weber carb problems

[gplategt]

hay i posted up earlier in the year i was having problems, im still having them, i put a weber 32 34 on and it went well, after that i took head off skimmed it and put the mk2 golf gti cam in know it wont rev over 4500 well it dose but its just added noise and no power ( dont do it offten) i have replaced fuel filter and cleaned card out twice and still the same, i havent done a service and dont know where 2 find codes on my jets, i have a fuel pump blanking plate made my facet pump is in the post along with new fuel line what elce could this be

1. pressure
2. wrong jets
3.wrong cam
4.goosed head ??????

[bensspares]

if it dies or looses power then its fuel starvation

[bensspares]

I would be looking at the fuel pump, resevior first and check for a good flow of fuel

[gplategt]

seems to be getting good fuel flow, its always running down the return as its ideling, ive tried 2 mechanical pumps on it also with no differance, forgot to mention sorry

[bensspares]

are you sure the carb mounting block is secure with no air leaks

[gplategt]

are you sure the carb mounting block is secure with no air leaks

the rubber gasket? yea cheaked that the other day im on 2 my 3rt or 4th one of them also, and the inlet gasket was done when the head was done, 6 months ago maximum

[bensspares]

are you sure the mixture is correct, the cam may be making it run lean at higher revs

[gplategt]

are you sure the mixture is correct, the cam may be making it run lean at higher revs

its been in for 2 tune ups at autotechniks, in fife, they said it may be the jets but tbh i dont trust them

[gplategt]

are you sure the mixture is correct, the cam may be making it run lean at higher revs

i wouldnt do the mixtures myself never done it and never built a carb be4

[MacColl]

It takes two minutes to take the jets out carefully with a screwdriver. They have codes stamped on them which will determine what they are.
Check this for jet location and the codes for 1.6 and 1.8 setup..
http://www.clubgti.com/forum/showthread.php?t=154216
Also handy..
http://www.clubgti.com/forum/showthread.php?t=179242

Your garage should know this as the jets may be blocked that can cause all sorts of problems. Any contamination kicking about the float bowels from fuel filler neck, tank, fuel lines..

Did you see the problems I had with my carb?
viewtopic.php?f=12&t=10783&hilit=weber#p77610

The GTI cam and head skim are definitely going to be an influence on how the car runs but I am no car tuner. I take it you know how to adjust mixture and idle? It's very straight forward on the guides available in those links somewhere?

[gplategt]

It takes two minutes to take the jets out carefully with a screwdriver. They have codes stamped on them which will determine what they are.
Check this for jet location and the codes for 1.6 and 1.8 setup..
http://www.clubgti.com/forum/showthread.php?t=154216
Also handy..
http://www.clubgti.com/forum/showthread.php?t=179242

Your garage should know this as the jets may be blocked that can cause all sorts of problems. Any contamination kicking about the float bowels from fuel filler neck, tank, fuel lines..

Did you see the problems I had with my carb?
viewtopic.php?f=12&t=10783&hilit=weber#p77610

The GTI cam and head skim are definitely going to be an influence on how the car runs but I am no car tuner. I take it you know how to adjust mixture and idle? It's very straight forward on the guides available in those links somewhere?

hay dude yea ive had the jets out and cleaned them up alond with the card with compressed air, i ment i wouldnt rebuild one,id rather a specialist to do it i no they arent rocket science but if u havent been shown how 2 do something it makes it alot harded. and ill get the jets out and c whats stamped on them cheers

[MacColl]

I'll be honest a few years ago I had never been near a carb, just found myself taking one apart and the next thing I did was buy a service kit from Fast Road cars.

Obviously I will mention Petrol always being a risk but other than that it's a bit like building an fiddly Airfix model kit

As said there are so many variables with your head skim and cam change so you'll need to eliminate each problem methodically.

[Brunty]

Have you checked the cam timing?

[gplategt]

Have you checked the cam timing?

no but it was a garage who set it up then it went in 4 2 tune ups, timing fueling etc, and still not going but i dont trust them

[gplategt]

i had 1 emultion tube out last nite says 33 on tube 200 on the top where u screw it in and 4got the 2nd one