Ok intercooler is all clean and back in no holes cracks or nothing to it. When putting it back in checked all hose's again they are good. Still the same. I'm gonna let it cool down a bit then wire the waste gate closed and take it for a lite drive down the street. Ordered a new map sensor yesterday.
Need help can't get any boost
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BlackBandit
God loves Buicks!
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You might be better off with a new boost guage. The factory ones tend to be pretty inacurate.
BlackBandit
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That map sensor has nothing to do with the car making boost. All it does is supply the gauge with a signal. Like jerryl asked. Does it feel like 5psi? You should be able to tell without the guage if the turbo isn't spooling. Try wiring the wastegate shut. It's still early over there!!
BlackBandit
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Did the car perform the exact same with it shut and open? Did it sound the same? (turbo wise I mean) What air filter setup do you have? Is there any way you could open that up and make sure it's not restricted? If it's not the waste gate and you don't have exhaust or intake leaks then that's about that. Let us know. james
BlackBandit
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What about the noise and performance during the wastegate test? Any difference?
Here's the deal. If you're sure of the following then you have a bad turbo. The way you describe the turbo though I don't think that's it. I think you missed something (happens to everyone) and when you find it you'll find the problem.
1. No restrictions on the inlet side of the turbo.
2. No exhaust leaks pre-turbo.
3. Wastegate puck is sealing properly.
4. No leaks or blockages in the intercooler/piping setup.
5. No restrictions in the exhaust.
6. All you're boost sensing hardware is working.
Six is about the only thing you haven't ruled out. Do you hear the turbo spool? Does it feel like only 5 pounds of boost? Can you get a mechanical gauge and check? Usually when a turbo goes out it seizes or it scrapes the housing. Since that hasn't happened I doubt it's the turbo. Please double check some of these things and let us know.
P.S. I know this if frustrating but look on the bright side, you still get to drive your car. I'm waiting to get parts because some punk stole a bunch of stuff from me. Keep your head up, you'll get it fixed. james
Here's the deal. If you're sure of the following then you have a bad turbo. The way you describe the turbo though I don't think that's it. I think you missed something (happens to everyone) and when you find it you'll find the problem.
1. No restrictions on the inlet side of the turbo.
2. No exhaust leaks pre-turbo.
3. Wastegate puck is sealing properly.
4. No leaks or blockages in the intercooler/piping setup.
5. No restrictions in the exhaust.
6. All you're boost sensing hardware is working.
Six is about the only thing you haven't ruled out. Do you hear the turbo spool? Does it feel like only 5 pounds of boost? Can you get a mechanical gauge and check? Usually when a turbo goes out it seizes or it scrapes the housing. Since that hasn't happened I doubt it's the turbo. Please double check some of these things and let us know.
P.S. I know this if frustrating but look on the bright side, you still get to drive your car. I'm waiting to get parts because some punk stole a bunch of stuff from me. Keep your head up, you'll get it fixed. james
I will go over it all again and start from scratch if that dosent do I'm taking the car to a guy that is about an hour north of where I am he is a specialist in these cars in wa. Feel free to check out his site John's Performance - Your Turbo Trans Am and Grand National Specialists... thanks for the information of this person "pete"
BlackBandit
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I've heard nothing but good about him. I hope you get it fixed on your own though. Please let me know what happens. james
Ok I am the happiest guy in town we are up and running better then ever. Some thing in the exaust was clooged up jus spent the big bucks and had it all redone fired it up droped it in drive put one foot on the break and the other on the gas and the white smoke from the tires poured out. You can't believe how happy I was. Thanks to everyone that had a hand in me figuring this problem out and you all will be sure to here from me as I do some upgrades now. Thanks all!!!!
SouthernCal GN
I come in peace....AK AK
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Was it like the smoke show when I left your house last week:biggrin: ?
Your neighbor looked kinda confused..........sending you a PM....
Hi yes just like that it was great. Man I love this feeling its great.
SouthernCal GN
I come in peace....AK AK
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BlackBandit
God loves Buicks!
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Great news man. I'm glad your boost is back!! Have fun. james
Oh crap you live there...most of those people are really up tightI can see it now..........a large permanent fog bank over the Renton Highlands....
Glad you got it figured out :biggrin:
