18th September 2017, 10:46 AM
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Senior Member
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Join Date: Jan 2014
Location: Belgrave, Australia
Posts: 803
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Run a reserve of compressed air in a tank for charge purposes using the existing 12v system.
Then either drive a turbo with compressed air, or pump the air directly into the manifold (driving a turbo is probably more efficient use of the air reserves). Audi are already doing something like this to cancel out turbo lag in some models.
Then: Extra air = extra fuel.
You'd need a dedicated injector, like a throttle body injector or something and a standalone ecu to drive it. The stock ECU and injectors won't have the adjustment range to cope with intermittent pressure spikes.
All a bit complicated.
Wet shot of NOS is much simpler!
Also, where would you use this intermittent power surge?
Drag strip? Traffic light grand prix? It wouldn't be of much use up through the windies on a mountain climb.
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Cheers
Marty
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Current:
2001 Audi S8 - Brilliant Black with Black interior, C5 RS6 rims (whenever I actually put them on...), Solar Sunroof, Tinted side and rear glass, RNS-D, Grom, Bose, clunky old phone in arm rest!
2002 Audi S8 - Project
Replacement head coming arrived  thanks to MJ
Silver with Black interior. All features as the '01, with the 'S' mode auto shifter. Dodgey rear tint (need to find a way to get rid of that).
Family:
2009 Volvo XC90 V8 R Design - has a louder more obnoxious exhaust than the S8, sounds great! Love this thing - Q7 was double the price, and certainly not double the car!
Sold:
1997 Audi A4 - Hamilton's Club Sport, Achat Grey (will miss the old girl)
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