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Does my turbo need a re-build?

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Old 04-13-05, 01:52 PM
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Does my turbo need a re-build?

Ok ive searched and asked about this a couple times. i have a 89 turbo, rb exhaust, greddy FMIC, walbro, safc, intake and some more. when i boost it the boost shoots to 11 psi, then gradually falls to about 5 by the time im at redline. does this mean i need a new turbo or just maybe port the wastgate?
Old 04-13-05, 01:58 PM
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boost falling is normal...u need a boost controller to keep the boost constant at redline...to check if ur turbo needs a rebuild..take the TID out...wiggle the turbine shaft to see if u can move it any...then take the IC off and check if there are any excessive deposite of oil in the IC or the pipings
Old 04-13-05, 02:02 PM
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Dropping boost isnt normal on my 89 T2. Just check the shaft play, scarring on the housing, and for oil residue like said above.
Old 04-13-05, 02:02 PM
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I have a boost controller...its only the turbo xs manual though. ive heard if i get an electronic i can make it constant.
Old 04-13-05, 10:54 PM
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ok i kinda thread jacking my own thread, but i was looking at rx7.com today and noticed the FC1000 by Jacobs Electronics. its in the ignition section and it amplifies the spack. i was wondering if anyone has this or knows of anyone who does know about it and how it works.
Old 04-14-05, 02:31 PM
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anyone heard about it?
Old 04-14-05, 03:29 PM
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Next time search http://fc3spro.com/TECH/MODS/IGN/cdi.htm
Old 04-14-05, 09:31 PM
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where do you get the Crane Cams fireball HI-6 ign. box?
Old 04-14-05, 10:05 PM
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i think summit racing sells them.....dont ppl google or yahoo anymore these days?
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