ECU on a mk1 golf?

Hi all i need to pic your mk1 brains.

Heres the story. I've got jenvery throttle bodies for my mk1 golf gti 1.8 8v 1983. Jenvey said before i bought them they would be a direct fit and would be easy to fit. All i will need is Bosh beige injectors from a vauxhall xe engine and a puel pressure regulator. When i got the TB's i had a look at them at the side of my engine and they deffo do not fit. I contacted them again and they said i need a weber manifold! I have now ordered one and it should be here in the next few days.

The next problem is the injectors. I asked how would the injectors work as my car doesnt have a wiring loom for them. They said that i need to fit an ECU to make them work. I have no idea how this is possible does any one else know? I read that you need a throttle pot but i have no idea what these are and whaat they do. Can any one tell me?
Can any one help me please as i feel i have just spent ?800 on parts for nothing.

Thankyou very much.

You've just spend ?800 on parts for an incomplete setup!

Yes, fitting throttle bodies means that you need to run with fuel injection too, pragmatically it will have to be an electronic aftermarket system since you'll need to run in Alpha-N mode (open loop control, determining fuelling requirement by throttle position and engine RPM).

Obviously you'll need to replace the mechanical injectors with electrical ones. This might mean a new head, unless you can confidently adapt the existing one to accept the injectors. You might also need to change the fuel pump to one that runs at 3 bar instead of 5 bar.

Sounds like an awful lot of changes, for not a lot of power gain.

PS a throttle pot is a throttle potentiometer, it sends the signal of the throttle position to the ECU. Most cars with closed loop electronic fuel injection, have them these days.

Balancemotorsport.co.uk sell kits of all the bits needed. Maybe you could go on there and see what you're missing ? Looks like they use the Emerald ECU.
Expensive stuff those throttle bodies !!!

How did you get on with converting your mark 1 to run on the jenvey throttle bodies ?

Its not done yet cos my ECU still hasn't arrived. I've ordered a Megasquirt V3 ECU Programmable Engine Management. Comes with the loom and software to remap it so when its finished been built i'll get it fitted and keep you updated.
Thanks

updates?

The update is ebay item number: 110230631118.

bummer.
suppose youl get more informed before commiting to such a serious purchase next time ?

good luck with the sale..i may be wrong but it looks like you've listed in the wrong category? Cars, Parts & Vehicles > Car Tuning & Styling > Exterior Styling > Body Modifications > Full Body Kits

It's the only options it gave me but i'll look again. It's not the seriousness of the modificationg cos it's not that hard. It's the fact that i'm going in the army so the whole project has been sold. shame like you say cos it would have been great

Bear in mind that once it's all together, you are still going to have to put the car on the rollers and get a map written for it.  Might be worth going the whole hogg and swapping the dizzy onto Megaspark/Megajolt as this will help with the mapping.

It's a pretty serious spend going to throttle boddies - not really worth it unless you are running a full race engine.

You'll probably need to go to a late Cabrio fuel tank with a lift pump in it and a bigger fuel pump, maybe from a 16V Mk2 or a G60?

My mate went to throttle boddies on his Nova.  Once he had it all running, mapped and everything sorted, his total spend was about ?4.5k.  He did see 139bhp from a 1.4 16v engine though!  First time out won it's class and finished 5th overall.

I priced up jenveys dth throttle bodies, emerald ecu and including rolling road time for mapping just under ?2ooo. As it was only for the road decided against the bodies.

are you just running the standard abf setup with standalone?
hows it going?

No im running mk2 golf 16v inlet manifold with throttle body modified to accept throttle pot, vauxhall injectors ,g60 injector seats and aftermarket injector,fuel line connector with adjustable fpr. was going very well untill h/tank water and more ended up in the sump.