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I actually recently came across a guy who notified me that because my belt was cracked it might break and my engine's valves would hit the pistons.

Ok, I finished the mounting bracket for the turbo and most of the turbo outlet adapter pipe. How to mount the turblo is something I put a lot of though into and I think this will work out well. The weight of the turbo needs to be supported (by something other than the exhaust piping) since...

Yeah, the bolts basically wobble in the holes. I calculated the thermal expansion difference to be around .014" worst case scenario along the long axis of the bolt pattern. It's a non-issue unless your flange is like a foot long or longer.

yap

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You can see the fuel return line and regulator right under the blow off valve in that last picture. What brand FMU are you running? I'll probably go with a Vortech. How much difference does 8psi make on your setup?

At only 1 bar of absolute pressure you won't need to richen the mixture, probably even without an intercooler. On a normal turbo car pushing like 2 bar of abs. pressure, sure. I will need to run 91 octane though, (93 would be better since that's the level of premium fuel at sea level locations...

That's fairly similar to what the FMU does that I'll probably be using. It uses a boost referenced diaphragm to restrict fuel flow in the return line, thus raising the rail pressure when under boost, and it does so at a aggressive rate so it not only provides additional fuel for the boost, but...

What do you mean? Of course it can read pressure above ambient, ambient is not 1 bar (103kpa) at this elevation, it's only 85kpa. All of the maps in the speed density system go to 1 bar. I'm going to have a wideband 02 sensor on it to monitor the AFR and tune as necessary, not just run it...

hmm... Made some stainlessy bits... portage

3psi won't need anything. When I go more I'll probably just use an FMU.

Yeah it's a 5 speed. When the top and doors are off it's by far the most fun vehicle I've ever driven just railing around town, it's going to be epic with a turdblo. I kept seriously thinking about turboing it and talking myself out of it over and over again. If that's how it's going to be...

The turblo arrived today. It's a Chinese knockoff of a Garrett GT2860RS (known to the ricers as the "Disco Potato"). After looking at a bunch of compressor maps and seeing what was available and cheap I decided to go with this. It was $209 shipped on ebay and the build quality seems to be just...

Using a spectrum analyser app on my phone I found the drone obviously peak at ~80hz. This is pretty low and I would have needed a longer reson8er pipe, but that was the longest possible pipe I could have fit w/o getting really fancy and ordering new material. Honestly, I'm probably going to have...

Ok, so this brings us up to the present. I'm waiting for the turbo to show up, so I started making the intake pipe and a couple other random things. Added a 2nd bung (for a wideband o2 sensor) to the current exhaust system so I can see how the factory setup is handling air/fuel ratio. Some...

I'm turbo'ing my YJ because I can. Only have a couple weeks before school starts so I probably won't have to figure out how I'm going to tune it. The plan is to get it running on 3psi (return it to sea level), and then just worry about the tuning when I have time and bump it up to ~7psi. I'm...

for a '91 yj manual trans 2.5L, if that matters. wudduhya got?

I had a '72 like that

I'd vote for Putin before I voted for Hillary.