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Thanks Barry. JJ:It is a 75 V6. I have used Rons set for a year now, with 125springs front and 70 rear, with the stiffer sway bars. I dont know what rating Ron uses on his front springs but i find it har to belive it is 125kg/cm. Used his setup with 27mm torsions, so I guess i have to fit stiffer sp...

As the topic says, I need advice about front springrates on my 75. The car has a full rollcage and will be used for racing. Rear springs are from RSR and rated 70kg.
Jarle

As this is a NA engine and power output will be below 300hp I will be using a sinter disc with sprungen senter and stock pressure plate.
Will post some pics as we work on this...

Thanks Barry. The engine is built for racing with lots of modifications so the daily driving concerns are really no problem....
We are now about to make the rear flywheel in a lighter material also.

This is a test flywheel. Most of the companies I know do not use any kind of steel to strenghten the center of their alu flywheels..... Has anyone tried alu on their V6? I can see the theori in this but I am sertanly not convinsed. Are there any spesial reasons a Alfa V6 flywheel should need steel w...

I have thought of the "problem" using alu. To solve this problem I have made the flywheel much stronger in the center. Dont remember the presise numbers but mine in alu is 7mm thikker than the standard unit where it is mounted to the crank. The big advantage with alu is the weight, thats w...

We will be testing it on street engines with stock Ecu soon. This one will be used on a race engine.


Hope to get some feedbacks from people who has tried this before.
If the results are good we may concider making some more alu flywheels.

Hi, I have just got my new alu flywheel(front). The std flywheel is 11.2kg with starter gear. The new alu wheel is 3.6kg with startergear. The crank and front pulley is also lightend a couple of kilos. I use Autronic SMc engine management. The cranck and everything will be sent to a full engine bala...

Here is my calculated ignition setup:

Zamani: I use 37deg on my 3,0.

Jarle

Mats: I joined Rons course twice last year and have booked a course june this year. Talking about insurace. There is practical no insurance. If you wreack the car you pay for: -getting the car removed from the track -any damages on the track -the car/what it costs to repair it. (think the max price ...

Hmm, large wheels you have got there. Mine is a 75, but it is the same frame construction and suspension.
Height is 23,2" both front and rear, quite low but fine for track days.

Jarle

What is the A/F ratio when the engine starts sputtering?

Jarle

Why do you use 0,28mm gap?? I use 0,7mm but that is with wasted spark but that should not really matter...

Jarle

I could not figure out why the advance was redused during high rpm... Mine peaks 27deg at 4500 and holds it out to the rev limiter at 7300.

Jarle