get through? Boys in blue take a disliking to it? Here are some examples:    |
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Oct 18, 2012 18:00:44 GMT
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Well, the mclaren mercedes slr has them, so it must be legal?
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Oct 18, 2012 18:20:11 GMT
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I can image fumes being prone to being sucked in if the door/ window seals are less than perfect or if you open a window...having said that it never happened with the tailgate window on the Holden when that was down so its probably all in my mind...
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Oct 18, 2012 18:20:53 GMT
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I think your only real problem is gases entering the cabin in terms of legality, but that would be a Construction and Use issue rather than anything else.
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...proper medallion man chest wig motoring. |
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bl1300
Posted a lot
Posts: 1,678
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Oct 18, 2012 18:38:02 GMT
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1. gasses getting into the cabin and killing the driver would be a concern this obviously will depend on the cars shape and exhaust positioning. Think carefully about that one you don't want to being fumigated whilst driving its not pleasant.
2. Noise levels, make sure its adequoutly silenced so as not to attract the boys in blue or curse word of your MOT tester.
3. Make sure no ones going to get burnt by it.
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Current fleet.
1967 DAF 44
1974 VW Beetle 1303s
1975 Triumph Spitfire MkIV
1988 VW LT45 Beavertail
1998 Volvo V70 2.5
1959 Fordson Dexta
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marcmoss
Club Retro Rides Member
Posts: 122
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Oct 18, 2012 18:51:42 GMT
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My starlet has a side exit straight off of the turbo 180degrees round underneath and straight out of the bumper...
It's a 1989 car so no cat required but it does have a silencer so it's legal!
The flame problem is quite funny and It does scare the &@£ out of people though
And the noise on boost is horrible if u don't like loud
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Oct 18, 2012 19:01:25 GMT
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Hmmm, well it currently has a straight through system with a cherry bomb in the middle so actual noise levels won't bother me (neighbours maybe..) but quality of noise might - I hate the tractor type noise you sometimes get! However - fumes in cabin I won't be so happy with, anyone got a wing exit that can shed some experienced light on the issue? By the way, there would be no box - it'd be straight from turbo and out the wing!
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bl1300
Posted a lot
Posts: 1,678
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Oct 18, 2012 19:14:09 GMT
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then that is going to be insanely loud. Id also be worried that the lack of back pressure may cause the engine to run badly.
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Current fleet.
1967 DAF 44
1974 VW Beetle 1303s
1975 Triumph Spitfire MkIV
1988 VW LT45 Beavertail
1998 Volvo V70 2.5
1959 Fordson Dexta
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Oct 18, 2012 19:27:22 GMT
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then that is going to be insanely loud. Id also be worried that the lack of back pressure may cause the engine to run badly. It will be loud but the turbo acts as a silencer so not as bad as a N/A car. Back pressure isn't really an issue on Turbo'ed cars - the faster the gases exit, the better. |
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'03 Porsche 996 C2 3.6 - Sort of Retro
'84 Porsche 924 - Definitely Retro!
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Dez
Club Retro Rides Member
And I won't sit down. And I won't shut up. And most of all I will not grow up.
Posts: 11,740
Club RR Member Number: 34
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Wing exit exhaustDez
@dez
Club Retro Rides Member 34
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Oct 18, 2012 19:42:06 GMT
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it wont be that loud at all. especially not with a turbo. as said, they're actually a better silence than a silencer, as they chop up the sound waves. for reference, this is a 18" bit of pipe bolted to a turned-upside down turbo elbow which resulted in a 1" gap either side of the rotor vanes, so was blowing, lots! on a 2.8 turbo diesel. you can easily hold a conversation with someone stood over the engine at each side, its louder when revved up, but certianly no more than a lot of local 1.8-2.0 n/a cars with stainless aftermarket J exhausts.   |
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kevfromwales
Posted a lot
the conrod's REALLY out the block now!
Posts: 3,909
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Oct 18, 2012 20:17:22 GMT
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^^agreed, when I put the turbo'd iveco in the truck, I ran it about with no exhaust at all, and it was fine - lots of turbo whistle, but hey
on my next turbo dizzler the exhaust will be getting removed, and it'll have a similar pipe as discussed above - somewhere out of the trailing edge of the wing
: elk might have some insight to this, as he runs a pipe out of the bumper on the isuzu'd cav
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Almost on the road: b11 sunny breadvan, e36 tds, 325i skidcar,
nearly there: ford f250 tathauler, suzuki alto, u11 bluey
not for a while: ford pop, 32 rails,
not in this lifetime: ruby, '29 hillman
''unfortanatly I'm quite old and scruffy and in need of some loving. my drive shaft needs a new boot....''
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stealthstylz
Club Retro Rides Member
Posts: 14,871
Club RR Member Number: 174
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Wing exit exhauststealthstylz
@stealthstylz
Club Retro Rides Member 174
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Oct 18, 2012 20:59:00 GMT
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On a turbo car its not as noisy as you'd think. The drag cars up there ^^^usually still run a very small silencer though, as one is required for the rules.
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Oct 18, 2012 21:20:38 GMT
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Cool, I think the things that concern me the most are the mot/police possible problems and the whole 'fumes into cab' possibilities? In terms of looking silly... I don't think so  I think what you mean is, looking AWESOME!!! I do wonder if it'd be ok to have the window down.. Think that probably worries me more than the legalities to be honest. Guess there's only one sure way to find out! |
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Those vids are ace Dez  I would be more than happy with extra turbo whistle too just concerned about fumes entering cab but unthinking if it is effectively just behind the front wheel slightly pointing downwards it 'shouldn't' be an issue? I could do with hearing from someone who's done it just to confirm it'd be ok - seem to be plenty of road cars on google with the treatment though.  |
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Oct 19, 2012 10:14:07 GMT
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Volvo back as my main squeeze, more boost and some interior goodies on the way.
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Oct 19, 2012 11:05:39 GMT
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Might pass MOT but that doesen't make it legal. Would need to be flush with body so no protrusions unless very rounded edges to avoid getting ticket for dangerous part (liable to hurt pedestrian in an accident).
Paul H
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those examples are all well & good but aren't in the uk.
exhausts aren't supposed to protured more than i think an a couple of inchs under c & u
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theres more to life than mpg & to much power is just enough.
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stealthstylz
Club Retro Rides Member
Posts: 14,871
Club RR Member Number: 174
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Wing exit exhauststealthstylz
@stealthstylz
Club Retro Rides Member 174
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Nothing in construction & use about how far an exhaust should stick out as far as i'm aware. Can't see anything in there anyway, nor about where it exits/heat etc
Matt
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Cheers mate - it all boils down to passenger safety then really - it wouldn't be protuding, maybe just the very edge about 10mm or so so it doesn't fill the wing with smoke or blow the underseal off with flames and heat! I'd just hate to go to all the trouble cutting bloomin big holes and butchering/welding up a perfectly good apexi turbo elbow to find that the passenger can't open their window through fear of being gassed :/
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I think what you mean is, looking AWESOME!!!
I would be more than happy with extra turbo whistle too 
