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Black magic Mk5 GTI track car

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the bruce:
Question is, why you have these issues? Is it the gearbox itself or just the parts between shifter
and gearbox?
The latter ones are easily to replace and there are also some uprated parts like solid bushings.

BTW, there are also Eos FWD gearboxes for the VR6 with much shorter gear ratios. Unfortunately
these have a different casing due to the different mounting angle of the 3.2 VR6. The gear parts
should fit though.

fuscobal:
I have the solid bushings wich made shifting more precise (les wooblier than before) but still hard to get in a gear fast. Removed the flow restrictor, installed the USP stainless clutch line (not only this one didn't bring any benefit but the rubber gasket broke and my pedal went to the floor on my way to Hungaroring, one day before the other event that almost destroyed the engine), replaced the clutch bearing, went through 2 sets of Sachs racing clutches (changed the first under warranty for exactly the same reason). While my car was under engine repairing, I've also installed a spacer in the gearbox, where the input shaft sits but I'm yet to see if it cured the problem !

the bruce:
 :sad1:

Seems it's the gearbox or you're an extremely quick shifting guy.  :grin:

I "only" had 4th gear issues now and then when the car has been new. These went
with time. I have to admit I'm not fastest shifting man, too.
Remember you don't loose that much (lap) time. The car still moves when you kick the
clutch. It just decerates 1 or 2 km/h when you accelerate. It even does nothing when
downshifting while braking.

fuscobal:
Don't need for fast downshifting, you have plenty of time there but I'd certainly like faster changes on acceleration areas. I'd say it mattrs pretty much. On the Hungaroring straight (700m) while going side by side with a 911 Carrera 4S I was pulling on him during acceleration but loosing some of the advantage during the 2 gearchanges (3 to 4 and then 5). I'd say I was loosing about 5-7m only there. Probably on the entire track it would be like 20-25m wich at a medium speed of 30-35m/s would mean close to 1 sec ! However, I will stop talkin about gearchanges until I solve my cooling problems first  :smiley:  What do you say about this plan :

1) Sell the S3 FMIC and Forge Twintercooler and replace them with a single one in the stock location (Wagner, THS...). What do you know to be the best here and will it have the same performance as the 2 I have know ?
2) Install the OEM water radiator in the OEM location
3) Install the INA Engineering Mocal oil cooler where the Twintercooler was (it's much smaller than the twintercooler so I guess it shouldn't block the airflow to the radiators too much)

fuscobal:
Decided to drill 2 holes on the legs for the 3 existing ones on the droptabs. Thus, I will have 6 settings instead of 3. The plastic add-on that comes with the GTI and was removed to fix the aluminium legs had 2.2kg !!! . The wings has 0.95kg and the legs about 0.3kg each. It so seems the wing+legs will have about 1.6kg wich is less than what I had before...sounds pretty good to me :)


PS : Legs are now ready for painting along with the trunk lid...in about 1 week we should be able to see the final result !

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