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Viper V-10 question
At a car show last week, there was a Viper and a Countach. Both used injected crossram-type manifolds. The Countach's was clearly two separate plenums feeding the opposite bank of cylinders. The Viper's appeared to be the same, but had a flat connection at the very rear (top) of the manifold, or what appeared to be a flat connection of the two plenums.
Are the plenums of the Viper's V-10 crossram connected in any way? For MAP purposes? It definitely had two separate throttle-bodies. How does it handle idle-air-control? MAP if not connected plenums? Does it use one or two O2 sensors? I saw no provision for idle-air-control on the Countach, though I'm not expecting any detailed info about that particular engine. But, knowing your installation of the V-10 into a Cobra, I was hoping you could help me out about it. Thank you. |
To complicate things further, the new 2003 Vipers seem to use one throttle body (changed from 2) and the plenums seem to be joined at the front, behind the one throttle body. All suppositions based on viewing other people's cars, none of whom seemed too well versed on the mechanics of things.
Does anyone know for sure? I know the 2003 Viper got more HP, but I thought that came from increased displacement. Anyone have any thoughts on the pros/cons of connecting the plenums? The Countach is high speed, high RPM and has disconnected plenums. The Viper is known more for torque and apparently has used both types?? Thank you. |
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