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Author 1.5td dump valve?
breezy-1.4
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Registered: 9th Jun 07
Location: Wolver-tramp-ton
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3rd Feb 08 at 22:29   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by 16V_1600CS
dump valve on a diesel.......why?


imo, just like putting a dump valve "sound" attachment on the exhaust of an N/A car

1.5td are NOT fast, still sound like a tractor, why would you want to make it worse with:

tractor
tractor
tractor
tractor
Ptchssssssssssssssssss
tractor
tractor
tractor




not saying that their fast i just want a car as a run around thats good and fuel and is reasonably powered so im not flooring it and going 40mph an the 1.5td seems perfect for what im aloud to have and need from it while im completing my project
breezy-1.4
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Registered: 9th Jun 07
Location: Wolver-tramp-ton
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3rd Feb 08 at 22:30   View User's Profile U2U Member Reply With Quote

sorry im on my brothers account lol
ChrisBoom
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Registered: 6th Dec 06
Location: Highland
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3rd Feb 08 at 22:31   View User's Profile U2U Member Reply With Quote

A 306 D turbo will be faster and cheaper to insure.
breezy-1.4
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Registered: 9th Jun 07
Location: Wolver-tramp-ton
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3rd Feb 08 at 22:46   View User's Profile U2U Member Reply With Quote

what engine td would it be 1.5?
ChrisBoom
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Registered: 6th Dec 06
Location: Highland
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3rd Feb 08 at 22:49   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by breezy-1.4
what engine td would it be 1.5?


306 is a 1.9

Im £30 less to insure one that I was on my 1.2 8v corsa.

92bhp standard, 115-120bhp odd when the boost & fueling is cranked up. (Apparently)

Ill be getting a dump valve for it too, oh dear, im such a chav
Hamish
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Registered: 4th Apr 05
Location: Ashtead, Surrey Drives: 100bhp Mint with Hole
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3rd Feb 08 at 22:52   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by ChrisBoom
Ill be getting a dump valve for it too, oh dear, im such a chav

why?

they sound epicly awful on diesel
breezy-1.4
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Registered: 9th Jun 07
Location: Wolver-tramp-ton
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3rd Feb 08 at 22:53   View User's Profile U2U Member Reply With Quote

haha every 1 like abit of Ptchssssssssssssssssss so its a 1.9td for £30 less then a 1.2 8v corsa :O:O how many years no claims u got?
BarnshaW
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Registered: 25th Oct 06
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3rd Feb 08 at 22:55   View User's Profile U2U Member Reply With Quote

theres a golf derv near me with a DV on and it sounds horrendous. it just does not have the speed or presence to warrant it. people just laugh at it
ChrisBoom
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Registered: 6th Dec 06
Location: Highland
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4th Feb 08 at 00:11   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Hamish
quote:
Originally posted by ChrisBoom
Ill be getting a dump valve for it too, oh dear, im such a chav

why?

they sound epicly awful on diesel


I dont know, just always liked them, oh, the 17 year old in me is here
Jay
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Registered: 26th Sep 04
Location: Liverpool
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4th Feb 08 at 00:32   View User's Profile U2U Member Reply With Quote

It doesnt sound like a dump valve on a petrol car though, as I said it sounds like a bus (the air brakes)
DAZ1985
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Registered: 3rd Sep 06
Location: Scholar Green, Cheshire
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4th Feb 08 at 12:53   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by BeArDy
.....from what i remember is worked of the brake vaccum.


that would be correct with a solinoid piped on it which also needs to be fail safe....

....as in if the switch fails the valve is normally closed so you still have brakes if it ever fails
DAZ1985
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Registered: 3rd Sep 06
Location: Scholar Green, Cheshire
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4th Feb 08 at 12:55   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by ChrisBoom
quote:
Originally posted by breezy-1.4
what engine td would it be 1.5?


306 is a 1.9

Im £30 less to insure one that I was on my 1.2 8v corsa.

92bhp standard, 115-120bhp odd when the boost & fueling is cranked up. (Apparently)

Ill be getting a dump valve for it too, oh dear, im such a chav


306 d turbo is a group 5 ins iirc
adam54
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Registered: 17th Jan 08
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4th Feb 08 at 15:45   View User's Profile U2U Member Reply With Quote



306 is a 1.9

Im £30 less to insure one that I was on my 1.2 8v corsa.

92bhp standard, 115-120bhp odd when the boost & fueling is cranked up. (Apparently)

Ill be getting a dump valve for it too, oh dear, im such a chav


306 d turbo is a group 5 ins iirc




derv doctor in ashbourne do this service at a decent price, took my mate down with his 306 dt. went quite well for an old skool diesel.
Adam
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Registered: 1st May 01
Location: Hurstbourne Tarrant
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4th Feb 08 at 18:50   View User's Profile U2U Member Reply With Quote

No point at all on a diesel.

Petrol car has a butterfly valve in the throttle that coses when you change gear so there is a build up of pressure that gets vented through the dump valve.

a diesel does not have this vavle and sucks in air all the time so there is no pressure build up to activate the dump valve.

Intercooler does work quite nicely tho!
Adam
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Registered: 1st May 01
Location: Hurstbourne Tarrant
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4th Feb 08 at 18:51   View User's Profile U2U Member Reply With Quote

with the 1.5 TD corsa you can get it to 100bhp with just a bleed valve and adjusting the fueling.
Adam
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Registered: 1st May 01
Location: Hurstbourne Tarrant
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4th Feb 08 at 18:52   View User's Profile U2U Member Reply With Quote

See here for instructions: http://corsasport.co.uk/board/viewthread.php?tid=35931

Witnessed Kris_TD's car myself getting 99bhp on the rollers and 120ish lb/ft
richc
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Registered: 24th Mar 07
Location: Ilkeston
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4th Feb 08 at 18:55   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by ChrisBoom
quote:
Originally posted by breezy-1.4
what engine td would it be 1.5?


306 is a 1.9

Im £30 less to insure one that I was on my 1.2 8v corsa.

92bhp standard, 115-120bhp odd when the boost & fueling is cranked up. (Apparently)

Ill be getting a dump valve for it too, oh dear, im such a chav


Never bin that much. I know a lad with one, had fuel and boost turned up. Boost was 18psi and had KnN filter and stainless exhaust with decat and it made 108bhp!

I think a youth on the 306 site has done the same with same power to boot!
davcohen
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Registered: 1st Nov 03
Location: North London
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4th Feb 08 at 19:43   View User's Profile U2U Member Reply With Quote

can agree that the dump valve is a stupid idea and kind of pointless, personally i would get an air filter bolted much closer to the turbo and see how loud the induction sound....

How many of you guys have actually been out in/ driven a modded 1.5td, they arent slow by any means
Adam
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Registered: 1st May 01
Location: Hurstbourne Tarrant
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4th Feb 08 at 21:23   View User's Profile U2U Member Reply With Quote

had a 1.5D which became a 1.5 TD then a 1.7TDi
ChrisBoom
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Registered: 6th Dec 06
Location: Highland
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4th Feb 08 at 21:27   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by DAZ1985
quote:
Originally posted by BeArDy
.....from what i remember is worked of the brake vaccum.


that would be correct with a solinoid piped on it which also needs to be fail safe....

....as in if the switch fails the valve is normally closed so you still have brakes if it ever fails


Yeah, a 106 derv EGR valve is used.

Looks like a simple enough set up.
John
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Registered: 30th Jun 03
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4th Feb 08 at 21:28   View User's Profile U2U Member Reply With Quote

EVERYBODY you drive by will be laughing at you.

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