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Carrera RSR
Joined: 08 Jan 2010
Posts: 2312
Location: Somerset, UK
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 Posted: Thu Oct 06, 2011 5:50 pm Post subject: |
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| Cédric wrote: | | fiat22turbo wrote: | | Rasta Monsta wrote: | | Remind me again what you did to the motor? |
| Carrera RSR wrote: | | Apart from a top end rebuild and refreshed fuel/injection system by the previous owner I haven't done anything to the engine yet. It runs strong and was dyno'd at 158bhp at the wheels last year. I will dyno it again before the IC fitment so we can compare the IC gain. |
Seems like good, momentum driving with 158hp propelling him down the straight allowed for all of the advantage he needed:) |
Or maybe the let him pass since its a track day and they were slower around the lap ?
nice pics! Fun to se that I´m not the only one tracking my 931, how are the tyres holding together?
Glad to see you and your car got home without scratches ! There are plenty of crash vids on youtube from Castle Combe, but it seems to be a fun track though (only played it on hte computer) |
Pure momentum coming out of Camp Corner onto the pit straight. It was a Porsche track day and many don't push too hard or at least don't know how to. Castle Combe is an unforgiving track with a high average speed and the barriers not too far from the tarmac. The 924 carries a lot of speed through corners and often gets an advantage over more powerful cars on the exits. And if your running quicker than others its only polite to allow cars past. However some make it far easier than others. In my case the Boxster S tried to outrun me into this corner, I then fell off!
This vid is the same corner I lost mine, pretty much the same as the 911 and TVR. Avon Rise unweights your car into a mild left before a tight right. Get it wrong and the pendulum effect whilst braking spits you off.
http://www.youtube.com/watch?v=QkY03dwkPQs
_________________
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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Raceboy
Joined: 01 Mar 2004
Posts: 2327
Location: Estonia, Europe
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| Posted: Thu Oct 06, 2011 6:10 pm Post subject: |
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| Cédric wrote: | | Fun to se that I´m not the only one tracking my 931 |
No, you are not the only one  Or my "Gulf" is not considered as 931?
Did you see this pic?
_________________
'83 924 2.6 16v Turbo, 470hp
'67 911 2.4S hotrod
'90 944 S2 Cabriolet
'78 924 Carrera GT replica
'84 928 S, sold
'91 944 S2, sold
'82 924S/931 "Gulf", sold 
'84 924, turbocharged, sold.
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Cedric
Joined: 27 Aug 2004
Posts: 2801
Location: Sweden
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| Posted: Thu Oct 06, 2011 8:04 pm Post subject: |
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| Raceboy wrote: | | Cédric wrote: | | Fun to se that I´m not the only one tracking my 931 |
No, you are not the only one Or my "Gulf" is not considered as 931?
Did you see this pic?
[img]http://www.martinvarik.com/temp/ot35/content/images/large/IMG_5211.jpg[./img] |
Hehe, I know there are some more that actually drives their 931s over here, sadly to few .
OT: I havent seen any videos from your race car, do you have anything ?
_________________
1980 924 Turbo
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Carrera RSR
Joined: 08 Jan 2010
Posts: 2312
Location: Somerset, UK
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| Posted: Thu Oct 06, 2011 8:21 pm Post subject: |
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| WEASEL149 wrote: | I pulled some scans and photos together of different wheel sets that have been fitted to my car.
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Thanks for the photos Wes, much appreciated. The car looks great on all those wheels, however I do prefer the Fuchs. Getting the right width and offset is crucial though.
I need to see if I can borrow some 6, 7 and 8'' wheels and trial them on my car before spending big £££'s I think
_________________
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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Raceboy
Joined: 01 Mar 2004
Posts: 2327
Location: Estonia, Europe
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| Posted: Thu Oct 06, 2011 8:59 pm Post subject: |
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| Cédric wrote: | | OT: I havent seen any videos from your race car, do you have anything ? |
I have only one vid taken with my cell phone when accelerating: http://www.youtube.com/watch?v=mcSrS2wLZpY
Unfortunately I don't hav an in car camera, planning to buy that for next season.
