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SBK930's Avatar
 
Join Date: Jul 2016
Location: Australia / Straya
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Scavenge pump

Today I had a chat with a rebuilder of turbos and he was well versed with my K27 7006. From what he discussed with me suggests that unless the bearing has let go it was unlikely that the turbo is the problem. He suggested the issue could be more to do with the scavenge pump.
Question is can I test if it works once I remove it as now the exhaust,catch return can, turbo and intercooler have been removed.
Secondly can a scavenge pump be rebuilt as I read that they are no longer in production.

Thanks sbk930.

Old 11-22-2016, 09:18 PM
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Turbofrog
 
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You test it when engine is running with external bottle/canister to see the level, so not really possible to test otherwise. There are sealing kits for the pump and if the dovelpin has gone bad you can use some other similar size parts. There are threads for testing/rebuilding here if you search.
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79 930: HX40Super, MS3pro+ID1000+044+E85, Ignition: 123/TUNE/MSD6A, BB+2*turbosmart38, WMI. Weight 1110kg
Old 11-22-2016, 10:04 PM
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Quote:
Originally Posted by smurfbus View Post
You test it when engine is running with external bottle/canister to see the level, so not really possible to test otherwise. There are sealing kits for the pump and if the dovelpin has gone bad you can use some other similar size parts. There are threads for testing/rebuilding here if you search.
Thanks smurfbus.
Old 11-22-2016, 11:32 PM
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If the test fails, Clewett has a very good aftermarked scavenge pump
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1979 930: Garret GT35r turbo, EFI, carerra intake, Link EMS, custom GT2 cams, 98mm JE P/C, 964 crank (stroker), custom valves & ported (XtremeCylinderHeads) etc..etc..
1972 914-6 GT replica project
1986 944 Turbo
Old 11-23-2016, 01:17 AM
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Turbofrog
 
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But spendy. I also thought about purchasing it as it has cam timing setup for EFI.
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79 930: HX40Super, MS3pro+ID1000+044+E85, Ignition: 123/TUNE/MSD6A, BB+2*turbosmart38, WMI. Weight 1110kg
Old 11-23-2016, 01:25 AM
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its easy to rebuild. not a bad idea is it leaks oil\
don't forget the crush washers
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86 930 42kmiles [__] RUNNING:[__] NOT RUNNING: ____77 911S widebody: SOLD
88 BMW 325is 200K+ SOLD
05 BMW 330CI 130K:: [__] RUNNING: [__] NOT RUNNING:
08 VOLVO V70 190K:: [__] RUNNING: [__] NOT RUNNING:
90 B2200[__] RUNNING:[] NOT RUNNING:__2000 MER E320 WAGON [] WRECKED:[]RUNNING:
Old 11-23-2016, 04:51 AM
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there are seals on the shaft that keep oil from leaking out. they look like little piston rings, there are 2 on each end. they can and will leak oil.
if you have your muffler off check the shaft for play. if oil is coming out, have it rebuilt.
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86 930 42kmiles [__] RUNNING:[__] NOT RUNNING: ____77 911S widebody: SOLD
88 BMW 325is 200K+ SOLD
05 BMW 330CI 130K:: [__] RUNNING: [__] NOT RUNNING:
08 VOLVO V70 190K:: [__] RUNNING: [__] NOT RUNNING:
90 B2200[__] RUNNING:[] NOT RUNNING:__2000 MER E320 WAGON [] WRECKED:[]RUNNING:
Old 11-23-2016, 04:55 AM
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Just re-sealed mine. It's a piece of cake. TurboKraft sells the seal kit for it.

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'79 930 turbo RoW - Oak Green Metallic - k27-7200 - Kokeln Intercooler - RarlyL8 headers/muffler - Leask WuR - Tial 46mm - Rebel racing bushings front/rear - ER Monoballs front/rear - ER adjustable spring plates - 29/23mm TBs - Wevo engine mounts - Rebel racing transmission mounts - Ruf speelines 17x9-10
'99 4Runner Sr5
Old 11-23-2016, 07:13 AM
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