waste gate pipe

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IanS13
Posts: 254
Joined: Sun May 09, 2004 9:27 am

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hello guys were is the best place to rout the waste gate pipe back into the exhaust pipe, am tired of the noise and the smell. any help, i read some post of boost spike after routing it into the pipe.

does any one have any idea how much power is lost by doing this.
Modified by IanS13 at 2:38 AM 12/29/2004


Redline240
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Joined: Sun Dec 08, 2002 1:34 pm
Car: 95 240sx

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Anywhere on the downpipe...anywhere on the exhaust really...and you probaly won't even notice the loss...is it vented in the engine bay now or under the drivers seat? If its under the hood, then try routing it back by the cat or test pipe and put a gutted lawmower muffler on it...

Redline

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MaxType 240
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Car: 1995 S14
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Anywhere that won't disturb the natural flow, no crazy entry angles - 30 degrees or less is best. Here's mine:

Jesse

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ArticDragon192
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Joined: Fri Sep 10, 2004 5:35 pm
Car: 91 Z32 2+2

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^ Thats good stuff. Anywhere down the exhaust, far from the turbine outlet and before the cat. Like MaxType said, no crazy entry angles. It will disturb the flow of exhaust and cause some back pressure and lower performance.

IanS13
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cool thanks one more thing does it need to have a flex pipe in it

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MaxType 240
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It'll be easier to install w/ flex pipe. Remember, unless your putting on flanges onto the DP, your WG pipe will become one w/ the DP. It'll be one piece like mine. It cuts down on manuever room, remember too.

Jesse

IanS13
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well am going to flange it so it bolts into the down pipe. for easy removal.

daniel240
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i had a muffler shop do mine, they only charged me $35 and it looks nice. they used a slip-fit where it connects to the dp so i can just slide it off if i need to remove it. it joined to the dp right where the bend is at about a 20deg. angle.

IanS13
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Joined: Sun May 09, 2004 9:27 am

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daniel240 wrote:i had a muffler shop do mine, they only charged me $35 and it looks nice. they used a slip-fit where it connects to the dp so i can just slide it off if i need to remove it. it joined to the dp right where the bend is at about a 20deg. angle.
what turbo setup do you have , do you have blow trough maf or pull trough, i want to change my setup to safc + 370cc injectors.

daniel240
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im using a jgs log manifold with a garret t3/t4 turbo, tial 35mm wastegate. i was using a blow through mafs but i had bad luck with that. right now im running the mafs before the turbo with a safc and 370's

IanS13
Posts: 254
Joined: Sun May 09, 2004 9:27 am

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well i got the waste gate routed into the exhaust pipe on monday and I like it a lot more it's so freakin quit now, i like it a lot the turbo just sounds so sweet man, but it was not a easy task, when i was removing the dump pipe to weld the extention on it a bolt broke off in my waste gate after a hour of drilling it out it took me only 20 mins to make the extention, i also i a leak on my waste gate gasket and a leak on my dump pipe gasket which are both fixed now.

but i love the sound much better than before i just can't get over how quite the car is now.

IanS13
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Joined: Sun May 09, 2004 9:27 am

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oh and one more thing i did not notice any power loss if any thing it build boost quicker, or i guess it makes boost without me noticeing the loud waste gate.


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