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 Post subject: NLA parts remanufactured
PostPosted: Tue Sep 10, 2019 9:26 pm 
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Model: 924 turbo
Just had these made.The old plastic ones in my ex-white turbo were totally U/S.Threads had given up, and wouldnt tighten.I had to use a set from another car to sell it.Obviously leaving a MK2 without.Part is NLA and have spent 3 months looking for good old parts.Problem is, as a previous post demonstrates, they tend to weld themselves into block and removing destroys them.
https://porsche924.co.uk/forum/viewtopi ... 18&t=33320
Local guys who make prototype aerospace components machined them.Dont ask how much. :scared:


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inserts 001.jpg
inserts 001.jpg [ 1.35 MiB | Viewed 259 times ]

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 Post subject: Re: NLA parts remanufactured
PostPosted: Tue Sep 10, 2019 9:52 pm 
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Joined: Sat Jan 30, 2010 11:13 pm
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Location: Somerset
Model: TheOnly Way Is Turbo
Dr John has just got a new toy. I bet he could replicate them in ally for pennies :whistle:

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1980 924 Turbo Series 1 - Alpine White & Guards Red
Omega forged pistons, lightened and balanced bottom end, ARP studs + Cometic MLS HG, Piper fast road cam, K27/26 3257 hybrid turbo, 951 ducted FMIC, Custom intake manifold, Mittelmotor dizzy & cam pulley, Adj boost - dyno’d at 225bhp @ 1.0bar on previous CGT turbo, Engine datalogged and on boost fuel enrichment managed with Zeitronix ZT2 & Phormula KS4 knock sensor, 944 turbo all alloy radiator, Hayward & Scott custom tapered race exhaust, GAZ Gold coilovers, Fuch'ed up, Quaife LSD
2017 VW Passat Variant GTE Advance - the daily load lugger and mile muncher
2015 Nissan Leaf Tekna - it builds trees when we drive it


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 Post subject: Re: NLA parts remanufactured
PostPosted: Tue Sep 10, 2019 9:54 pm 
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Location: emsworth hampshire
Model: 924 gt 924 n/a
Nice work they don't look cheep.
Always Great to see nla parts being made independently :beer:

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 Post subject: Re: NLA parts remanufactured
PostPosted: Tue Sep 10, 2019 11:40 pm 
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Model: 924 turbo
Carrera RSR wrote:
Dr John has just got a new toy. I bet he could replicate them in ally for pennies :whistle:

I thought they were going to be ally.However they chose brass.Im pretty sure original plastic ones, were partly responsible for some bad running issues too.

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 Post subject: Re: NLA parts remanufactured
PostPosted: Tue Sep 10, 2019 11:41 pm 
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johnboy wrote:
Nice work they don't look cheep.
Always Great to see nla parts being made independently :beer:

£170.

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 Post subject: Re: NLA parts remanufactured
PostPosted: Wed Sep 11, 2019 8:20 am 
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coomo wrote:
johnboy wrote:
Nice work they don't look cheep.
Always Great to see nla parts being made independently :beer:

£170.


I was expecting double that....

The plastic ones are not great. Mine were in good condition and I resealed them into my head with some Loctite thread sealer to avoid air leaks. Someone on here made some iirc from ally quite some time ago?? Dr John or Wes??

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Steve
1980 924 Turbo Series 1 - Alpine White & Guards Red
Omega forged pistons, lightened and balanced bottom end, ARP studs + Cometic MLS HG, Piper fast road cam, K27/26 3257 hybrid turbo, 951 ducted FMIC, Custom intake manifold, Mittelmotor dizzy & cam pulley, Adj boost - dyno’d at 225bhp @ 1.0bar on previous CGT turbo, Engine datalogged and on boost fuel enrichment managed with Zeitronix ZT2 & Phormula KS4 knock sensor, 944 turbo all alloy radiator, Hayward & Scott custom tapered race exhaust, GAZ Gold coilovers, Fuch'ed up, Quaife LSD
2017 VW Passat Variant GTE Advance - the daily load lugger and mile muncher
2015 Nissan Leaf Tekna - it builds trees when we drive it


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 Post subject: Re: NLA parts remanufactured
PostPosted: Fri Sep 13, 2019 4:07 pm 
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Model: 924 turbo
So today I thought id fit these.However,after 35 plus years, the threads in the head were oxidised, and not in the best condition.Its very easy to destroy ally threads,plus the brass insert, wont help clear the threads like steel does.First job was to blank holes in head to prevent ingress of swarf.
I used a panel clip, covered in copper grease to block hole.It was a nice snug fit.
Then carefully inserted 24mm (1.5pitch) tap.Making sure to keep it square and gently cleaned threads.
Removed tap, blew out with air.Wrapped insert with PTF tape.They all snugged in lovely with only finger pressure required to seat them.


Attachments:
bell and insulators 003.jpg
bell and insulators 003.jpg [ 1.76 MiB | Viewed 132 times ]
bell and insulators 005.jpg
bell and insulators 005.jpg [ 1.25 MiB | Viewed 132 times ]
bell and insulators 007.jpg
bell and insulators 007.jpg [ 1.5 MiB | Viewed 132 times ]
bell and insulators 008.jpg
bell and insulators 008.jpg [ 2.62 MiB | Viewed 132 times ]

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 Post subject: Re: NLA parts remanufactured
PostPosted: Fri Sep 13, 2019 8:02 pm 
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Joined: Tue Dec 29, 2009 11:16 am
Posts: 3789
Location: Stoke On Trent
Model: Supercharged 924
Very nice!

£170 isn’t bad for a one off set of parts like those and look beautiful! I do have a new toy (CNC lathe and Mill) but I’m yet to make a single thing with it yet! Not even a test piece!!

:beer:

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924T engine with Eaton M90 Supercharger (DB7), 565cc injectors, coil pack ignition, Adaptronic ECU, Custom Air/water charge cooler, Wideband O2 + 4x EGT. 4pot Brembos, Spax adjustable dampers. 951 G'box with LSD & cooler, 944T style bumper. HID Lo-Pro headlights. 968 mirrors, handles + spoiler. Zender rear valance. Custom side skirts, Forged 17" wheels (8J front, 9J rear). Custom hubs (5x114.3 PCD), Twin circuit coolant re-route (2 pumps, 2 'stats, 2 radiators), 6 gauge centre console.


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 Post subject: Re: NLA parts remanufactured
PostPosted: Fri Sep 13, 2019 11:45 pm 
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Model: 924 turbo
Yup.Me too.Used to be able to use one at school.Now days not so much!.Must reserve some time,to become familiar again.


Attachments:
wiring lathe 001.jpg
wiring lathe 001.jpg [ 1.39 MiB | Viewed 87 times ]

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