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KKK K26 compressor wheel technical drawings needed please

 
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Carrera RSR  



Joined: 08 Jan 2010
Posts: 1535
Location: Somerset, UK

PostPosted: Wed Feb 21, 2018 8:50 pm    Post subject: KKK K26 compressor wheel technical drawings needed please Reply with quote

Anyone have the KKK technical drawings with dimensions for the following compressor wheels?

2470 - have wheel - no KKK drawing
2660 - need wheel - no KKK drawing
2664 - wheel on its way - no KKK drawing
2670 - have wheel - have KKK drawing

They clearly differ in dimensions as the relative compressor housings all have differing part numbers. Would be great to see drawings and physical wheels to see the differences and what parts are potentially interchangeable if at all.

Thanks in advance.......
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1980 931 - forged pistons, Piper cam, CGT turbo, 951 ducted FMIC, custom intake, Mittelmotor dizzy & cam pulley, H&S exhaust, GAZ Gold, Fuch'ed, Quaife LSD
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Dutch924-racer  



Joined: 23 Jul 2007
Posts: 1000
Location: The Netherlands

PostPosted: Sat Feb 24, 2018 4:50 pm    Post subject: Reply with quote

What project are you working on ?
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937 trackday car
Series 2 engine
951S turbo and intercooler
937 DITC
Fast road camshaft
Forge recirculation valve + boost controller
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Carrera RSR  



Joined: 08 Jan 2010
Posts: 1535
Location: Somerset, UK

PostPosted: Sat Feb 24, 2018 7:16 pm    Post subject: Reply with quote

Dutch924-racer wrote:
What project are you working on ?


Just want to compare wheels out of curiosity. Dimensions. Shapes. See what differences exist. Check if my existing wheel is as the re builder said it was, a 2660 or not. Maybe instal the 2670 wheel I have, understand the machining required of the housing. Looking for facts not opinion and hearsay. Will pass on info to Cedric who is doing some efficiency modelling.
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1980 931 - forged pistons, Piper cam, CGT turbo, 951 ducted FMIC, custom intake, Mittelmotor dizzy & cam pulley, H&S exhaust, GAZ Gold, Fuch'ed, Quaife LSD
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gegge  



Joined: 27 Jul 2007
Posts: 1020
Location: Sweden

PostPosted: Sat Feb 24, 2018 8:36 pm    Post subject: Reply with quote

I got a 2660-4.1 turbo on the shelf and can take some measurements, if you want me to but not interested parting/selling the wheel only.
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Carl Fredrik Torkildsen

924 turbo -81 Carrera GT clone LSD Coilovers
924 -85 DP kit, BBS RS, M030 and tuned engine
924s -86 Black on black with low ET "Phonies"
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Carrera RSR  



Joined: 08 Jan 2010
Posts: 1535
Location: Somerset, UK

PostPosted: Sun Feb 25, 2018 12:48 am    Post subject: Reply with quote

gegge wrote:
I got a 2660-4.1 turbo on the shelf and can take some measurements, if you want me to but not interested parting/selling the wheel only.


Measurements and photos would be really helpful please.
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1980 931 - forged pistons, Piper cam, CGT turbo, 951 ducted FMIC, custom intake, Mittelmotor dizzy & cam pulley, H&S exhaust, GAZ Gold, Fuch'ed, Quaife LSD
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gegge  



Joined: 27 Jul 2007
Posts: 1020
Location: Sweden

PostPosted: Sun Feb 25, 2018 2:26 am    Post subject: Reply with quote

2660 compressor wheel

Height of tip: 3,9mm
Height from backplate: ~22mm
Radius of inlet: ~20mm
Thickness of blade: 1,5mm
Inducer: 39,8mm
Exducer: 66,0mm

Note: the backplate is counterbored and the flatback compressorwheel exducer is therefore in level. The 5326-123-2007 and 5326-123-2017 wheels are 5,2mm according to unknown (but trusted) source.

5326-123-2006, 5326-123-2016 & 5326-123-2035 are 7,2mm
5326-123-2010, 5326-123-2019 & 5326-123-2038 are 6,3mm
5326-123-2039 from 951 is unknown but also flatback. Worth to investigate...
5326-123-2201 from 951S is a superback but measure 4,9mm

EDIT: http://www.turbomaster.info/eng/applications/compressor_3k.php
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Carl Fredrik Torkildsen

924 turbo -81 Carrera GT clone LSD Coilovers
924 -85 DP kit, BBS RS, M030 and tuned engine
924s -86 Black on black with low ET "Phonies"
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Dutch924-racer  



Joined: 23 Jul 2007
Posts: 1000
Location: The Netherlands

PostPosted: Sun Feb 25, 2018 7:06 am    Post subject: Reply with quote

you will als will find some wheel on Aliexpress, anyone tried them ?

https://nl.aliexpress.com/item/K26-5326-123-2036-39-71-65-94mm-6-6-BLADES-prestaties-turbo-aluminium-2024-frezen/32841399520.html?spm=a2g0z.search0104.3.19.77cd2809OzNhsg&ws_ab_test=searchweb0_0%2Csearchweb201602_5_10152_10151_10065_10344_10068_10342_10343_10340_10341_10084_10083_10618_10630_10304_10307_10301_5722316_5711213_10313_10059_10534_100031_10103_10627_10626_10624_10623_10622_10621_10620_5711313_10142%2Csearchweb201603_25%2CppcSwitch_5&algo_expid=e07e24b4-f59d-4e38-a1a4-82806ff41261-3&algo_pvid=e07e24b4-f59d-4e38-a1a4-82806ff41261&transAbTest=ae803_5&priceBeautifyAB=0
_________________
937 trackday car
Series 2 engine
951S turbo and intercooler
937 DITC
Fast road camshaft
Forge recirculation valve + boost controller
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Carrera RSR  



Joined: 08 Jan 2010
Posts: 1535
Location: Somerset, UK

PostPosted: Sun Feb 25, 2018 7:23 am    Post subject: Reply with quote

Similar on eBay too
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1980 931 - forged pistons, Piper cam, CGT turbo, 951 ducted FMIC, custom intake, Mittelmotor dizzy & cam pulley, H&S exhaust, GAZ Gold, Fuch'ed, Quaife LSD
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Then www.924board.org/viewtopic.php?t=31252
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