1st Gen R53 Cooper S Most liked posts in thread: Another pulley question

Ok since you know everything do what you want and don't cry to all of us about it when your blows up.

The faster the supercharger spins the more heat it generates. They don't call it a Heaton supercharger for nothing.

This is a known FACT and I am not going to sit here and explain the basics of physics to you.

If you want to make big power buy a Sprintex. :lol:

 

It makes no sense to go above 17%...Belt squealing, slippage, and heat--not worth a tiny 2% gain. Sure some run them with no problems, but that just confounds the issue. It's not the few who haven't had issues, but the many who have that we should focus on.

I agree 100% with Colin, 15% is safe and spinning above that at high RPMs is fruitless, but hot. 17%, ok, if you're looking for down low and never Rev high. 19%, not worth it.

Kind of funny Jim, you blast Dave for "lambasting" anyone who doesn't agree with him, but you yourself seem to only post here anymore to lambast Dave....

Sometime a mirror is an unflattering object.

 

Yeah 15% is the safe and sane option.
I only went to a 17% because I have a meth kit and just wanted to see what happened.
It had such a heat gain on my "old" blower it was not worth it
But making power the right way will never be cheap regardless of what car you are modifying.

 

Dave, its not nice to berate the mentally challenged.

 

One more point...
If you run redline with the a pulley, the oil temps spike...
More a result of the water pump cavating (forming vacume bubbles), which results in temps going up in the block...and the stock oil cooler looses coolant flow...
So I suggest again...
15% for track...
17% for more of an easygoing street driver...
19% if you like big $$$ and breaking stuff....

 

The welds on the old Forge I/Cs had a tendency to crack and leak... Pressure test that puppy!

 

The Howerton/AquaMist systems are the best... A little more saving might be worth it, they are only a couple hundred more.

I bought an Alcohol Injection Systems .com kit long ago, ($600) and shoulda gone with the best first time around... It was a pain sorting all of the problems out.

 

What a good looking box of goodies!

 

Great work but when you hear a rattle under your hood take that God forsaken Red WMW Tension stop off your car. They really do nothing except rattle.

If you take care of your car like you do you don't need it.

 

That's a myth.
I have driven my car days without the bushings in the tensioner and it did not grenade into my ATI damper.

You could just as well put washers on the ends of the little shock to stop it from sliding off the bolts when the bushings go because it will not extend long enough to reach the damper.

Those $20 pieces of metal are not worth a damn no matter what version you have. WMW, ALTA and whoever else makes them.

It all based on fear and BS shady marketing.

 

If you keep fresh belts on there, it won't be an issue at all.

 

^^^^ and this is why I change my belt every year in the Spring before the Dragon. I also change the tensioner every year at the same time.

I have the ATI crank damper also.

 

Watch out for cops!! Then add the tire bill.....good thing you work from home and don't commute!!