_________________
'83 924 2.6 16v Turbo, 470hp
'67 911 2.4S hotrod
'90 944 S2 Cabriolet
'78 924 Carrera GT replica
'84 928 S, sold
'91 944 S2, sold
'82 924S/931 "Gulf", sold
'84 924, turbocharged, sold.
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Rasta Monsta
Joined: 12 Jul 2006
Posts: 11733
Location: PacNW
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| Posted: Fri Oct 07, 2011 1:37 am Post subject: |
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| Cédric wrote: | | Fun to see that I´m not the only one tracking my 931 |
_________________
Toofah King Bad
- WeiBe (1987 924S 2.5t) - 931 S3
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WEASEL149
Joined: 19 Aug 2005
Posts: 595
Location: UK, Sheffield
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| Posted: Fri Oct 07, 2011 1:50 am Post subject: |
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| Carrera RSR wrote: | | WEASEL149 wrote: | I pulled some scans and photos together of different wheel sets that have been fitted to my car.
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Thanks for the photos Wes, much appreciated. The car looks great on all those wheels, however I do prefer the Fuchs. Getting the right width and offset is crucial though.
I need to see if I can borrow some 6, 7 and 8'' wheels and trial them on my car before spending big £££'s I think |
Yeah I agree it's crucial getting the right wheels. I think it's even more important when you're taking the car to the track.
I think mine are ET36 but I'm not 100% and will have to measure it.
I'm so glad you didn't bend your car. That looked like a proper hairy moment.
It doesn't surprise me that you were doing well against more powerful machinery. I've seen it happen loads of times with the 924/931; especially ones like yours that have had the suspension and geometry properly set-up.
The 931 may not be ninja-quick to 60mph in standard tune but I find that people tend to underestimate it's acceleration through the gears once you've got rolling. I know this from the amount of times I've shown a clean pair of heels to newer, more powerful cars.
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1979 UK 932 |
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Carrera RSR
Joined: 08 Jan 2010
Posts: 2312
Location: Somerset, UK
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| Posted: Fri Oct 07, 2011 2:45 am Post subject: |
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| Raceboy wrote: | | Cédric wrote: | | OT: I havent seen any videos from your race car, do you have anything ? |
I have only one vid taken with my cell phone when accelerating: http://www.youtube.com/watch?v=mcSrS2wLZpY
Unfortunately I don't hav an in car camera, planning to buy that for next season. |
That is super quick acceleration and monster revs. Would love to see a proper video of the car in motion from inside and out of the car. Good work my friend.
_________________
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
Now www.924board.org/viewtopic.php?t=34690
Then www.924board.org/viewtopic.php?t=31252 |
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Dutch924-racer
Joined: 23 Jul 2007
Posts: 1081
Location: The Netherlands
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morghen
Joined: 21 Jan 2005
Posts: 9095
Location: Romania
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| Posted: Fri Oct 07, 2011 5:07 am Post subject: |
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| Cédric wrote: | | Fun to see that I´m not the only one tracking my 931 |
even if i only track it rarely..
_________________
Supercharger and EFI kits
https://www.the924.com |
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Joes924Racer
Joined: 03 Nov 2002
Posts: 11964
Location: Oregon, Denver Colorado native!
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| Posted: Fri Oct 07, 2011 10:12 am Post subject: |
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Vids. are always cool.
_________________
1979 porsche 924 Na
1980 porsche Turbo 931GT Replica
Have u ever driven a turbo. |
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Carrera RSR
Joined: 08 Jan 2010
Posts: 2312
Location: Somerset, UK
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| Posted: Tue Oct 11, 2011 7:55 am Post subject: |
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| Carrera RSR wrote: | | Cédric wrote: | | fiat22turbo wrote: | | Rasta Monsta wrote: | | Remind me again what you did to the motor? |
| Carrera RSR wrote: | | Apart from a top end rebuild and refreshed fuel/injection system by the previous owner I haven't done anything to the engine yet. It runs strong and was dyno'd at 158bhp at the wheels last year. I will dyno it again before the IC fitment so we can compare the IC gain. |
Seems like good, momentum driving with 158hp propelling him down the straight allowed for all of the advantage he needed:) |
Or maybe the let him pass since its a track day and they were slower around the lap ?
nice pics! Fun to se that I´m not the only one tracking my 931, how are the tyres holding together?
