How to fit a MBC ? help needed - fd3s std twins

Started by Matgto, October 19, 2006, 09:22:18 PM

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Matgto

October 19, 2006, 09:22:18 PM
Hi all... again me..

just want to know if one of you can help me for my second fd... i want to know how to fit a MBC in my fd3s but with the standard twins...

i have try something but always my pressure stays at .3bars and not more dont know why...

it\'s a EUDM fd3s 1993.

there is some pictures of the engine bay!

i run only ONE mbc not two... and want to know how to install ... think it\'s not working...

thanks for all..

ScuttleRX

#1
October 19, 2006, 09:55:12 PM
Hello again :)

2 FD3s\'s....thats just greedy ;)

Sorry cant help, just wondering, did you only have 0.3 bars before you fitted MBC?

Matgto

#2
October 20, 2006, 06:28:00 AM
Hello again :)

no 3 FD3s\'s :D that\'s my pleasure cars :D

i just got .4bars before fitting mbc... i just want to get .75bars... not more... because have : std twins - front mount intercooler - walbro fuel pump - bigger injectors - blow off valve - hks induction kit and something :)

so it\'s bad .3 bars :(

ScuttleRX

#3
October 20, 2006, 11:24:16 AM
3?! Your very lucky :) You have to put some pictures up :)

Yes, not sure if fitting MBC will cure it if it was only boosting 0.4 anyway? (You should be able to get 0.75 as standard)

Might have another problem, maybe something simple like a blocken/broken Catalytic converter, maybe something bit more complicated with solenoids/vacuum pipes etc.

I will try and find a website that shows easiest ways to diagnose problems with the twin turbos, I have seen it before but cant remember where it is will need to have a search.

Do you have apexi PFC and commander on this one also? If you do its the easiest way of adjusting the boost up to around 1 bar on the std twins.

BlitzBoy

#4
October 20, 2006, 11:46:35 AM
your wastegate is either stuck open or you have a boost leak
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Matgto

#5
October 20, 2006, 12:16:51 PM
Hi again and thanks for the infos...

anyway the problem stay... i don\'t have catalyst converter on this car and dont have pfc too.. i have stock ECU with some parts fitted...

problem stay i have only .35bars now and i can\'t change that... i have try all ways to change the problem but i can\'t find where is the problem...

may a vaacum pipe broken but dont know where...
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