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120 HP/Liter is all I ask
 
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All ROW 964 Carrera RS cars were for Model Year 1992 only.

The strut brace was a Carrera Cup or 3.8 RSR part fitted after production by owner. Your pictures show that the steel bracket version fits fine with the big fuel tank, so those I have seen with alloy brackets were not special for the big tank as I thought, probably just a later 993 version installed by owner.

Below looks like a 1992 RS with its right side water bottle missing and a factory strut bar with steel brackets and the big fuel tank



Below looks like a Right Hand Drive 1992 ROW RS with an aftermarket or custom fabricated strut bar and the small fuel tank



Below looks like a 1992 ROW RS with a factory strut bar with alloy brackets (and holes drilled by owner??) with small fuel tank

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Last edited by Cupcar; 03-08-2010 at 09:52 AM..
Old 03-08-2010, 09:38 AM
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Red RS has had front end work. Can anyone else spot the obvious error?

Any more info on the 1990 Cup in red? I am collecting data for 20th anniversary.

RHD RS are just converted C2s with power steering that defeats the purpose IMHO.

Pedal offset is a pain in the back too. The M003 RS was basically a road legal Cup car with only 200 made. This compares with circa 2000 lightweights. The L series Cups are the Daddy and will always be worth more!
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Old 03-08-2010, 12:12 PM
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120 HP/Liter is all I ask
 
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Besides the missing water bottle there is a headlight washer outlet on the bumper cap.
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Old 03-08-2010, 01:57 PM
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here is a comparison of the stock and solid/flat rear sidemounts. Both are the forward one, You can see where the chassis is notched. Stock doesn't need it solid does

stock 993 rear sidemount

Smart racing solid rear side mount,
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Old 03-08-2010, 02:09 PM
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here's a strut brace that I omitted, supposed to have been used on 993GT2 evo. But its not in the parts manual that I have, nor is it in the GT1 manual

any way, Matter non adjustable 993 343 045 80


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Old 03-09-2010, 08:19 AM
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RS bumper

Quote:
Originally Posted by Cupcar View Post
Besides the missing water bottle there is a headlight washer outlet on the bumper cap.

Spot on Cupcar. No matter how hard he tries he will not wash that headlamp!

Givaway to front end damage as there are more C2 fenders in the breakers than RS ones! You can fill and paint the washer holes which looks much better.
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Old 03-09-2010, 10:07 AM
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To be honest,

It depends on which suits you as a driver and individual best.

If you are buying it for sheer performance, thats another story.

In that case, the amount of R & D that goes into that car will decide that factor.

That and the fact that no matter how much you do and how much you spend there is
always going to be a encounter in which you won't be the fastest, and being the fastest
is often short lived as you end up being the bench mark.

Someone once told me there is no replacement for displacement, I said ok.
My response would be, sure. But there is no replacement for mastery of driving skills and vehicle.

^_^ Both the 964 and 993 are excellent cars.
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Old 04-27-2010, 04:47 PM
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964 and 993 sway bar specs
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Old 05-18-2010, 04:31 PM
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Here is a pin use chart comparing OBD1 Bosch Motronic 2.10.0 used on all '94/95 & RoW '96-98 normally aspirated 993 w/ OBD2 5.10.0 used on US '96-98 normally aspirated & all tt

red cells are idiosyncratic to a given system, orange cells are the O sensor pins which is whee the main difference is, yellow cells are tip specific and of no interest to me





The biggest surprise to me was the incorporation of an AC controller on the 5.2s which is not used on the 2.1 and the deletion of variant coding(different country) option from the 5.2, I suppose this makes sense as 5.2 was designed specifically for US laws

as you can see for m/t cars there is a difference in use of 8 pins, 4 of which are specific to the extra O sensors used on OBD2 cars and the other 4 being AC, SAI & fuel level.
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Old 12-21-2010, 08:02 AM
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Old 12-21-2010, 03:40 PM
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Quote:
Originally Posted by Bill Verburg View Post
Here's a comparison of most of the factory gearing

Bill, doesn't 5th gear in the G50.20 have a ratio of 39/42, at least according to the Porsche parts catalog?
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Old 03-13-2011, 09:23 AM
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Quote:
Originally Posted by Traveller View Post
Bill, doesn't 5th gear in the G50.20 have a ratio of 39/42, at least according to the Porsche parts catalog?
Both were standard it just depends on the date of manufacture

early were 38:35 = 0.921
late were 42:39 = 0.928
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Old 03-13-2011, 02:55 PM
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Quote:
Originally Posted by Bill Verburg View Post
Both were standard it just depends on the date of manufacture.

early were 38:35 = 0.921
late were 42:39 = 0.928
Thanks for the clarification.

When you say early and late, do you mean during a particular production year or during the 993 production run?
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Old 03-13-2011, 03:10 PM
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Quote:
Originally Posted by Traveller View Post
Thanks for the clarification.

When you say early and late, do you mean during a particular production year or during the 993 production run?
the change was implemented from 12/7/94
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Old 03-14-2011, 06:18 AM
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Thanks, this thread has great content. Really enjoyed working through the topics!
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Old 01-01-2012, 12:47 PM
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What is the difference between 1995 US motors and 1995 euro spec? Is this M64/05 vs M64/07?
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Old 01-23-2012, 11:43 AM
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Quote:
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What is the difference between 1995 US motors and 1995 euro spec? Is this M64/05 vs M64/07?
US have SAI pump and associated hardware, RoW do not. The control chip in the DME is programmed differently to accommodate.
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Old 01-23-2012, 02:02 PM
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same cam profiles, ports, exhaust, output?
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Old 01-23-2012, 03:51 PM
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Quote:
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same cam profiles, ports, exhaust, output?
yes
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Old 01-25-2012, 06:54 AM
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Wheel fitment help for NB 993s

This is a fantastic thread and I've learned a huge amount so far, thanks.
A question on wheels, however.

The 18" rear Turbo 1 wheel comes in 40mm and 65mm offset.

993 362 140 00 with a 40mm offset
993 362 140 01 with a 65mm offset

The stock wheels for my 993 NB are 9” wide with a 55mm offset (993 362 128 00) SO,

Does anyone know which offset (wheel) should be used in a NB 993? I would assume the 65mm offset would push the wheel too far out, does this make sense?

Also, the N/A C4 comes with the electro hydraulic power brake booster similar to the 993tt.
Old 02-09-2012, 12:17 PM
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