Glad to see you and your car got home without scratches ! There are plenty of crash vids on youtube from Castle Combe, but it seems to be a fun track though (only played it on hte computer) |
Pure momentum coming out of Camp Corner onto the pit straight. It was a Porsche track day and many don't push too hard or at least don't know how to. Castle Combe is an unforgiving track with a high average speed and the barriers not too far from the tarmac. The 924 carries a lot of speed through corners and often gets an advantage over more powerful cars on the exits. And if your running quicker than others its only polite to allow cars past. However some make it far easier than others. In my case the Boxster S tried to outrun me into this corner, I then fell off!
This vid is the same corner I lost mine, pretty much the same as the 911 and TVR. Avon Rise unweights your car into a mild left before a tight right. Get it wrong and the pendulum effect whilst braking spits you off.
http://www.youtube.com/watch?v=QkY03dwkPQs |
Also bear in mind the S1 RoW turbo's have far better in gear acceleration times versus 944's bar the turbo versions. More corner speed + more high speed acceleration + a little weight saving = 944, 968 and Boxster worrying performance. Simples
_________________
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
Now www.924board.org/viewtopic.php?t=34690
Then www.924board.org/viewtopic.php?t=31252 |
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Cedric
Joined: 27 Aug 2004
Posts: 2801
Location: Sweden
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| Posted: Tue Oct 11, 2011 3:43 pm Post subject: |
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Just a small bit though, the number by "motor" on the s1 are not to be taken as correct numbers. That car went far faster than a std car do. Those for the s2 in the list are more realistic compared to what I have measured, and my engine goes better than both std s1 and s2s..
But I know from lots of experience that it takes LOTS of HP to compensate for lower exit speed (just as you say), i´ve done exactly that a thousand times. But when they have far north of 300hp it starts to get really hard
Do you have any track vids from your car? Would be great fun to se your driving !
_________________
1980 924 Turbo
www.instagram.com/garagecedric/ |
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AGD931
Joined: 17 Mar 2003
Posts: 289
Location: Athens, Greece
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| Posted: Fri Oct 14, 2011 4:56 am Post subject: |
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Just seen this thread. Gorgeous car. But then I would say that wouldn't I???!!!!!! I really like the standard exterior/clubsport interior combo.
I saw your car in 911 & Porsche World, the feature on 924's I think it was voted as the best car there. in the article the ride height is the first thing I saw, it gives the car a real 'attitude"; would like to lower mine by 40mm but the roads here will soon take their revenge.
Glad you track the car, I would like too but I'm too much of a chicken in case it gets damaged
Just for the record, mine is also Alpine white originally, though as you will know white over red was not available on 1981MY cars like mine is. Still, definitely the best colour combination on a 931!!!
_________________
1981 931 S2
1990 E30 320i Cabrio
1979 Ford Capri Ghia |
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Carrera RSR
Joined: 08 Jan 2010
Posts: 2312
Location: Somerset, UK
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| Posted: Fri Oct 14, 2011 7:10 am Post subject: |
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| AGD931 wrote: | Just seen this thread. Gorgeous car. But then I would say that wouldn't I???!!!!!! I really like the standard exterior/clubsport interior combo.
I saw your car in 911 & Porsche World, the feature on 924's I think it was voted as the best car there. in the article the ride height is the first thing I saw, it gives the car a real 'attitude"; would like to lower mine by 40mm but the roads here will soon take their revenge.
Glad you track the car, I would like too but I'm too much of a chicken in case it gets damaged
Just for the record, mine is also Alpine white originally, though as you will know white over red was not available on 1981MY cars like mine is. Still, definitely the best colour combination on a 931!!! |
Glad you like it. I trawled this forum and internet for pics of your car. As you may know although my car was made in this colour combo it was resprayed all white in 1988. I did a lot of homework and looked at your car as inspiration to return it back to the correct paint finish. So glad I did it.
Don't be scared on the track. Go as fast or as slow as you dare. These cars are great fun on the limit that you can always get to on the roads 
_________________
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
Now www.924board.org/viewtopic.php?t=34690
Then www.924board.org/viewtopic.php?t=31252 |
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