Carbed Turbos Vs MFI/EFI Turbos? Discuss?
09-06-2005, 07:08 PM
#1
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Carbed Turbos Vs MFI/EFI Turbos? Discuss?
Apart from the obvious benefite of running injection managed cars (fuel economy blah blah blah) just how much difference is there?
09-06-2005, 08:42 PM
#4
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I turbo'd my XR2 and ran the carb still (TT conversion) and I wish I'd just bitten the bullet and dropped an ERST lump in there, it was nothing but hassle! Always going wrong!
10-06-2005, 06:18 AM
#7
Testing the future
as Alex says, it's control - control to get the fuelling right under all conditions, control to get the timing rigt under all conditions.
carbs and mappable ignition are a big step forward over carbs and dizzy though.
carbs and mappable ignition are a big step forward over carbs and dizzy though.
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10-06-2005, 07:54 AM
#8
Nothing is as good as an EFi system as the control is from the ECU. Where as a Carb with Turbo needs to be setup via jets sizes and fuel regulators etc........not good enough to be able to get 100% every time + if you have one off made components it makes it even more involved.
10-06-2005, 09:50 PM
#9
just finding my feet
r5 turbos are not the best example as there the worst for being set up wrong and having issues 
its just about controlling and alsot he ecu sorting potential problems, you can make a cold start map and temp based map with efi, carb ya adjust it and thats where it stays, no tempo sensor to adjust the fueling for different temps
it will work but think of it as a electric windows, to some its not needed but ya cant close ya windows at 70mph when its rains as easy and safe can ya
in a nut shell theres better options out there that work perfect so why use old tech when the new stuff is better
dont get me wrong i love different approches and not saying be blinkered but be prepared that unless ya tuner has worked on these and made em spot on then its no different to giving a back street mechanic the keys to a F1 car and saying @
"service this for monaco"
its just about controlling and alsot he ecu sorting potential problems, you can make a cold start map and temp based map with efi, carb ya adjust it and thats where it stays, no tempo sensor to adjust the fueling for different temps
it will work but think of it as a electric windows, to some its not needed but ya cant close ya windows at 70mph when its rains as easy and safe can ya
in a nut shell theres better options out there that work perfect so why use old tech when the new stuff is better
dont get me wrong i love different approches and not saying be blinkered but be prepared that unless ya tuner has worked on these and made em spot on then its no different to giving a back street mechanic the keys to a F1 car and saying @
"service this for monaco"
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