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View Full Version : Exhaust, turbo and other questions



83Blzr62
11-21-2006, 00:35
This did not get many responses in the 6.2 forum, so I thought I would try my luck here since it is more turbo related.

OK, I have a few questions. I am building an engine (the one in my signature). I have a gm 4 turbo and the turbo set up from a '94 6.5 truck. I want to build my own exhaust and I have access to a good welder. However, I do not know where to get the collectors for the crossover pipe and the piece that connects to the turbo for the down pipe. What size should I get for these and where should I get them? Is 2.25" tube for the crossover and 3-3.5 " for after the turbo good sizes? Also, what size fitting and hose is the turbo oil supply line and where should the supply come from on an '82 block? What size threads are the main and head bolts so I can clean out the holes with taps?

That is it for now, but there maybe more later.
Thanks for all the help,
Kyle