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931 S3
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Rasta Monsta  



Joined: 12 Jul 2006
Posts: 11697
Location: PacNW

PostPosted: Mon Nov 30, 2020 3:15 am    Post subject: 931 S3 Reply with quote

On the way...


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  • WeiBe (1987 924S) - 931 S3
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Carrera RSR  



Joined: 08 Jan 2010
Posts: 2274
Location: Somerset, UK

PostPosted: Mon Nov 30, 2020 6:15 am    Post subject: Reply with quote

Looking forward to more info
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1980 931 - forged pistons, Piper cam, K27/26 3257 6.10 hybrid turbo, 951 FMIC, custom intake, Mittelmotor dizzy & cam pulley, H&S exhaust, GAZ Gold, Fuch'ed, Quaife
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morghen  



Joined: 21 Jan 2005
Posts: 8667
Location: Romania

PostPosted: Wed Dec 02, 2020 5:52 pm    Post subject: Reply with quote

+924
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Mike9311  



Joined: 14 Dec 2004
Posts: 1390
Location: Chicago-ish

PostPosted: Sun Dec 06, 2020 4:24 am    Post subject: Reply with quote

couldn't stay away
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1980 931 since 1989
1981 Ideola 931 Club Sport
1982 931 Entwicklungsfahrzeug
1979 924 NA ohne 650 mit 471
1982 931 Red Resurrection - 951 IC
1982 931 parts car / resurrection?
1980 924 NA (R&D lightweight)
1982 931 wana-be GTR race car
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Rasta Monsta  



Joined: 12 Jul 2006
Posts: 11697
Location: PacNW

PostPosted: Wed Jan 20, 2021 3:19 am    Post subject: Reply with quote

Album.
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  • WeiBe (1987 924S) - 931 S3
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morghen  



Joined: 21 Jan 2005
Posts: 8667
Location: Romania

PostPosted: Wed Jan 20, 2021 4:18 am    Post subject: Reply with quote

Rasta Monsta wrote:
Album.


Awesome build!
Hope you’re enjoying it.
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Rasta Monsta  



Joined: 12 Jul 2006
Posts: 11697
Location: PacNW

PostPosted: Sun Jan 24, 2021 8:33 am    Post subject: Reply with quote

So fast, so smooth.

Unreal.

For all the effort and expense I put into Shaggy, I could have built this car twice.
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  • WeiBe (1987 924S) - 931 S3
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morghen  



Joined: 21 Jan 2005
Posts: 8667
Location: Romania

PostPosted: Sun Jan 24, 2021 4:47 pm    Post subject: Reply with quote

Applies to me building my red GTS wannabe vs buying a real CGT when prices were low. Or selling what was left of the wreck and buying a Cayman.
But i do not regret building my iron hero and you shouldnt either.
The iron lump will always have a place next to my heart...thats why i built the current one...its un-efficient and lacking in may ways but it compensates by simply making me happy.
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Carrera RSR  



Joined: 08 Jan 2010
Posts: 2274
Location: Somerset, UK

PostPosted: Sun Jan 24, 2021 6:52 pm    Post subject: Reply with quote

Have you worked out the two vertical nose panels either side of the fmic need to be bent outwards to avoid the vents of the turbo badge panel??

Are you going to use the 944 turbo intercooler ducting? I would recommend it.
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1980 931 - forged pistons, Piper cam, K27/26 3257 6.10 hybrid turbo, 951 FMIC, custom intake, Mittelmotor dizzy & cam pulley, H&S exhaust, GAZ Gold, Fuch'ed, Quaife
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Paul  



Joined: 02 Nov 2002
Posts: 9489
Location: Southeast Wisconsin

PostPosted: Mon Jan 25, 2021 11:35 am    Post subject: Reply with quote

Congrats, nicely done!
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Silver 98 986 3.6l 320 HP "Frank N Stein"
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Porsche: It's not driving, it's therapy.
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Rasta Monsta  



Joined: 12 Jul 2006
Posts: 11697
Location: PacNW

PostPosted: Fri Feb 12, 2021 6:57 am    Post subject: Reply with quote

Carrera RSR wrote:
Have you worked out the two vertical nose panels either side of the fmic need to be bent outwards to avoid the vents of the turbo badge panel??


I'll be notching those vertical pieces for the time being, and hopefully add later the little side scoops used on the 931.

Not ducting at this time, although I may seal around the IC to force more air through it.
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Carrera RSR  



Joined: 08 Jan 2010
Posts: 2274
Location: Somerset, UK

PostPosted: Fri Feb 12, 2021 6:53 pm    Post subject: Reply with quote

Rasta Monsta wrote:
Carrera RSR wrote:
Have you worked out the two vertical nose panels either side of the fmic need to be bent outwards to avoid the vents of the turbo badge panel??


I'll be notching those vertical pieces for the time being, and hopefully add later the little side scoops used on the 931.

Not ducting at this time, although I may seal around the IC to force more air through it.


I bent my verticals outwards to clear the outer badge panel vents before welding them.

You should see OK cooling without the duct if its primarily used on the road with sporadic boost. The IC is hefty in size and weight and doesn't heat soak easily. Ducting may be needed if using in anger to help cool the IC more. Doing this on mine gives an IC outlet air temp circa 6-8degC above ambient with inlet temps on WOT over 100degC. Was higher without ducting.

I'll be going down the same route on the CGT race rep car too


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1980 931 - forged pistons, Piper cam, K27/26 3257 6.10 hybrid turbo, 951 FMIC, custom intake, Mittelmotor dizzy & cam pulley, H&S exhaust, GAZ Gold, Fuch'ed, Quaife
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Rasta Monsta  



Joined: 12 Jul 2006
Posts: 11697
Location: PacNW

PostPosted: Sat Feb 13, 2021 12:44 am    Post subject: Reply with quote

Interesting, thanks for the picture.

I'll let you know how it works. Keep in mind the 2.5 is much cooler blooded....
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Cedric  



Joined: 27 Aug 2004
Posts: 2414
Location: Sweden

PostPosted: Sat Feb 13, 2021 1:25 am    Post subject: Reply with quote

The effiiency of the intercooler is based on temperatures and flow. So running at 1 bar of boost on a 2l or 2,5l creates the same temp, but more air flow (due to the capacity) on 2,5 makes it a bit more challenging.

Except if you try to push the worst of the 931 turbos like the 2470, then it will be more heat to handle of course.

Time for a friday beer!
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chuck21401  



Joined: 20 Feb 2005
Posts: 485
Location: Annapolis, MD

PostPosted: Sat Feb 27, 2021 2:36 am    Post subject: Reply with quote

Rasta Monsta wrote:
Album.


We need video from the cockpit...zero to 120. TIA.
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