Lightning

Loss of Boost???

Old Jun 13, 2001 | 09:23 PM
  #1  
HyE_BoLt's Avatar
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From: California
Angry Loss of Boost???

Whats up guys. Was driving the L yesterday and gunned it from right around 20. Once it got to the shift, i heard a considerably loud "psssssssssss" (kinda like when a truck with air brakes stops). It felt like the truck was gasping for air after it shifted into second. I haven't really noticed this before, but mabye it's normal, mabey its not. Any input is appreciated.
 
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Old Jun 13, 2001 | 09:50 PM
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From: Cuttin' Heads with Jack Butler at the CrossRoads!
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If you were manually shifting it into 2nd, you probably hit the rev limiter. I did that once myself and the truck felt like it fell flat on its face. I just leave it in drive now.

Bob
 
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Old Jun 13, 2001 | 10:18 PM
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From: California
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Yea, now that i think about it, i did hit the rev limiter, but i still feel like i lose power at the shift if i just leave it in D.
 
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Old Jun 13, 2001 | 10:33 PM
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Lightbulb

It happens occasionally especially with a chip. It hits the rev limiter and the computer holds out the blower for a few (15?) seconds. Not a big deal unless you're munching on a Z28 or something.

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Old Jun 13, 2001 | 10:50 PM
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From: Lombard , IL USA
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you can always disconnect the boost solenoid and you'll have boost without the fear of running a LT1 and hitting it and getting spanked... I know the feeling as I like to do a decent smoke show of the tires and I hit the rev limiter in the smoke show and ran a 17.05 against a 15.50 S-10... Pissed me off so the solenoid stays disconnected now...

Later, Justin

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Old Jun 14, 2001 | 02:11 PM
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Question

Anybody got pics or instructions for disconnecting the solenoid? Is there any danger of hurting the motor by doing so?

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Old Jun 14, 2001 | 02:47 PM
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It's located almost directly behind the intake on the firewall. I don't have a pic. It's there to cut boost in case of an emergency. It's ok to unplug it to race, but I would plug it back in for long trips. It opens a "relief" butterfly on the back of the intake when cruising to allow air to skip the blower, therefore allowing cooler uncompressed air into the motor.

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Old Jun 14, 2001 | 03:04 PM
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There is also a way to run a by-pass which allows you to keep it connected. Haven't taken the time to do it yet or figure it out. Anybody out there have a step by step?
 
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