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J pipe for NA manifold

9

90volvo

Active member
Joined
May 27, 2017
Location
Eldorado Springs Mo.
Wanting to run an EVO turbocharger. I have a NA manifold that came off of 93 240. Can a muffler shop build the Jpipe or is there anybody on Tbricks that offers them to buy? The build is going into 90 Turbo with auto. While Im asking which Evo is best to use for 450-500 street motor. Thanks for your time.
 
Maybe you have run across this pic, but "jao" made one from 16g exhaust tubing.

The transition at the manifold flange will take some additional time/fab.

DSCN2057.jpg


Thread: https://forums.tbforums.com/showthread.php?t=227512&page=2
 
sorry in the wrong forum. I thought I was in the other. My bad, dont know how to move it. But that pic helps alot. I think I can pull this off. But Im going twin scroll, so 2 small j pipes and I forgot about the waste gate.
 
IIRC you can run just a single pipe to a twin scroll turbo. That will make your life a lot easier if you're doing a j pipe setup. And it'll make it easier to install a wastegate just as pictured above.
 
90volvo said:
Yeh I know I can do one pipe. But for the full effect of twin scroll, I believe running dual pipe. I was thinking using 1and 4 then 2 and 3. I will see if thats possible on a NA manifold.
Click to expand...

I'm pretty sure that's how they're paired in the na manifold., Which is also the correct pairing for twin scroll.
 
I’m working on it. Sent piping to friend he’s gonna make it for
me. I can weld but I’m not a welder. I need to megasquirt my car first then will focus on the evo. Will keep you posted. I bet he be willing to make some more.
 
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