Holy boost Batman!!!
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Elder User
Joined: Dec 2011
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From: Kodiak, Alaska
Not at the moment but Im looking for one to use. With these kind of pressures it would be pretty beneficial I think. I got it running again today and ran it down the road I checked to see how hot the plenum was after a good run it was warm but not scalding hot like I thought it would be. I guess it helps that I have a true cold air intake and a endless supply of cold air. I think the plenum would be ice cold with the inner cooler. I also noticed my EGT's are very manageable staying around the 300* range cruising and 800* on the hill climb. There is a hill on the other side of the island I want to try to see how it does on it now, I used to have to get a running start at it.
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Joined: Jul 2012
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From: Centerville TN
Your egts are better than mine. Mine runs about 400 cruising and if I push it uphill, especially a dead stop, I can hit right at 1000. Funny thing is, that it's not much difference at all if I'm pulling my fifth wheel. I got an intercooler from a newer superduty for just over 100$. Just haven't put it in yet. Glad to hear that its doing good.
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Joined: Dec 2011
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I just finished rebuilding my engine with the R&D Stage 1 cam, RD2 injection pump, and some of NMB2's injectors, new IDIT heads w/ ARP studs. After priming fuel into the system (and reading the instructions for the cam) it started right up, really smokey, but I advanced the pump timing a bit and it was much better. I took it for it's first test drive and pegged out the 15 psi. boost gauge before I hit 2500 rpm and if i had to guess it was up in the low 20's psi I backed off of it at about 3000rpm the difference in power is incredible!!!!!! This thing runs awesome! I do have a couple leaks I need to figure out before I have it back as my daily driver but I am really impressed with the performance of this setup! Thank you Racin'!!!
My own 7.3 is worn, has 200-300K miles on it(but still has ~400PSI cyl pressures).
Stock cam.
I've got the wastegated sidewinder kit.
I've got decent cheap rebuilt injectors in there, which I recently checked and all are popping around the same pressure(2K PSI I think).
With my worn, stock pump turned up, I can hit 10PSI around 2200RPM... But in my case, the wastegate prevents it from getting any higher, and so it stops it's exponential power curve around there.
I also don't have head studs, so I don't want to push it much beyond that.
The feeling is great, in any case.
Now, when I rebuild my engine, I've got a better cam to put in(Typ4 torque cam), and will use a better pump and studs, but it's pretty decent now.
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Joined: Oct 2013
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Help Greatly Needed
Okay so I'm new to the whole forum thing, not really good with performance on diesels, especially around the 6.9 idi era. I have a 85 f250 6.9 idi, was leaking from every where, so I pulled the engine, trans, and transfer case. Now that engine is out, I really want to beef it up. I was reading on a forum that is you put a turbo on a 6.9 idi that you would have to install beefed up connecting rods? Please help me with this. Again I'm not sure if this is the right area, but I seen y'all we're discussing 6.9 idi performance upgrades
Thanks, Ryan
Thanks, Ryan
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Elder User
Joined: Dec 2011
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From: Kodiak, Alaska
Minime make a new thread in this forum I will be glad to answer your questions.
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