[FIRST TIMER SAAB]

i'm looking at buying this saturday a Mreg 900 se turbo at a steal of a price im told by a friend that to fit a dump valve i will need a recurculating dump valve is this true if so how much should i look at paying for one.

secondly what should be looking for/at when buying the car as im 25 in may and no one in my age group seems to own one so turn you guys an girls for some advice.

thanks in advance

ross

[Saaboheme]

Welcome aboard.
Saab NG 900 (94 to 98 or 99 depending on country) has T5 engine mgt. If the DIC cassette under the hood, sitting between the two cams, is red, the car is T5. If the car is T%, you may use an atmospheric dump valve. If not T5 (that is to say, if T7 or T then you cannot use the dump valve. These later systems of engine mgt. use a MAF sensor upstream. This device will measure the air mass entering at the low pressure side. If you dump boost to atmosphere downstream of this the ECU cannot account for the differential between what the MAF told it and what it sees from readings given by other sensors during and after combustion. The result will be a CEL and less than optimum performance.

[bob3587]

Hi

New to the forum and total numpty question but looking for some help. I saw I tv prog on wednesday tuesday where they put vegitable oil into a diesil GM car and it worked no problem. I have ahigh milage saab (905 2.2 TDR) I use as a self provide company car, looking to reduce my costs does any body know if I could use veg oil instaed of diesil without makeing significant mods.

[Shifty]

first time saab, check your existing dump valve, if it has 3 pipes attatched to it then its a recirculating type but if its only 2 pipes then its the standard type. If you go to partsforsaabs or Elkparts they will show you which one is correct for your model. Its a very good upgrade as the original dump valve is the plastic diapragm type that is prone to failure. The average price for a recirculating dump valve is £80-£100 for the saab.