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Shurick's 931 build
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Shurick  



Joined: 15 May 2005
Posts: 482
Location: Russia, Moscow.

PostPosted: Sun Aug 09, 2015 6:33 am    Post subject: Reply with quote

Fasteddie313 wrote:
That is sick!! great work

At 1.4 Bar/20psi you have to be getting around 300 crank hp you think? Maybe a bit more?

According to fuel/air consumption from EFI datalog it must be 320-330 hp. Don't sure it's safe to run so much boost on a nearly stock engine. Also don't know how it will withstand longer drives. It may (and sure it will) demand higher capacity radiator for longer punishment than a one burst with wrong boost controller settings.
P.S. It's time to update my signature.=)
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WBR, Shurick
'79 931 -- intercooled K26-3060-6.10 turbo @ 1.2 bar, EFI+EDIS, 951S brakes, stripped interior, 951 look.
'86 924S -- R.I.P.
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Shurick  



Joined: 15 May 2005
Posts: 482
Location: Russia, Moscow.

PostPosted: Mon Aug 10, 2015 9:00 pm    Post subject: Reply with quote

Sunday drive @1.2 bar =)
https://youtu.be/v_COurZdFlU
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WBR, Shurick
'79 931 -- intercooled K26-3060-6.10 turbo @ 1.2 bar, EFI+EDIS, 951S brakes, stripped interior, 951 look.
'86 924S -- R.I.P.
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Shurick  



Joined: 15 May 2005
Posts: 482
Location: Russia, Moscow.

PostPosted: Wed Aug 26, 2015 8:41 am    Post subject: Reply with quote

Express G31 overhaul: http://www.youtube.com/watch?v=h5ihSjZad8U
Unfortunately, space on SD card ended up during gearbox disassembling. So it's not covered completely.
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WBR, Shurick
'79 931 -- intercooled K26-3060-6.10 turbo @ 1.2 bar, EFI+EDIS, 951S brakes, stripped interior, 951 look.
'86 924S -- R.I.P.
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Fasteddie313  



Joined: 29 Sep 2013
Posts: 1539
Location: Not Detriot - NMI

PostPosted: Wed Aug 26, 2015 10:43 am    Post subject: Reply with quote

Shurick wrote:
Express G31 overhaul: http://www.youtube.com/watch?v=h5ihSjZad8U


Truly awesome..
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1980 931S - LSD - FMIC - GTS fuel - hobby
95 M3 manual coupe - summer DD
06 X5 3.0 auto - winter DD
01 RS25 coupe - 90% Retired
06 MDX - bought for mom to DD
81 Rambler BBC 454
97 Tercel long retired/sitting
77 gs750 - 95 300ex - 89 blaster
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morghen  



Joined: 21 Jan 2005
Posts: 7825
Location: Romania

PostPosted: Wed Aug 26, 2015 5:30 pm    Post subject: Reply with quote

nice, what did you replace?
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Shurick  



Joined: 15 May 2005
Posts: 482
Location: Russia, Moscow.

PostPosted: Thu Aug 27, 2015 8:28 am    Post subject: Reply with quote

morghen wrote:
nice, what did you replace?

Retaining pins on the 2-3 gear fork jammed and fell off so I couldn't engage gears.
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WBR, Shurick
'79 931 -- intercooled K26-3060-6.10 turbo @ 1.2 bar, EFI+EDIS, 951S brakes, stripped interior, 951 look.
'86 924S -- R.I.P.
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kcoyle  



Joined: 16 Jan 2011
Posts: 714
Location: Long Island, NY

PostPosted: Thu Aug 27, 2015 9:15 am    Post subject: Reply with quote

Shurick wrote:
Express G31 overhaul: http://www.youtube.com/watch?v=h5ihSjZad8U


Loved it!
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1982 931- Stock with MBC at 8psi

Relax, all right? My old man is a television repairman, he's got this ultimate set of tools. I can fix it.
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Shurick  



Joined: 15 May 2005
Posts: 482
Location: Russia, Moscow.

