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Author Laws on driving a car with just a manifold.
dale87
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Registered: 19th Feb 06
Location: West Mids :)
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17th Jan 08 at 21:05   View User's Profile U2U Member Reply With Quote

I've rebuilt a c20xe to put in my corsa so will need the exhaust joined to the manifold when fitted. The first time I start it up I plan to do 20-30 easy miles then change the oil. The problem is I don't want to start the engine for the first time only to drive to the exhaust place which is only 2 mile away then switch it off and also I don't want to try and start it for the first time at the exhaust place. So is there any laws stopping me driving with just the manifold.
Robin
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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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17th Jan 08 at 21:07   View Garage View User's Profile U2U Member Reply With Quote

The exahust must not exit underneath the car, or be unsilenced, so you'd get pulled over and fined, possibly have the car impounded for being un-roadworthy.

Get the exhaust done, then do your 30 miles.
pow
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Registered: 11th Sep 06
Location: Hazlemere, Buckinghamshire
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17th Jan 08 at 21:08   View Garage View User's Profile U2U Member Reply With Quote

Noise and emissions I should think.
Twiggy
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Registered: 15th Oct 04
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17th Jan 08 at 21:08   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by pow
Noise and emissions I should think.
dale87
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Registered: 19th Feb 06
Location: West Mids :)
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17th Jan 08 at 21:09   View User's Profile U2U Member Reply With Quote

Cheers, just wondered if there were any laws against it.
Ian
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Registered: 28th Aug 99
Location: Liverpool
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17th Jan 08 at 21:16   View Garage View User's Profile U2U Member Reply With Quote

The noise is not the major issue but may be a rectification notice. I'm think though that the gas must exit at one single point at the car, not drift out from underneath, so you must have a pipe at the extremity, either side or rear.

I'm assuming that you can't trailer the car to the exhaust place?
Ian W
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Registered: 8th Nov 03
Location: Wirral, Merseyside
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17th Jan 08 at 21:33   View User's Profile U2U Member Reply With Quote

I had to drive 35 miles with nothing but a manifold when my CAT snapped on my corsa, wasn't the nicest drive but not much else I could do
Mike GSi
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Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
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17th Jan 08 at 21:34   View User's Profile U2U Member Reply With Quote

id be more worried about the flames coming out of it tbh.
Graham88
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Registered: 16th Apr 07
Location: South East Kent Drives: E46 M3
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17th Jan 08 at 21:34   View User's Profile U2U Member Reply With Quote

"It just happened Officer"

dale87
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Registered: 19th Feb 06
Location: West Mids :)
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17th Jan 08 at 21:36   View User's Profile U2U Member Reply With Quote

That what I was thinking ^^^^^^^^^^^^^^^^^
Dave A
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Registered: 10th Dec 03
Location: County Durham
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17th Jan 08 at 21:37   View User's Profile U2U Member Reply With Quote

if its only a few miles it wont cost much to get it trailored. the exhaust place may even have the facility to collect the car if you ask them.


If its a fully rebuilt engine than I wouldnt advise starting it without an exhaust anyway as any problems that there may be wont be apparent without being able to see the exhuat fumes to check for colour and the noise will drown out any tell tale signs of engine problems.
Robin
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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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17th Jan 08 at 21:37   View Garage View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Mike Z20LET
id be more worried about the flames coming out of it tbh.


The flames won't suffocate you.
Mike GSi
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Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
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17th Jan 08 at 21:39   View User's Profile U2U Member Reply With Quote

having flames that close to the rad isnt a very wise idea either really is it?
Robin
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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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17th Jan 08 at 21:40   View Garage View User's Profile U2U Member Reply With Quote

The manifold doesn't exit near the rad on a non turbo car, it comes out near the gear lever.
Graham88
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Registered: 16th Apr 07
Location: South East Kent Drives: E46 M3
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17th Jan 08 at 21:40   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Dave A
If its a fully rebuilt engine than I wouldnt advise starting it without an exhaust anyway as any problems that there may be wont be apparent without being able to see the exhuat fumes to check for colour and the noise will drown out any tell tale signs of engine problems.


Man has a point. I had tapping problems on my bike once rebuilt, didn't hear them for a while as I was running it with no exhaust as I didn't have it at that time (fucking loud to say the least). Fortunately the problem didn't get worse and I fixed it once I realised it was there (after the silencer was re-attached).
Mike GSi
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Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
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17th Jan 08 at 21:43   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Robin
The manifold doesn't exit near the rad on a non turbo car, it comes out near the gear lever.


Where does the downpipe go then?
Robin
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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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17th Jan 08 at 21:44   View Garage View User's Profile U2U Member Reply With Quote

It's a C20XE Mike, the downpipe and manifold will be one piece.
Mike GSi
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Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
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17th Jan 08 at 21:45   View User's Profile U2U Member Reply With Quote

oh right my bad
Mike GSi
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Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
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17th Jan 08 at 21:46   View User's Profile U2U Member Reply With Quote

anyway, i drove my clio to the exhaust centre without a backbox, the brakes then failoed because i boiled the brake fluid.
Daniel_Corsa
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Registered: 21st Apr 04
Location: Wigton, Cumbria
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17th Jan 08 at 21:46   View Garage View User's Profile U2U Member Reply With Quote

Happened to me coming back from a car meet, the centre section come away from the manifold, I drove it home, I was death for a week!

and felt like a chav




April '06' Corsasport Feature Car | Aug '08' Total Vauxhall Feature Car | Spring '09' Fast Car Feature Car
myke
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Registered: 7th Feb 01
Location: High Wycombe, Buckinghamshire
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18th Jan 08 at 00:42   View User's Profile U2U Member Reply With Quote

when my xe went in the old gsi i drove it to work and back for a week. Not far each way, but there's a school in between.
One morning a woman with a kid virtually jumped off the pavement into a fence and had her hands over the kids ears.
It wasn't THAT loud from inside the car.
ryan_fowler1985
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Registered: 27th Jul 05
Location: Trevethin, Torfaen
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18th Jan 08 at 02:45   View User's Profile U2U Member Reply With Quote

i drove mine around the block with decat and remus mid pipe no back box on an x14xe and that was too loud to drive far

 
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