Quote:
Originally Posted by RHestand
IMO, there are several advantages to this design. A couple that come to mind:
Exhaust heat rises for a very short, direct trip up to turbo/turbos.Quick spool, very little heat loss.
Compactness/versatility. W/O the exh. manifolds/pipes on each side of the engine, it allows for a much narrower engine pkge.
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Good points. The high heat is good for the turbine, but I'm not sure about the effects of soakback with all that heat concentrated in the lifter valley. I guess it can't be too bad or they wouldn't have put it in service like this.
As for compactness, you still need a manifold on the outside of the vee. I thought those heads looked very wide with the intake manifold cast in.
Ryan
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2003 3500 QC SRW SWB 4X4 3.73 HO/NV5600. Built 2/28/03.
Isspro boost, oil press., oil temp, post-turbo EGT, Wet Okole seat covers, Line-X, Integral OBD-II, Fastcoolers, DSG Idler, Custom Fuel System
@80188 mi/ 2302hr, 19.1 mpg
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