Quote:
Originally Posted by supra.7mgte
so im pretty sure i really blew the turbo up... just wanted to make sure.
well i ran it hard at about 15psi a couple of nights ago and heated it up pretty good and start loosing boost in third and fourth gear and then the next day made a second pull and spike way up to 20 psi and then the boost fell to 8 psi and stayed there and wouldnt boost higher. it was pour smoke out under WOT and even more under decel. then it will puff a little at idle and a fair bit on start up.there is quite a of shaft play in all directions. and i get a high pitched noise under boost as well.
the engine still runs and drives fine.
does this sound like its a blown turbo or anything else? and is there a sure way to tell with out pulling the turbo off the car?
thanks for the help in advance
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if you have shaft play up and down then your turbo is shot
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92 miata 7mgte swap  forged pistons,studded mhg, 3 inch dp with a glass pack,blowthrough MAF-T,550cc inj, act stage 2 clutch, fmic kit, greddy rs, full wire tuck, rx7 lsd rear with 4.10s. 15psi "ct26-A"??(waiting on dyno #s) if anyone knows whats up with my turbo let me know it has a larger comp wheel nicer machining and 6 dual fins rather than 5? its confusing and keep finding too much contradicting info. would LLLLLOOOOOOOOVVVVVVVEEEEE a compressor map
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