Mods to improve throttle response...
05-30-2007, 10:46 PM
#1
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Mods to improve throttle response...
Don't get me wrong, I love my C6, but wish the throttle response was a little better. What mods would you guys suggest to get a bit quicker response?
05-31-2007, 06:24 AM
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try rotating your maf 90 degrees. there is an 'air diffusor' inside the MAF housing. in the 'stock' position the diffusor is 90 degrees out-of-phase with the throttle body butterfly. by rotating the maf you will align the 'air diffusor' with the butterfly and direct air into the throttle body opening as the butterfly rotates open. the 'delphi' module will end up on top instead of the side when it's aligned.
05-31-2007, 07:30 AM
#6
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try rotating your maf 90 degrees. there is an 'air diffusor' inside the MAF housing. in the 'stock' position the diffusor is 90 degrees out-of-phase with the throttle body butterfly. by rotating the maf you will align the 'air diffusor' with the butterfly and direct air into the throttle body opening as the butterfly rotates open. the 'delphi' module will end up on top instead of the side when it's aligned.
05-31-2007, 07:58 AM
#8
Safety Car
If you have a 2006, is it a manual tranny or the A6 auto tranny?
IF it a BASE manual try some 4.10 gears, that would get you all the throttle response you could ever want.
Also, you might notice a slight increase in throttle response with a K&N aircharger.
Lastly, put some sort of exhaust on that thing.
At least you would be able to hear the throttle response
My current C6s both have K&N replacement filters and catback exhausts.
Howard
IF it a BASE manual try some 4.10 gears, that would get you all the throttle response you could ever want.
Also, you might notice a slight increase in throttle response with a K&N aircharger.
Lastly, put some sort of exhaust on that thing.
At least you would be able to hear the throttle response
My current C6s both have K&N replacement filters and catback exhausts.
Howard
05-31-2007, 10:26 AM
#10
Get a tune by a reputable tuner or another alternative is to get a handheld programmer like the predator. I did the latter and am pleased with the results. It also makes a good obd2 code reader, disables cags, and you can always restore the original stock tune from backup when the car needs servicing. Not all it does but you get the idea.
05-31-2007, 10:46 AM
#12
Get a tune by a reputable tuner or another alternative is to get a handheld programmer like the predator. I did the latter and am pleased with the results. It also makes a good obd2 code reader, disables cags, and you can always restore the original stock tune from backup when the car needs servicing. Not all it does but you get the idea.
05-31-2007, 10:48 AM
#13
Race Director
Another simple trick which I've found works well in some cars is if you run the spark plug gap just a little bit tighter. So in the case of the C6, which I believe is spec'd for .040 gap, try a .035 gap.
But by far the best thing would be to get it tuned. When I got my C5 tuned I told him I wanted better low end throttle response, so he added 3 degrees more timing down low. Throttle response is very instantaneous now! (although I wouldn't recommend getting this done unless you can get 93-94 octane fuel in your area, since I get pinging on anything less than 94 in mine with this agressive spark curve)
Another thing which might help is a Vararam. I know on my C5 the Vararam made a nice difference in throttle response too, even right off idle, so hopefully the C6 version would do the same.
I'm actually a little bit worried that when I first get a C6 I will be a bit disappointed with the low end throttle response, since I have a feeling my slightly modded C5 is probably a bit better in that respect. But once I do the same mods to a C6, I'm sure it'll be much snappier off idle.
But by far the best thing would be to get it tuned. When I got my C5 tuned I told him I wanted better low end throttle response, so he added 3 degrees more timing down low. Throttle response is very instantaneous now! (although I wouldn't recommend getting this done unless you can get 93-94 octane fuel in your area, since I get pinging on anything less than 94 in mine with this agressive spark curve)
Another thing which might help is a Vararam. I know on my C5 the Vararam made a nice difference in throttle response too, even right off idle, so hopefully the C6 version would do the same.
I'm actually a little bit worried that when I first get a C6 I will be a bit disappointed with the low end throttle response, since I have a feeling my slightly modded C5 is probably a bit better in that respect. But once I do the same mods to a C6, I'm sure it'll be much snappier off idle.
05-31-2007, 06:00 PM
#16
Turning off TM will give you better throttle response when you get on it. Opening up the shroud with a hanging filter, or a Vararam, etc will also help. I opened the shroud with my Aircharger (K&N) and added the Predator to turn off TM. Made a big difference. So do the almost straight pipe flow of Bullets.
I thought they were still working on that.
05-31-2007, 06:29 PM
#17
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you may be able to see the butterfly shaft in the pic.
the butterfly shaft is horizontal. the 'stock' position of the maf places the diffusor vertical. once it is rotated 90 degrees both the diffusor and shaft are horizontal.
one item to watch for when rotating the maf is hood insulation clearance.
05-31-2007, 06:32 PM
#18
05-31-2007, 06:39 PM
#19
Throttle response is a function of how quickly the butterfly opens and closes, of course, along with other things(cam, compression ratio, blab, blab, blab). The PCM controls the electric motor that determines how fast it opens, and especially how fast it closes. I've been told that the throttle closes relatively slow in our cars, but this can be adjusted with a tune.
05-31-2007, 06:57 PM
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St. Jude Donor '13
Dont think i could ask for better throttle response with my stock 06 a6, it just jumps at a tiny touch of the gas! I bought the car used, dont think it had a tune, but it sure flat gets up and goes.