Profec B boost control

That spinning thing that makes all of the cool noises. OE and Aftermarket.

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Subtle
Third Gear
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Joined: Wed Apr 13, 2005 3:52 am
Location: Vancouver, B.C.

Profec B boost control

Post by Subtle »

It shouldn't be temperature sensitive, but it is.

I've had the higher setting at 12 and with the warmer weather this week(up to 80 F) it's loosing performance but I'm thinking it's due the usual lower density air.

Then it noticed it was only pulling 10, and dialed it up so it was again reaching 12. Got some performance back.

Then tonight with cooler temps(around 50F) the waste gate isn't opening until 14.

Nice performance, but it is absurd to have to be changing the setting during such temperature swings. :?

Any comments :?:
Subtle (normally aspirated engines suck):
05 Legacy GT Wagon with Cobb chip.
62 Alfa Romeo Spider- had a 1.6 L with 80 hp, now 2 L with 160 torque. Curb weight 2050 lbs.
93 Leg Twgn fmic, vf34, etc. ((sold))
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magicmike
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Post by magicmike »

I noticed the same thing with my apexi. I at leaste have two programable settings.
-Mike

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Subtle
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Post by Subtle »

I haven't checked it at the low setting, which is set as low as it will go.

That's at 7.5
Subtle (normally aspirated engines suck):
05 Legacy GT Wagon with Cobb chip.
62 Alfa Romeo Spider- had a 1.6 L with 80 hp, now 2 L with 160 torque. Curb weight 2050 lbs.
93 Leg Twgn fmic, vf34, etc. ((sold))
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biggreen96
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Location: Moscow, ID and Pullman WA
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Post by biggreen96 »

I get that too, apexi. It can usally relearns decently though.
You have to drive and you and have to try if you want the win, you don't achieve anything if you just cruise around - Jari-Matti Latvala
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