7875 + 5.9 + E85 + Megasquirt

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Made a sturdy bracket out of 1/4” plate today. My welds are crude but my v-bands and everything lined up perfectly.
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Are you guys with the VS 7875 running an oil restrictor? The old eBay 7875 had one on it and I never had any issues and I have a fat return line but I’m reading conflicting info about the VS turbos. I have a stock volume oil pump.
@turbovan ?
 
Got the biggest chunk of the downpipe fabbed and tacked together. Placement turned out really well. Not sure how or where I’m going to dump the exhaust. 4” exhaust anywhere under the car is tight.
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Started it up for first time in a while. I still need to fab the waste gate dump.
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The coil brackets I CAD’d and sent out to be cut interfered with the push in filters so had to rethink that. So I had bungs TIG’d in the valve covers. I’ll route from the valve cover to the catch can now.
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Looks fantastic.
I vote for the wastegate dump going straight up through the hood. Do it!
:thumbsup:
 
TT5.9mag said:
Looks fantastic.
I vote for the wastegate dump going straight up through the hood. Do it!
:thumbsup:
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It’s so tempting and would be sooo much easier!
I tried to mock something up that would go down and snake its way past the k frame and towards the rear but just too much crap in the way. I just got some stainless 2”. I’m going to merge it into the downpipe. I know, boring.
 
subcom said:
It’s so tempting and would be sooo much easier!
I tried to mock something up that would go down and snake its way past the k frame and towards the rear but just too much crap in the way. I just got some stainless 2”. I’m going to merge it into the downpipe. I know, boring.
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Boring but quiet and I’m the same same way. I “want” the wastegastes spitting fire out the hood. But I almost always plumb them back to the exhaust.
 
In Post #409 you show 3/4 PCV ports plugged. In Post #417 you still show 3/4 of them plugged. Under boost you are going to generate massive amounts of blow-by. I would at least have a crank vent on each bank. The provisions are already there.
 
mpgmike said:
In Post #409 you show 3/4 PCV ports plugged. In Post #417 you still show 3/4 of them plugged. Under boost you are going to generate massive amounts of blow-by. I would at least have a crank vent on each bank. The provisions are already there.
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Good eye! I do have a 2nd one coming from the front of the oil pan. If that’s not enough I’ll connect the other valve cover.
 
Wanted to run 4” back to the axle through the trans crossmember but chickened out at chopping up the torsion bar support (for now). So just doing a dump.
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turbovan said:
My downpipe ends at around the same spot. I’ll pray for your ears lol
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lol. I do this realizing already that after about 1 mile behind the wheel I’ll want to rip it all out and start over with a muffler and an exhaust dump. Why do it right the first time when you can do it 2 or 3 times?
 
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