Can you convert Webers to FI?

[EricB]

Someone was talking to me about this, that they were going to convert a set of triple webers into individual throttles and use fuel injection???????????? I didn't know what to say...

Is this even possible?

Can someone shed some light?

Or is it easier to point me at a URL or book?

Thanks,

-e

[HS30-H]

Hi Eric,

Don't know about anywhere else in the world, but this has been quite common here in the UK for a number of years.

Essentially they gut the Webers ( or Dell'Ortos / Solexes etc ) and use the bodies and butterflies as the base for injection bodies. You can buy all the parts you need from Weber ( throttle position sensors that fit on the end of the throttle shafts etc etc ) and it can be quite effective.

In fact it was so effective that companies such as Lumenition started to make their own kits that bolt onto side-draught manifolds. That's the big advantage; being able to use the manifolds. Weber are even marketing their own versions now too. I think you can find them on several websites ( try the Lumenition one ).

Cheers,

Alan T.

[Brett240]

i just finished doing this with good results except the injectors are in the manifold itself. check out my gallery.

hey alan, do you have a link to a store in the uk that supplies the throttle position sensor? mine mounts off the throttle shaft behinf the webbers and im not totally happy with it.

[HS30-H]

Hi Brett,

Look for LUMENITION ( Google search might give you a link ). They are ignition parts suppliers / manufacturers - but they make injection kits to replace side-draught carbs too.

I'm off to Japan in a few hours, so if you can't find what you need I'll look into it in more detail for you when I return after 6th Nov.

Cheers,

Alan T.

[EricB]

www.lumenition.com

that was easy...

-e

[Bpaccaud]

interesting!!!!

What is the approximative price for this complete kit throttle, wire, and ecu unit?

And how can you tune the ecu (with a special controler or computer)?

what value can you adjust on the ecu programme?

exemple: inject timing point and fuel injected (open time of the injector)?

[Gav240z]

Great I love the idea of this just gotta work out what i will need and how much it will cost me so I can start saving.

First things first however install new camshaft then go injection

[EricB]

does someone have a pic or pics of either webers or dellortos or mikunis having been converted to FI - just curious to see what that looks like exactly... the throttles lumenition sells just look like individual throttle bodies as you would find in any other modern application.. i am curious to see how a modded carb ends up looking... step by step even perhaps?

i'll keep digging on the net in the meantime...

-e

[Zedrally]

Pardon my ignorance, but would this also be possible on SU's?

[Dtsnlvrs]

TWM Induction toyed with the idea of a su replacement throttle body, but found that most if not all su users when doing a conversion will opt for a dcoe body....the su conversion was aimed mostly at the british car guys but they all go with a single dcoe....prob cause of the siamesed intake ports. Anyway here is a good link.

www.twminduction.com

www.sdsefi.com

[Cuong Nguyen]

Hi All,

I have a set of 45mm throttle bodies that are Webber bolt pattern. I bought these brand new and was going to install it on an L18 in a Datsun P510.

I have since sold the car and will now get one more throttle body so that I can build a nice L28 to go with it all...

[Cuong Nguyen]

2nd picture: 45mm efi throttle bodies