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I got my 83 280zxt started again after cranking on it a while and it ran better for some reason?? I can rev it now but not past 5.5k and my boost gauge isn't doing @!#$ and i don't hear it either(the turbo that is) The guy said he bought a new one and put it on and it was working?? but it sat for 2 months, did it freeze? Well my boost gage was moving some what i hit the gas and it moved up barely and then the psi would go into negitive. So . hmm... mabey turbos aren't as loud as i think? mabey it works and i don't know about it?
 

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the car has to be under load...

just reving it isn't going to make that turbo spool... you have to be moving to get any boost...



Dan
 

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Re: the car has to be under load...

One thing that has to be done after installing a turbo is to pre oil the unit before starting it up. If this is not done properly the unit will not spin and may seeze up. If you can remove the intake duct, reach in and try to turn the impeller. If it turns freely there is some other problem. But to be sure of a free impeller this should be done first.
 
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