Slippery slope
Discussion
jackal said:
IMIA said:
I think Jackal has an illness 
Fabulous build. What do you think you'll be able to get the wet weight down to?
Well it should be pretty much the same as a std RSCS because it will match very closely including the ali bonnet, lightweight glass, buckets, no airbags, manual windows/locks/mirrors, water bottle, rear lightweight glass, cut down loom, wooden floorboards etc. Fabulous build. What do you think you'll be able to get the wet weight down to?
Only thing is my car has underseal and a little more paint i suspect but then no cat, no heater blower so maybe they cancel out.
Problem is i don't know what the CS quoted weight is. M002 is 1270 I believe.
Steve, i think yours was 1160-ish was it not with a little fuel ? Mine might not be as light as that (no plexiglass) but it would be nice if it dips under 1200.
1200kg/~310bhp, good torque, fab brakes, welded cage ... maybe it will be as quick point to point as my standard GT3.
Edited by jackal on Tuesday 16th December 23:40
IMIA said:
I think it will definitely give your GT3 a run for its money! 260 bhp per ton vs 240 bhp per ton roughly speaking in favour of GT3 but 20 bhp nothing so really down to the driver. GT3 wins all things being equal with better chassis and engine. Who cares - both amazing cars!
I've not compared the torque/hp curves, but fair to assume the later car's will have a lot more area under both curves. The 3.8 RS engine is a good unit, but it isn't a patch on that of the later car. I went from a genuine lightweight spec (no cage, no airbag dash/s wheel, no electric windows or aircon) 993 RS to the Mk1 GT3. I was staggered that two cars built 4 years apart (albeit probably designed eight years apart) could be SO different from a performance perspective. As a very rough indicator, the 993 topped out at 172mph, the GT3 at 189mph. It takes a lot of grunt to gain that additional 17mph (as well as improved aerodynamics no doubt)
Still, I digress, it's a cracking project
Jackal dont let anybody pi-- on your chips
Good project,not many cars are down under 1200kg,even the cup cars.The rear thin glass is not much heavier than plastic,and better quality.
I got my rs down to 1120, with great effort and expense,incl mag wheels,ali under floor panels,lighter tyres,cup steering rack etc
One of the best mods is the cup rack.
I dont understand power brakes,what do you mean?
Re against a gt3,you will struggle,mainly because of the drag factor,but pick the right venue and it should struggle to get away.
Standard drive shafts are more than up to the job,so should the brakes be.
Get it done and on the road to enjoy.
I will dig out the weight for the cs for you,i should still have it some where.
Good project,not many cars are down under 1200kg,even the cup cars.The rear thin glass is not much heavier than plastic,and better quality.
I got my rs down to 1120, with great effort and expense,incl mag wheels,ali under floor panels,lighter tyres,cup steering rack etc
One of the best mods is the cup rack.
I dont understand power brakes,what do you mean?
Re against a gt3,you will struggle,mainly because of the drag factor,but pick the right venue and it should struggle to get away.
Standard drive shafts are more than up to the job,so should the brakes be.
Get it done and on the road to enjoy.
I will dig out the weight for the cs for you,i should still have it some where.
Slippydiff said:
Sorry to p*ss on your chips
Slippydiff said:
Struggling to see how you'll dip below 1200kgs (especially with a welded in cage) but hats off to you if you can.
Yellow491 said:
Jackal dont let anybody pi-- on your chips
Yellow491 said:
Re against a gt3,you will struggle,mainly because of the drag factor,but pick the right venue and it should struggle to get away.
Yellow491 said:
Good project, not many cars are down under 1200kg,even the cup cars.
well, glad we cleared that up without p*ssing on anyone's chips Yellow491 said:
One of the best mods is the cup rack.
Excuse my ignorance, what is a Cup rack? And what are the differences between it and the standard C2/4/RS rack ? I was under the impression the only differences between the two cars were the track rod ends, the Cup car items devoid of the rubber dampers in the rack track rod assembly and angled to reduce bumpsteer at the RS's lower ride height (the same as the GT2 items) which are as I understood it NLA ?Yellow491 said:
I don't understand power brakes,what do you mean?
