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Sometimes the compressor kicks off at 45f, sometimes as low as 28f. Measured at the vent in front of the driver. The evaporator randomly freezes up. I changed the freeze switch not long ago and it hasn't improved. I don't recall if it turns on the pump or if it just shuts it off. The...

Rebuilt the 12.7 about 2.5 years ago with a PAI HP kit **with 1 piece pistons**. I did take the rods in with wrist pins and they said the rods were in perfect condition. Thrust is 11 thou spec is 3.9 to 16.5. The rods don't come anywhere near hitting the pistons. The picture with the...

Looking for a decent rad that can cool 800 HP if possible. Really haven't kept up with what's out there, I see some are actually going to aluminum (on purpose). I'm sure a core would be fine. My ends are in good shape.

A little off the usual threads here, but in the gasoline world in x275 radial class (probably the most popular class by far) turbine wheels/hubs that have been machined are banned. Apparently this was a costly thing to do, but forced inductions was very good at it. Their turbos were winning...

Looks like the inducer and gap are the same, but the outer is different obviously. What's it take to open it up? Could use some cleanup past that point too.

Anyone run one?

Issue #1 Door gaskets and such need to be done. Ive already dicked around with new strikers and adjustments. Wind comes in at the latch and at the top corner. Should I look at anything else other than gaskets? Issue #2 steering box adjustment. No hole in the frame. Best you just take the...

It's like Christmas but a week early! Here's what happens if you don't have one: - No 10 hour OOS until April 1 - Fines are at the discretion of the officer and probably vary state to state - You WILL get a violation - The violation carries a 0 severity weight so it will not affect scores -...

It's the 1.32 wastegated housing for the 92mm turbine

Specifically wastegated ones. Anyone know what there is? What comes on the 177148?

I'm gonna start playing with Arduino making some sort of EGT display/datalogger. Looks like we need an EGT input shield. The probes put out very little voltage and don't act like a regular 5v sensor at all. Luckily there's EGT shields out there. Single channel Dual channel Four channel Eight...

The FMCSA/Dot/State patrol etc. have nailed guys for hauling race vehicles across state lines if it is proven that they have sponsorship or there's a purse. This is a ridiculous process to go through just for someone having a bit of fun, little more than a hobby. Most guys nailed for this...

Anyone have specs on this? I know it's the k31 and wastegated

Here's what you need: - An android phone. Or Apple if you're a hippie. Can just be a cheapie, needs bluetooth 4.0 to work with: https://www.amazon.com/OWON-Multimeter-Temperature-Bluetooth-Interface/dp/B017R3IE32 Works quite well. A decent quality bluetooth DMM with logging for $50. -...

Time for a proper introduction! Kind of a new 35 year old truck driver nerd from Canada. I love to tune things, and rebuild things. Detroit diesel fan but I love all iron that makes big power. Certainly not afraid to step outside of the box and try something new.

This full tilt manifold looks like crap after just a few years. Who does everyone recommend for a redo? What about in cylinder coatings? Chamber, piston, wall, etc.

I'm talking about these: http://turbocentras.com/turbo-vehicle-engine/OM471LA From what I can gather borg warner made them for detroit for a few years, now mercedes makes them and detroit "assembles" them for the NA market. From what I can gather: - axial flow turbine - asymmetrical exhaust...

Not a racing application but rather a "need to keep cool with more hp than stock" application. I'm running wyoming/Montana a lot and want to be able to go up and down them thar hills at 65 without things warming up too much. I have all the Detroit software and wow the stuff you can do with PWM...