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Hi- patzo Did some research when I innstalled these springs in my race heads. The IAP springs are about 5mm longer ,free lenght, than stock once (one of the reasons these were brought to the workshop). Std valvespring Spring force valve at seat (35mm): 70lbs lift 10mm(25mm): 150lbs IAP Springforce a...

Thanks Zamani, will use ITB`s from Suzuki GSX-R750 00`. 42mm bodies.
Working on a filtering top solution right now.

Agree with the others , o-ring type is te way to go. I will use Ford injectors on my setup.

My last rear brake setup for the race car, with 282 discs an 4 pot (1,38") Willwods.

Thanks for sharing your info Daniel. This is an interesting thread.
Some mass reduction on my car (12v):

Front flwheel w/ring gear: 3.5kg
Front pulley w/counterweights: 1.35kg
Pics show suspensionparts and front pulley..

See many of you use 2.5" systems.
Recording to Graham Bell`s 4 stroke performance tuning and other big "tuner names" a 2.5" system is "rated" to a good 170 hp setup. . . . .
200hp + is recomended with a 2.75" setup (NB! This is for N/A engines..)

Distance from disck OD in to the pads are 1mm measured on both top and bottom of the calipper. I am not a fotograph

The first picture might fool you as the stock GTA calipper uses much shorter an wider pads than the WS.

Zamani

Its the 305 discs. They are heavy enough . Full pad to disck contack..

My budget brake solution for racecar: Wilwood superlites with GTA discs.

Nice project. What type of camshafts will you be using? Power estimate?

MD: 1: No rubber 2: Track car with licence plates 3: 2-piece with slide part in senter section 4: Acceptable. Engine is fully rebalanced with front pulley and "front" flywheel. 5: Not done aything specific. Have hardly driven the car with this shaft. Hopefully I can give a feedback during ...

Here is a picture from the back of my shaft. The front has the same type of coupling as the back and is attatched to a 3.6kilo alu flywheel.

Zamani: 250 hp on a 24v should not require to many modifikations. If Beninca already has a setup that puts out 215 rwhp thats great. What i tried to say was that when the level of tuning increases, and long duration camshafts are used, the need for very fine tuned intak and exhaust are required to m...

Have to agree with MD here. Putting on 1,75"primaries on a setup with"ported" heads does not say anything. Probably it will not give you any power gain. The way to start is to settle out what kind of engine carateristics you are looking for. Adding power to a N/A engine is quite compl...