Quote:
Originally posted by javierb14
a well designed turbo exhaust manifold will optimize everything that gives a turbo better performance.....heat, pressure, and flow. to say flow is the biggest contributor isnt correct. if this were true then "log manifolds" and the poor flowing cast OEM manifolds wouldnt work that well 
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They don’t, compared to a better header type of setup.
Quote:
Originally posted by javierb14
[b]u should read the introduction of corky bells book....
"a turbocharger is a simple device. it is nothing more than an air pump driven by energy remaining in the exhaust gases as they exit an engine.of the energy released in the combustion process, approximately 1/3 goes into the cooling system, 1/3 becomes power down the crankshaft, and 1/3 is dumped out the tailpipe as heat. It is the last third that we can use to power the turbo.
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So you ignore the word
dumped in that paragraph? Dump is a verb. I won’t resort to defining this as a way to insult your intelligence, as I do not mean to in any way. Anyway, it takes energy to
dump the heat.
In short, as I’ve heard before, energy cannot be be created or destroyed. The fact is that the turbo is not a heat exchanger.
Quote:
Originally posted by javierb14
basically, optimize the energy transfer (heat, pressure, and flow) to the turbine and u will get better performance.
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Transferring heat to the turbo is important to get it away from the engine, but likewise, you need to get it through the turbo as efficiently as possible also. I do notice you say optimize, rather than reduce or increase…I agree with you on that point.
Quote:
Originally posted by javierb14
i like a good flow.....thats why we use a real merger collector in our manifolds.
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I agree here also…I feel that flow is most important, as that’s what turns the turbo.
About your pics…they look pretty nice compared to most I’ve seen. However, if you want to see some welds on the that look even better, send me the parts for one and I’ll work it up for you J
I can see that the fit is nice prior to welding. Why don’t you just purge the inside and put a full penetration weld on it?