The high pressure hydraulic brake booster system which utilises an electric servo -hydraulic pump also used in the 964RS/965 Turbo.Jackal the weight porsche say is 1270 .out of interest the gt2r 1995 version was 1150.The cs version may be a bit lighter,but the full cage countered other areas of saving.The clubsport rear wing is mega heavy,i have a motorsport rear cup wing,ex factory that is half the weight of the standard cs rear wing!
From my distant memory,the cup rack was the non powered,as porsche describe it 964cup rack from motorsport,which was a differant part number & quicker ratio.
The bump steer was dialed out from the cranked ball joint and unique wheel carrier that was fitted to the 993 gt2 ,rs&,cup.
From my distant memory,the cup rack was the non powered,as porsche describe it 964cup rack from motorsport,which was a differant part number & quicker ratio.
The bump steer was dialed out from the cranked ball joint and unique wheel carrier that was fitted to the 993 gt2 ,rs&,cup.
My car weighed in at 1160kg with relatively low fuel but it has plexi all round and power steering delete. Since then, we added another oil cooler so it's a few kg up on that now. It is quite quick, my 3.8 when mapped by wayne came in at 320 bhp - but it won't feel as quick as your GT3 so don't get your expectations up too much. Where you will gain is under braking and through to apex. You can carry a lot more speed in an you don't need to trail as hard to get the nose in. It will also be viable to run Dunlop slicks on it if you want and then it's a hoot
Jackal the weight porsche say is 1270 .out of interest the gt2r 1995 version was 1150.The cs version may be a bit lighter,but the full cage countered other areas of saving.The clubsport rear wing is mega heavy,i have a motorsport rear cup wing,ex factory that is half the weight of the standard cs rear wing!
From my distant memory,the cup rack was the non powered,as porsche describe it 964cup rack from motorsport,which was a differant part number & quicker ratio.
The bump steer was dialed out from the cranked ball joint and unique wheel carrier that was fitted to the 993 gt2 ,rs&,cup.
From my distant memory,the cup rack was the non powered,as porsche describe it 964cup rack from motorsport,which was a differant part number & quicker ratio.
The bump steer was dialed out from the cranked ball joint and unique wheel carrier that was fitted to the 993 gt2 ,rs&,cup.
jackal said:
Ok thanks guys, well time will tell. The GT3 is going into storage for at least a year so I can really get out and use this baby again. I have signed up to DN and will also go to Spa and of course two mammoth road trips.
Nice thread Jackal.Can I ask any tips for the best way of storing the GT3? May get to do this myself one day
jackal said:
The GT3 is going into storage for at least a year so I can really get out and use this baby again.
Hi Jackal, I was thinking about doing something similar with my GT3 (medium term storage that is) whilst I turn my attention to another project. I too would be very interested in sharing your research on the options available...Meanwhile, keep the thread and pictures coming!
jackal said:
Hi ade, gearbox will be done in 2016. Guards CS ratios and the porsche steel syncros and RS LSD. Will also finish it off with the Hydraulic brakes then as well and RS /turbo driveshafts. Need to get it back to drive it for a year before all that ! Having massive withdrawal symptoms.
Hi Rich, glad to hear mate, only the best treatment planned for the box then, Guards do make fantastic kit! 
David Hype said:
Hi Jackal, I was thinking about doing something similar with my GT3 (medium term storage that is) whilst I turn my attention to another project. I too would be very interested in sharing your research on the options available...
Meanwhile, keep the thread and pictures coming!
Hi david, the place that seems to be the state of the art in a fairly crowded market is Universal Classic. Meanwhile, keep the thread and pictures coming!
Scooty100 said:
Nice thread Jackal.
Can I ask any tips for the best way of storing the GT3? May get to do this myself one day
Im not an expert but the key points seem to be extra inflating the tyres, dehumidifier such as carcoon, periodic starts to warm through and you can even get tyre 'shoes' to prevent flat spotting.Can I ask any tips for the best way of storing the GT3? May get to do this myself one day
jackal said:
Im not an expert but the key points seem to be extra inflating the tyres, dehumidifier such as carcoon, periodic starts to warm through and you can even get tyre 'shoes' to prevent flat spotting.
This I'll look into this further. It's a consideration for me some point next year. All the best with the build.
Just a thought I've just had brake upgrade added to my 964. 928S4 discs and pads fooking awesome!
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