sorry about all the questions i wanna get this right. can Al tune the car to 20.5 psi without me having to buy a MBC, would it be better if i got one? like would it spool and hold better? he said that 20.5 was the most i should go wtih 91 oct. and im wondering why i should spend the money on a MBC when i could just get Al to tune it to 20.5 psi.

 

The ecu sets the boost to approx 20 psi in 5th and 4th gear - 1, 2, & 3 are slightly lower depemding on the individual car,

MBC is best for those seeking max possible performance while the boost copntrolling flash is best for those seeking stealth factor - ease of use and simple instalation

 

I think gettin' a boost controller is a great idea. I would also recommend a boost gauge. They are both low cost and fairly easy to install. Also and I think most importantly they will enable you to monitor your boost. In the event you add other supporting mods that will effect your boost, you can adjust using the controller as necessary.

 

alright then i think ill go with the mbc. do you know if the Blitz dc-ll turbo timer reads boost accurately?

 

Its as accurate as any other normal boost gauge - most of them are not scientific instruments !

 

I had one and it did read close to accurate but it reads boost in Bar not Psi.