PostPosted: Wed Feb 15, 2017 11:45 pm    Post subject: Reply with quote

Almost forgot to tell a story about my new clutch disk.
Spec stage II disc died very fast for some unknown reasons. So I was looking for some alternative and found it for cheap.
Since I use M31/03 flywheel which shares clutch with 944, I can't use direct replacement like Mitsubishi Delica disc, but I manufactured a kit modify it:






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WBR, Shurick
'79 931 -- intercooled K26-3060-6.10 turbo @ 1.2 bar, EFI+EDIS, 951S brakes, stripped interior, 951 look.
'86 924S -- R.I.P.
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Fasteddie313  



Joined: 29 Sep 2013
Posts: 1539
Location: Not Detriot - NMI

PostPosted: Thu Feb 16, 2017 4:35 am    Post subject: Reply with quote

Shurick wrote:
320-330 hp. Don't sure it's safe to run so much boost on a nearly stock engine. Also don't know how it will withstand longer drives. It may (and sure it will) demand higher capacity radiator for longer punishment than a one burst with wrong boost controller settings.


Holding up well? Other than the clutch..
_________________
1980 931S - LSD - FMIC - GTS fuel - hobby
95 M3 manual coupe - summer DD
06 X5 3.0 auto - winter DD
01 RS25 coupe - 90% Retired
06 MDX - bought for mom to DD
81 Rambler BBC 454
97 Tercel long retired/sitting
77 gs750 - 95 300ex - 89 blaster
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peterld  



Joined: 10 Dec 2006
Posts: 685
Location: Noosa Heads QLD Australia

PostPosted: Thu Feb 16, 2017 9:27 pm    Post subject: Reply with quote

Shurick.....so what exactly have you done with the clutch plate?
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80/81 932/8 ROW
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morghen  



Joined: 21 Jan 2005
Posts: 7825
Location: Romania

PostPosted: Thu Feb 16, 2017 10:45 pm    Post subject: Reply with quote

Right, share with us the materials used to make yourself a cheap clutch please.
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Shurick  



Joined: 15 May 2005
Posts: 482
Location: Russia, Moscow.

PostPosted: Fri Feb 17, 2017 10:26 pm    Post subject: Reply with quote

Fasteddie313 wrote:
Shurick wrote:
320-330 hp. Don't sure it's safe to run so much boost on a nearly stock engine. Also don't know how it will withstand longer drives. It may (and sure it will) demand higher capacity radiator for longer punishment than a one burst with wrong boost controller settings.


Holding up well? Other than the clutch..

It runs well on 1.1 bar of boost with no issues at all, but I feel it needs larger radiator. Will try to install two-pass aluminium radiator, bigger injectors and bigger oil cooler. And crank up boost to 1.3-1.4 bar.
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WBR, Shurick
'79 931 -- intercooled K26-3060-6.10 turbo @ 1.2 bar, EFI+EDIS, 951S brakes, stripped interior, 951 look.
'86 924S -- R.I.P.
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Shurick  



Joined: 15 May 2005
Posts: 482
Location: Russia, Moscow.

PostPosted: Fri Feb 17, 2017 10:29 pm    Post subject: Reply with quote

peterld wrote:
Shurick.....so what exactly have you done with the clutch plate?


I made a spacer and heat-treated bolts, drilled out the rivets in clutch and installed spacer.
Much like in this thread, but my spacer is reusable and more solid to accept higher torque.
_________________
WBR, Shurick
'79 931 -- intercooled K26-3060-6.10 turbo @ 1.2 bar, EFI+EDIS, 951S brakes, stripped interior, 951 look.
'86 924S -- R.I.P.
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peterld  



Joined: 10 Dec 2006
Posts: 685
Location: Noosa Heads QLD Australia

PostPosted: Fri Feb 17, 2017 11:37 pm    Post subject: Reply with quote

Yes, I see that...and a very nice job too.
What was the clutch plate from, that you modified? There are no Bronco 11s in Australia, so I'm wondering whether it was a common Euro car.
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Shurick  



Joined: 15 May 2005
Posts: 482
Location: Russia, Moscow.

PostPosted: Sun Feb 19, 2017 1:30 pm    Post subject: Reply with quote

peterld wrote:
Yes, I see that...and a very nice job too.
What was the clutch plate from, that you modified? There are no Bronco 11s in Australia, so I'm wondering whether it was a common Euro car.

It was Mitsubishi Delica diesel clutch plate. I'll post a p/n tomorrow, I need to get back to my home pc to find it. By the way, I can supply the pacer and bolts if you need.
_________________
WBR, Shurick
'79 931 -- intercooled K26-3060-6.10 turbo @ 1.2 bar, EFI+EDIS, 951S brakes, stripped interior, 951 look.
'86 924S -- R.I.P.
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View user's profile Send private message Visit poster's website
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