Fuel Injection

airkewld Slammed & Awesome Dubber

81 posts · joined Jul 2007 · 6 Jun 2008, 9:04 pm

#650609

Hey guys just wondering what are the greatest benefits obtained from using EFI in comparison with carbs. I was thinking of making the change sometime in the future and was not only aiming to make it more"streetable" but also hoping to get more power. What are some good throttle bodies, injectors,fuel rails etc on the market for vw application?... Are they suitable for racing?

westi what the

1,610 posts · joined Aug 2005 · 6 Jun 2008, 11:00 pm

#650622

efi hardware or injection perfection.
as for power good luck.
it will produce no more power than carbies at wide open throttle if the carbies have been done correctly and judging by your power figures i would say they are,but it will give you a much better torque curve.
and yes racing no problem.
that's my 2 cents worth ,lets see what others have to say.

down sharon.

1303Steve Scirocco Rare

8,650 posts · joined Aug 2002 · 6 Jun 2008, 11:33 pm

#650624

Hi

I used to run dual 46ida Webers, I then went to a single throttle body with injection. In day 2 day traffic I found that where i would have to plan a manoeuvre with Webers so that I didn't get wheelspin or the motor would bog down, with injection you just got a smooth result no matter what you do, the word for it is tractability.

When the Bergs started using Haltech EFI in drag racing it was banned the regulating body in the US.

Another good thing about EFI is altitude & barometric correction, EFI does this automatically, to get altitude & barometric correction with carbs you need a great deal of experience, knowledge and know a good witchdoctor.

Steve

LIFE IN THE LOW LANE All people have the right to stupidity but some abuse the pr

2,534 posts · joined Mar 2007 · 7 Jun 2008, 8:42 am

#650645

Full throttle application carbs versus EFi there isn't a great deal of interest but for anything under that EFI for the win. Scope of tuning is far more prescise with EFI too.

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airkewld Slammed & Awesome Dubber

81 posts · joined Jul 2007 · 7 Jun 2008, 2:45 pm

#650663

ok thanks... so overall would you say EFI is the way to go? As for throttle bodies, would bigger be better if u had the hardware to match it ?( 55mm was the largest i could find) Injection perfection and EFI hardware have some awsome looking gear..... i noticed the 4 cylinder section only has TB to match DCOE.. since i have IDAs with matching manifolds would i need to find the kit that matches IDA or are they the same thing?

66deluxe Custom Title Time!

1,593 posts · joined Aug 2005 · 7 Jun 2008, 3:31 pm

#650668

airkewld wrote:ok thanks... so overall would you say EFI is the way to go? As for throttle bodies, would bigger be better if u had the hardware to match it ?( 55mm was the largest i could find) Injection perfection and EFI hardware have some awsome looking gear..... i noticed the 4 cylinder section only has TB to match DCOE.. since i have IDAs with matching manifolds would i need to find the kit that matches IDA or are they the same thing?

Injection Perfection does have IDA throttle bodies, EFI Hardware has them also but listed under rotary.

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