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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » Wastegate for a Turbo Diesel ?


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Author Wastegate for a Turbo Diesel ?
Mikeboy
Member
Registered: 12th Jun 02
Location: Wiltshire             Drives: SXi DTi
User status: Offline
2nd May 03 at 13:25   View User's Profile U2U Member Reply With Quote
- Anyone done it ?

- Are they expensive ?

- Can you get em for the Corsa DTi ?

- And would it make a good improvement on pulling away at lowish revs ?

Thanks
Kris TD
Member
Registered: 25th Mar 02
Location: Ware, Hertfordshire
User status: Offline
2nd May 03 at 16:48   View User's Profile U2U Member Reply With Quote
erm, all turbos have a wastegate actuator.

its what limits the boost level so you dont blow the engine.

the only way to improve your performance is too chip it and bigger intercooler.
Tam the diesel man
Member
Registered: 31st Jul 01
Location: Portsmouth
User status: Offline
2nd May 03 at 17:55   View User's Profile U2U Member Reply With Quote
heard some guy had an uprated acutator on there nova td. suposed to sound the mutts nutts
Mikeboy
Member
Registered: 12th Jun 02
Location: Wiltshire             Drives: SXi DTi
User status: Offline
2nd May 03 at 19:04   View User's Profile U2U Member Reply With Quote
ahh ! Thanks.

I was confused there then !

So does the standard wastegate fitted actually like store the pressure, and then send it through when pulling away at low revs then?
Kris TD
Member
Registered: 25th Mar 02
Location: Ware, Hertfordshire
User status: Offline
3rd May 03 at 17:19   View User's Profile U2U Member Reply With Quote
no, it stops the turbo overboosting. as standard its set at 0.67 bar, basically it dumps excess turbo boost into the atmosphere so you dont blow up the engine. you use a bleed valve to trick the wastegate that the turbo is running lower boost than it is.
Mikeboy
Member
Registered: 12th Jun 02
Location: Wiltshire             Drives: SXi DTi
User status: Offline
3rd May 03 at 23:57   View User's Profile U2U Member Reply With Quote
ahhhh , I see now !

Thanks Kris

 
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