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How much boost can I take?

B

Bom

Member
Joined
Mar 29, 2007
Car is 940SE with 19T turbo+new exhaust+ipd cam. I run 10 lbs at the moment. Curious how much boost I can increase without tuning ECU.

Thanks
 
Turn it up till you hear bad noises, then turn down a tad till the bad noises go away. That, sir, is how many psi's you can have
 
This thread is my second favorite right behind;

'Say does anybody happen to have a complete set of NOS 242 Turbo side trim just laying around that they aren't using and want to get rid of?'
 
Bom said:
Car is 940SE with 19T turbo+new exhaust+ipd cam. I run 10 lbs at the moment. Curious how much boost I can increase without tuning ECU.

Thanks
Click to expand...

assuming it is a healthy motor and all maintenance is up to date, blah blah... you'll need a set of "big green R" injectors and a 3" AMM at the very least. Then I wouldn't go past 18-20psi until you get some other proper supporting mods (IC, Wideband, etc) and I would also go full syth (fluid/filter/gasket) service in the transmission and perform the "accumulator mod!" ;-)
 
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