In reply to Toebra :
I have both
I use aluminum on aluminum things the copper I use on steel things.
I'm just relaying information given to me from instructors that not only discuss these issues with the factory engineers that built the cars, but also collaborate with them to write the Service Bulletins to correct them.
YMMV
You'll need to log in to post.
Automobilist's DB7
The biggest brakes yet for our V6 Miata endurance racer
How an easy transmission flash made our BMW 435i even faster
Howe HR6: A value buy for a brand-new, tube-chassis race car?
Heading to the 2024 PRI Show? We’ll be there, too.
Wheel studs: What you need to know before making the switch
Expert tips to make your track car more reliable
$2000 Challenge: A Wartburg 311 with Subaru Legacy power
Is the current Mazda MX-5 Club still the answer®? | Track Test
Tested: How tires perform on track as they wear
Is the engine in our BMW 435i healthy? What oil analysis can tell us