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Re: Very very quick wastegate question... 850 1995

posted by  someone claiming to be jeff yeoh on  Sat May 12 19:13 CST 2001 [RELATED]

I first did 3 180 deg turns and thot that was that. until i saw someone post on the BB he did 4 1/2 turns. I was like going ... 1/2?!

i went back and did another 3 180 degs turns after that.

now there's one thing peculiar about our ECUs - it's SMART, it's ALIVE! it will reset the baseline boost to stock settings after a coupla days of driving. the initial result of quicker spool-up after the turns will disappear after a while when the ECU learns what you've done and resets the whole thing!

I was pretty contented with the initail 1 1/2 turns until the reset happened. so i went and did the further 1 1/2. the reset was even quicker this time - 2-3 days and it was back to norm.

Gary Griessman (did i get that rite?) posted in another BB thread an excellent method of preventing ECU resets - just remove Fuse No. 1 in the fuesbox for 2-3 minutes. I can safely testify it works!

btw just my view but 3 full turns is definitely safe. also, i don't believe turning up boost over the limit will blow our engines. 1st thing that'll go wrong is engine check lit comes on. if you do a search on the topic you'll find our turbo will not overboost beyond ECU set boost limits (on my SAM thats 1.0bar constant, 1.1 when spike).

rgds

jeff

95 855T5A SAM chip





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