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Hello, here are the pics of the pair of marchal TP21SP. As you can see, they are brand new, "E" marked and goodwood - pebble beach compliant... ;-) Pic quality is a bit poor, can take better pics if necessary. I made them with the smartphone so with a real camera, I guess they should be far...

Salut Pierre, Bienvenue parmis nous... La construction d'une GT est un véritable parcours initiatique avec ses joies et ses doutes. Le meilleur moment reste évidemment le jour ou tu te poses derriere le volant et que tu sors de chez toi ...avec une carte grise.. Amitiés Stephane

Hello Jan, obviously I'll do this in the next days as I am travelling. If not it will be this saturday. Cheers

Hello, Few weeks ago, I bought various lights for some french cars at an auction here in France. More precisely, I bought 5 marchal TP21SP. I want to keep 1 pair for my GT, I can then offer 1 pair for sale. These are brand new, "E" Marked and have the parking light hole. Also, they are...

Thanks to Stuart for this positive comment. Anyway, unfortunately, I have to bring some precisions. Stuart gearbox went used as a guinea pig for a test of an highly specific friction material. We engineered various materials and castings. Its actual gearbox went rebuild using standard...

Yes, speak to Chris. We share a lot about UN1 parts and improvements, specifically onto high friction synchro rings for 1st/2nd gear currently under production : higher friction = quicker shifting To be mor eprecise, even if Kev did it...The front bearing of the secondary shaft MUST be bathing...

Yes... The lubrification system is an half bath, basically the secondary shaft stands fully under oil and brings lubrication by splashing the primeshaft. Inverting this : The primeshaft will be then under oil and the secondary over. The primeshaft pinions are smaller than those standing on...

Gentlemen, I am looking for a set of door striker plates for my GT. The plates I am looking for are those considered as the original ones on a gt40: ie Standard vanguard plates / Strandard (Triumph) Mayflower plates. Here in France, there is clearly no way to find them...so if any forum...

Alan, Thanks for putting some interest in my posts. You are right, english being unfortunately my 3rd language and not my mother tongue, my lexical is then sometimes (often..) limited. I can see from your question that my answer was not enough detailed and structurated but I can also see ...

Hello, Spur vs helical : Very often, I read that the common belief is that spur gears are stronger than helical gears. In my opinion, this is wrong. Helical gears are superior to spur gears. Beside the quietness, the load carrying capacity is far superior with an helical assembly as the...

Hello Jac, Thanks for your answer and usefull hint. I had a look at R.Spain book and then it is stated that 1075 is fitted with the following ratios : 2.23(1) - 1.61(2) - 1.24(3) - 1.00(4) - 0.81(5) with 3.44 as final drive. A bit more "torquee" than what I expected.. Many thanks...

Gentlemen, I'm posting here as I need some help. I'am trying to find the full gear ratio sequence of GT40 1075 but I can't find any reliable answer. Surfing through web reports me various answers.... Looking at various GT40 books doens't help too.. The more common answer over the net is...

Hello, I do not deal with Audi gearboxes, just UN gearboxes, but for sure if I had sold a rebuild gearbox with a 30 days money back guarantee and the buyer returns me the gearbox that has been opened, clearly I won't refund... So I would recommend you to take care of this. Also a "bore...

Gt Rene , very interesting these pics. What could be the "secret" of this setting....I don't think it was a total wind tunnel..any pic from behind to see if any exit went managed..? Patrick, 1057 kg is the weight with passenger and tanks filled? If so it is a lightweight configuration...

Salut Patrick, Welcome on board...One more "French Perv" on this forum:laugh:... According to Superformance website, the original GT (le mans winner) was able to reach a top speed of 205 mph at 6200 rpms..basically 330 km/h. Considering top speed capacity can also be determined from a...

Hello Eddie, Thanks for the info. No sorry no information at all about these engines. It makes me curious what is the base engine : the standard 6 cyl PRV? Waht mods they made : guess something more sophisticated that just increase turbo pressure..? For the actual UN1 configuration and...

Hello Eddie, At the moment no 1 piece primeshaft and so I think GTO is certainly one of the few reliable and serious company to deal with this. Basic problem is the cost of the helicoidal machining as unfortunately the pinions sizes (too close to the shaft diameter) do not allow to have a...

Hello, sorry didn't see your message first. Bearings : the only standard one is the differential one wich is standard ref 30209 available from all manufacturers. These are the differential bearings available from any manufacturer. The others are Renault specific as per the gaskets, so you...

A standard UN1 has high risk to break above 40 mkg of torque. This considering the Yield trength curve of the steel used and the different shaft sections. Obviously this value may vary according to the resistance the car offers to the force moment (weight, tyres friction, air resistance with...

Hello, I am making 2 clutch type LSD to fit on my GT40 and one my friend's GT. Both car have an average of 300 hp with an average of 350 ft/lbs torque and 1000/1100 kg weight. The lsd we gonna install is one of our own, I mean a permanent friction type with no progressive value. So...