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Boost gets lower as car gets warmer

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Old Jul 25, 2003 | 09:00 PM
  #1  
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From: wisconsin
Boost gets lower as car gets warmer

Ok so I fix all the other problems I'm having and now as the car gets warmer my boost gets lower over time.When i first start out I'm hitting 10lbs. Then a few mins later its boosting to 7lbs.Then by the time its all the way warm its only running 5lbs.It wont ever go lower then 5lbs but after the car has beeen running for about 20 mins or so it wont go any higher then 5 lbs.?????

Heres what done to the car.
Double throttle removed
PoorMans non sequential set up.

ON a side note there is this funny clicking noise coming from somewhere. Sounds kinda like an exhaust leak sorta.But i dont think its an exhaust leak.It clicks when you accelerate.
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Old Jul 25, 2003 | 09:21 PM
  #2  
Rx-7$4$me's Avatar
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Tenured Member 05 Years
 
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From: Chicago IL
It sounds like one or a number of your solenoids on your solenoid rack start to stick or fail when they are heated up. worst comes to worst u gotta take out each solenoid, do a voltage test on em, throw em in the oven, and do it again and see which one fails.

Its a possibility that this is your problem.
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Old Jul 25, 2003 | 09:21 PM
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BigIslandSevens's Avatar
Eats, Sleeps, Dreams Rotary
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From: Denver, NC
I have an exhaust leak between the engine and exhaust manifold. It kinda sounds like a bubble-maker. Or like when I used to put playing cards in my bike spokes.LOL! It increases when engine rpm's increase. Try taking off the turbo heat shield and feel for a leak. (It was easier for me to locate the leak with the shields off) My secondary is down to 5 or so. Since yours gets worse as it gets warmer, I would try checking the IC couplers. Maybe they spring a leak when they get hot. Good luck
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Old Jul 25, 2003 | 09:40 PM
  #4  
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From: wisconsin
Yeah thats the clicking noise it makes.Sounds just like cards in your bike spokes.And the only solenoid I'm using is the boost one.I have the non sequential set up running.What other solenoids would be doing anything anymore?
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Old Jul 29, 2003 | 05:11 AM
  #5  
Cetchup's Avatar
The Cursed FD
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From: CA
I have the same problem. The noise comes from right near the turbos, sounds like cards in bike spokes and power seems very minimal. Does anyone have a write up on how to pull off the y-pipe and other parts to get to the turbos? I wanna try to figure this out myself.
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