January 27, 2011
Retrofit fuel management system on a C5 Corvette ?
Having seen several new vehicles with fuel management systems, that allow 2 or 4 cyclinders of a V8 to be shut down, while cruising – saving gas. Does anyone know if it’s possible to retrofit something like this to a 1999 C5 Corvette 6-speed ? I am considering moving house & will have a daily round trip commute of 150 miles of rural freway cruising – 5mpg better would save a gallon of gas per day.
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Filed under Gas Conservation FAQ by on Jan 27th, 2011. Comment. 
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Comments on Retrofit fuel management system on a C5 Corvette ?
not a clue===good luck
If it would be possible it would be VERY expensive. Only a GM dealer with TONS of patience could give you this answer. You are going to have to change many computers and components to make this happen, and that’s only if there are no mechanical differences in the 5.3 that they currently use this technology on….
I don’t think this is going to be practical, but call the dealer and find out…. If you don’t have a patient GM dealer there, call Superior Chevrolet in Merriam, KS, very good with Vettes and have a good parts/service department. 913-384-1550
You’d pretty much be better off using a different engine, and I think the only one they are currently doing it on is the 5.3 from the trucks and Impalla/Monte SS. It would be slower, but it would probably save you some gas. It would be way more expensice than it would be worth though. It would take a very long time to use up as much money in gas as it would take to convert your engine over.
No, this would not be possible to do to your vehicle. The best advice I could give you is to maintain your car at top notch if you want to continue to drive it. Or, better yet find another form of transportation and save the miles on your vette. If you are wanting something that is good on gas and still peppy and fun to drive, check out the Chevy Cobaly SS supercharged.
Or wait for the 07′ vette, it is supposed to have the gas saving, cylinder drop feature available, but in the larger 6.0L displacement block.
This feature is a combo of mechanical and computer features that are unique to these engines. These engines ARE NOT interchangable with the older engines.
By the way, the current engines with this feature can only be found in the Implala SS, Malibu SS, and Grand Prix GTP. It is not available yet in the pickups, but soon will be.
Hope this has been helpful.
donn`t even think about it !