Ive had my 96 855 tdi for a couple of months now,
very happy with it, nice clean example, good on fuel etc etc.
considering the weight she moves quite well, specially in 4th.
however i would now like a bit more power!
i have been reading up about a bigger turbo (dont know which one or whether its a straight swap) and bigger nossels they get upto 300bhp and 600nm or tourque (also bottom end bolts) well this is what i have read!
i would be more than happy with 200!
i am running simple basic mods;
pipercross cone,
silicone vacuum pipes through out,
blitz dump valve,
boost gauge
ive tried the good old MBC but i now realise what i think is the wastegate (also a vacuum operated vlave that runs between the manihfolds doesnt bleed to give any extra boost) runs of a positive presure and when bled only lowers boost!
What i would really like to know is how i can get more boost?
Also is there any tweeks i can do with the pump?
i have been searching very hard for any info including looking for info on other cars the engine is also used in, and found nothing!
any help would be a massive help
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