Toyspeed.org.nz Message Board

by **Truenotch** » Wed Jan 13, 2010 10:19 pm

jakesae101 wrote:dont paint us all with the same brush im 18 my first 2 cars had carbs my rs2000 had sidies what a pain they were to keep in tune sometimes

Yeah, obviously there will be exceptions... but it's definitely a lot easier to plug in a laptop and bump numbers up/down than it is to balance a set of carbs by ear

.

red car · by pc » Thu Jan 14, 2010 5:55 pm

I'm reasonably noob when it comes to carbs, but I understand the theory, and I understand EFI reasonably well.
I cannot imagine a well tuned carb setup producing results as reliable as a well tuned EFI setup. I can't imagine any benefits at all.
Can anyone explain a theory of how a carb system could be better in any way?

OMG so shiny! · by **Dell'Orto** » Thu Jan 14, 2010 6:09 pm

For engine conversions - simplicity. No need for drop tanks/surge tanks/expensive EFI fuel line or extra wiring for ECU and sensors. Otherwise there is no real advantage.

by **shihad** » Thu Jan 14, 2010 6:30 pm

what about sound :lol:

and mid range torque wouldnt carbies provide more mid range torque than fuel injection

by **matt dunn** » Thu Jan 14, 2010 6:34 pm

shihad wrote:what about sound and mid range torque wouldnt carbies provide more mid range torque than fuel injection

Sound, ITB's,

and no

by **Mr Revhead** » Thu Jan 14, 2010 6:34 pm

shihad wrote:what about sound and mid range torque wouldnt carbies provide more mid range torque than fuel injection

how?

by **shihad** » Thu Jan 14, 2010 10:59 pm

well my one makes all right mid range i guess its just how they set up they certainly feel alot different to a standard fuel injected 4age i just always figured carbs made good mid range i da know i guess all the carbed cars i been in made good midrange.

Website · by **Bling** » Thu Jan 14, 2010 11:04 pm

Maybe other areas of your rev range are lower than efi equiv, this would make it seem to make more power when the mid range is hit. Just a thought.

I know when I ran open trumpets I got torque steer @ 7k which I don't get with factory airbox. My theory was it just shifted all my power to 7k :lol:

As it seemed overall slower with no airbox.

red car · by pc » Thu Jan 14, 2010 11:05 pm

shihad wrote:well my one makes all right mid range i guess its just how they set up they certainly feel alot different to a standard fuel injected 4age i just always figured carbs made good mid range i da know i guess all the carbed cars i been in made good midrange.

Could be because the top & bottom are missing.

by **ChaosAD** » Fri Jan 15, 2010 4:23 pm

Could be that the stock ecu tune wasnt tuned for the mods but the carbies are

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