Lb7 turbo ??
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Lb7 turbo ??
Hey guys, i have a 2002 lb7 that has roughly 275,000 miles with ppe boost valve, 4 inch turbo back exhaust with the ppe hot 2 tuner... love the truck but yesterday i shut it off and didn't start it until this morning... when i parked it everything ran perfect... today i have no boost and it makes sort of a straining moaning noise right about when the truck should be building boost... i checked all the intercooler tubes and it doesn't look like i have an air leak... truck sounds fine at idle... not sure if the turbo siezed? is that common? any ideas
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also i took my intake of and watch the turbine while it was running. it still spins but it almost looks like the shaft isn't spinning true... it looks like its spinning off center...so im guessing the turbo is shelled.. and if it is what would you guys recommend turbo wise.
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also i took my intake of and watch the turbine while it was running. it still spins but it almost looks like the shaft isn't spinning true... it looks like its spinning off center...so im guessing the turbo is shelled.. and if it is what would you guys recommend turbo wise.
Last edited by tfunk22008; 07-08-2013 at 02:14 PM. Reason: Automerged Doublepost
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an upgraded turbo if nothing else changes should lower EGT. more air will lower EGT. if you get a larger turbo and it is slow to spool then you will have a short period of higher temps. but the moment it builds boost then temps will come down. if it is a faster spooling turbo then you may only see higher temps on the top end.
if you are running any more HP over stock you should have an EGP anyways
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if you go with a stock charger replacement then it should be bolt on. if you go with a non standard one like the S366 then you will need to replace the down pipe, intake horn, redo some of the turbo oil lines and purchase a turbo pedestal. there are kits that contain all of the needed parts to replace one like this.
if you are running any more HP over stock you should have an EGP anyways
---AutoMerged DoublePost---
if you go with a stock charger replacement then it should be bolt on. if you go with a non standard one like the S366 then you will need to replace the down pipe, intake horn, redo some of the turbo oil lines and purchase a turbo pedestal. there are kits that contain all of the needed parts to replace one like this.
Last edited by 2004LB7; 07-15-2013 at 12:58 PM. Reason: Automerged Doublepost
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