Mk2 1.6 driver light restoration, starting/vacuum issues, help!

[XTC]

Hello there,

I bought the 1.6 driver from a friend, the head gasket had gone, he took the engine out with the idea of doing a complete rebuild, this however never happened so the engine sat on a stand for a year untill i bought it. I did the head gasket, skimmed the head, re lapped all the valves, new cambelt as well as a few other new parts.

The issue is that ive never owned a mk2 before and as i didnt take the engine out i have no idea where the vacuum pipes go. Its fitted with a weber 32/34 carb so the pipes have been changed from the standard setup. Ive searched far and wide on this forum and over the net and everyone seems to have different vacuum pipes.

Ive connected it all up and the car fires up with the choke on to 1500-2000 revs then dies, regardless of how much throttle you give it.



The image above shows the vacuum pipes ive connected and where they go, can anyone confirm if these are correct or not?

A - To the distributor

B - To the airbox, then goes to a second pipe that connects to the carb.

C - To the servo

I have only connected the ignition system and vacuum pipes, ive not plumped the rad in or anything, wanted to see if it runs first incase i had to rip the engine out again.

Any other ideas? carb float levels etc? thanks

[XTC]

Ok beggining to think its a fueling issue, vacuum pipes seem to be in the right place now. It starts second crank then dies but if you keep cranking it will start again after another 4-5 cranks. The carb is getting fuel, Iv took the fuel pipe off and turned it over and plenty of fuel comes out, where do I start to diagnose ?

[clipperjay]

Plugs and leads if you have seen a decent injection of fuel go round the system?

[XTC]

Iv have taken the plugs out one by one and they all have a decent spark, it's as though it doesn't have enough fuel to keep it ticking over, Iv never really had much to do with carbed engines

[clipperjay]

Check fuel pumps are working, start with fuse to pump and work you way round to actual pump otherwise it could be the auto choke flooding the carb if it stinks of fuel when priming?
Have a look at setting up the carb , this guide by rubjonny in the mk2 maintenance section found here!
http://www.golfgtiforum.co.uk/index.php?topic=18871.0
I'm assuming its a Pierburg set up if carbed?

[XTC]

I thought it was a mechanical pump that is drawn by the crank? it's a weber 32/34 dmtl, I think that I'm going to have to strip that down, it looks very complex, could the floats be stuck so it's not allowing the res to fill up properly?

[clipperjay]

If the floats are sticking open it would flood the carb and give you symptoms!
I would see if you could push start it and get it fired up first.
A trick I would do is to take the plugs out one by one leave the fuel to evaporate and stick a flame over each plug to clean them off make sure there is not too much fuel flooding the chambers, as I can't tell if its flooded or lack of fuel starvation with the information provided!
Only way to establish if floats are good it to take it off strip it down pour fuel into the float chambers and see if they move as they should?

[XTC]

Ok I can't bump it because the drive shafts are not connected at the moment, it's strange how it will rev to 2000 then just die, only to do the same again after a few more cranks, that's what makes me think it's fuel starvation, ok il take the carb apart make sure the floats aren't sticking and clean the jets out, il repost with the result, hopefully tomorrow

[XTC]

I had time this afternoon to get the carb off and strip it down, it was full of gunk, cleared the jets, floats are fine, cleaned everything and refitted to car, started it up and same thing happened. However with no choke it manages to idle badly for about 5 seconds before dieing, i tried dropping some fuel in the top of the carb as it was about to die and this kept it running for another couple of seconds.

Any ideas? iv not touched the mixture as the car used to run fine before the rebuild 

[Dolly]

i had a ibiza i did the cambelt on, i got the cam and crank spot on but the intermediate shaft for the dizzy moved one tooth! it would start and die and wouldnt rev properly.

worth checking?