Fueling problems

[Andy Mc]

I've finally got my mk2 valver back today after having my stage 2 head, 264deg cams and flowed inlet fitted and am impressed by the difference this has made. When I went to pick it up my mechanic said that I will need to get in on the rollers soon to have the fueling and timing sorted as these type of engines tend to run out of fuel in the higher rev range after having these mods carried out. He also maybe suggested having a 5th injector fitted. If possible I would like a simpler method, if there is one, could anybody out there whos maybe had similar work to this done on there valvers suggest how you adjusted the fueling to obtain maximum horsepower....??

I've also spotted this tonite...

http://www.autotech.com/catalog/powermod.htm

Their based in the States and suggest this device with only work on 'GTI 16 1987 -89' but surely my car being and 1990 model will have the same engine...?? I'm not sure of the production dates for models in the States.

Any answers will be appreciated.

Cheers

[Gambit]

u just need to adjust the control pressure. u do this by adjusting the warm up regulator

im sure you've heard about the warm up regulator modification that Stealth do that everybody harps on about??

well basically you just drill a hole in the brass cap on the back of the warm up regulator. this allows access to a screw that allows you to adjust the control pressure.

ive had it done on mine. and u can notice a difference when u drop the control pressure. VW workshop manual says the control pressure should be between 3.4 & 3.8 bar. we tested mine at 3.4 & 3.8. at 3.4 the car feels far more responsive and pulls harder

you can also shim the metering head in order to increase actual system pressure, but it turn this raises the control pressure, so you need to re-adjust this after fiddling with system pressure.

system & control pressure adjustment is all that is needed on your car. u just need to find somebody local to you who knows how to adjust it correctly.

also, that link is no good for you. its for KE-jetronic. u are running k-jet. euro 16v's never got KE-jet fuel managment

[Andy Mc]

Cheers Gambit.....

I have heard of the warm up regulator mod and I've managed to get a session on the rollers for tuesdsay so I'll ask them to do this adjustment for me then.