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And when you pull heads, the very least should be cleaning and non destructive testing. Magnaflux is shop only, nearly as good is dye penetrant testing. Check mark, again from the usual scumbags and my employee discount The process is easy. First, clean the head with Diesel Mechanic in a...

The two other books very important to turbocharging..

The usual scumbags delivered, correctly too..both needed for project twin VNT. The author of the book is a local chap, quite affable too. While the book is 23 years old, most applies. I met him 12 years ago..might need to pique his talents on this on. Head studs are a must, still on the...

Since this is a topic on turbochargers, a little terminology and info should be handy here. I've heard a few complaints on turbochargers with regards to this engine family. Namely turbo lag..which in all accounts is the wrong term. Most turbo systems are designed around a free floating or...

My twin turbo variable nozzle Frankenstein project is a go, found the rare compressor map for the selected turbos. Looks like a combined 30 pounds mass of air at 15 PSI gauge and 72% efficiency so no need for intercooler. Stock, the engine theoretically gulps 400 cubic feet of air at 3600 RPM...

Need a bag of round tuits. Work has been eating me alive. I bought manifolds from Hillbilly to mock up..looks like 1-1/2 Sch 5S is perfect as exhaust port spacing is 4.5 inches. This size pipe (1.9 inch OD, 0.065 wall thickness) can be formed to match existing ports, no stretch. The weld...

Nice. I'm going a different route. Twin turbos. Two smaller variable geometry units with a combined mass flow of 40 pounds per minute. Exhaust manifolds will be from 1-1/2 Sch 5S weld fittings with turbos mounted between the two inner cylinders. Intake will be a modified stock unit...