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justa6
Fordmods Parts Gopher
Posts: 59
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Location: lismore NSW, Australia
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 Posted: Mon Jul 21, 2008 8:08 pm Post subject: wastegate plumbing |
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what are your thought's on having the wastegate plumbed straight off your turbo exhaust housing. it alway's use to hold 14 perfectly and go straight to it, but now running more and a different plenum (which shouldn't make any difference as my boost reference line is straight after the turbo) i have a 7psi spring to run 17 and it sort of starts at 12 and end's up at 17.
i thought it might be the way it's plumbed off the manifold, not getting enough exhaust flow. hence the idea of putting it straight off the housing. just funny how it use to work really well. your thought's.
marty
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fritzz
Fordmods - Getting Side Ways
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| Posted: Mon Jul 21, 2008 8:54 pm Post subject: |
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yes strait of the housing work very well.
has your tune changed?
has exhaust changed?
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Dansedgli
Fordmods - Getting Side Ways
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| Posted: Mon Jul 21, 2008 8:55 pm Post subject: |
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Its the best way to go as far as boost control goes if you dont mind cutting into your housing.
ebs_4l, 6boost and ETM all do it because it works the best.
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justa6
Fordmods Parts Gopher
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| Posted: Mon Jul 21, 2008 9:06 pm Post subject: |
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| the only thing with the exhaust is the cat is a little more see through, going straight off the housing is the easiest way with the room available. would it upset the flow to the turbo much or like you say alot of quick car's do it
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DA22LE
Fordmods - Smokin em up
Age:42
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| Posted: Wed Jul 23, 2008 7:05 pm Post subject: |
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| Dansedgli wrote: | Its the best way to go as far as boost control goes if you dont mind cutting into your housing.
ebs_4l, 6boost and ETM all do it because it works the best. |
But if you have the room......the next best thing...IMHO
Some housings are already cast with flange for wastegate, but i think they are only racing versions.....but i could be wrong...
Cheers
 Daz
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justa6
Fordmods Parts Gopher
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| Posted: Wed Jul 23, 2008 7:54 pm Post subject: |
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that's pretty much what i've got. and after reading ebs 4l , he stuffed around, plumbed 2 into 1 sort of thing and still didn't work, so it'll probably go on the housing.
is your's running daz, does it work well
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DA22LE
Fordmods - Smokin em up
Age:42
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| Posted: Wed Jul 23, 2008 8:39 pm Post subject: |
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| justa6 wrote: | that's pretty much what i've got. and after reading ebs 4l , he stuffed around, plumbed 2 into 1 sort of thing and still didn't work, so it'll probably go on the housing.
is your's running daz, does it work well |
Yeah mate, but had an ignition and timing issue which has been sorted and i am waiting for the call to come and pick up the car. I am expecting the wastegate to work properly. Stinger is controlling the boost, which has reached 14 psi at 4000rpm.
Cheers
Daz
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justa6
Fordmods Parts Gopher
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| Posted: Wed Jul 23, 2008 8:48 pm Post subject: |
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| what turbo is it , seem's a bit late
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DA22LE
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| Posted: Thu Jul 24, 2008 7:44 pm Post subject: |
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| justa6 wrote: | | what turbo is it , seem's a bit late |
T70.....a bit late???not sure what you mean, starts to boost at 2000rpm, by 4000, you're definately in the back of the seat....lol
Daz 
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justa6
Fordmods Parts Gopher
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| Posted: Thu Jul 24, 2008 9:38 pm Post subject: |
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| mine is at full boost by 2200. your's is full by 4000. no worries just a bit different
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fritzz
Fordmods - Getting Side Ways
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| Posted: Thu Jul 24, 2008 9:47 pm Post subject: |
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yes that is pretty late for a 4l with a t3 turbo.
i would expect full boost at 4000 rpm with a 900hp turbo.
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EBXR8380
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| Posted: Thu Jul 24, 2008 10:51 pm Post subject: |
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Sounds like the trim on exhaust wheel needs changing to tighter / lower trim ??
What type of wastegate is that ??
I have heard bad bad things about cheap E bay w/gates etc...
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justa6
Fordmods Parts Gopher
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| Posted: Fri Jul 25, 2008 7:00 am Post subject: |
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| mine's a 48mm turbosmart progate, not sure what daz has
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justa6
Fordmods Parts Gopher
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| Posted: Fri Jul 25, 2008 6:04 pm Post subject: |
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| yeah that's the go, if ebs 4l is around what's the best way to go around welding it. use cast bend's, pre heat the housing up, tig it then let it cool slowly. almost post heat. any particular filler.
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DA22LE
Fordmods - Smokin em up
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| Posted: Sat Jul 26, 2008 9:41 am Post subject: |
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| justa6 wrote: | | mine's a 48mm turbosmart progate, not sure what daz has |
Mine is the "proverbial ebay gate". But i modified it slightly, to make sure it opens fully. They are so simple in their construction, that if i had the time i would have made my own. Only has a 6 psi spring in it, and it seems to be working ok. Stinger is doing a s**t job of controllng boost so I have scored a ProfecB SpecII, that i am putting in this weekend.
For interests sake, it made 227rwkw.............
Cheers
Daz
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Dansedgli
Fordmods - Getting Side Ways
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| Posted: Sat Jul 26, 2008 10:23 am Post subject: |
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| Through a patrol driveline thats pretty impressive!!
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DA22LE
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| Posted: Sat Jul 26, 2008 2:49 pm Post subject: |
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| Dansedgli wrote: | | Through a patrol driveline thats pretty impressive!! |
Yes!!.....it is isnt it....prolly bout 30% or more loss, but i'm not complaining........
Daz
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