I'm the guy eggin Will on because i run the 1/4 almost 1.5 sec faster than you and i run Gatorbacks. Anymore questions?

You have a Series II engine, he has a Series I.

Apples to oranges....

Didn't see that part Thanx for setting me right Sol

But here we have a Series 2 motor that ZZP claims would be better suited with Gates belts, yet he has Gatorbacks and no slip.

It'* hard to make a claim on which is better unless there are many tests done with many different control variables.

Every engine has a different setup so you can't say which is better. I'm running a Gates belt with no issues. Someone with the same setup as mine may run a Gatorback belt with no issues as well. But someone with a slight difference may have some problems with either belt.

ZZP may say go with the Gates belts, and their engines are running pulleys that are way smaller than my 3.4, so who knows what it would do with a Gatorback. It'* hard to say without tests.

I say try either one, and if it works, then great. If not, go with the other brand.

Try running you car stock other then CAI and see what E.T. you get. I bet the gap will be much closer. I'd love to see you run a 13.5 with your mods, not saying it is impossible but if you can more power to you. That would be quite impressive with your mods just like my time is. But yet again your comments really helped this topic!

My personal experiance - I had a problem with Gatorbacks spinning with my 2" pulley. I put on a new tensioner thinking that was the problem yet I still had belt slip. Now are you going to say my brand new tensioner is weak? After going through 3 Gatorback belts I tried a Gates belt and no more belt slip.

I never said that Gatorbacks are bad or they will cause belt slip. All I am saying is that IF you are having a problem with a Gatorback slipping try a Gates because Gates will have less slip head to head. You keep on saying that they are different cars with different setups but when you test a belt for grip you do not have it the belt on a car like it is normally should be. You stick it around the crank and the supercharger pulley and lock the tensioner so it has constant tension. So the belt is ONLY around the crank / supercharger pulley and locked by the tensioner. Then you stick a torque wrench on the supercharger pully and measure what torque it takes to spin the pulley. Gates will win.

Heated topic we got goin on here..... but how does a guy tell if the belt is slippin?

Chunks missing from the ribs of the belt, rubber dust on the hood liner, bald spot or flat spot on the belt.

The working part of the belt is rubber. Different compounds have different characteristics. What works in Dallas may be near useless in Denver.

If you are having belt slip, first be certain that every thing else is in good shape. (Proper belt tension, pulley alignment, etc...)
Then start with what is easiest to get in your area and keep trying different belts until you find what works for you.

As far as so 'n' so tested such 'n' such is concerned; it means nothing unless it is repeatable by someone else and the test method and conditions are made public.

Just my opinion but, if I can’t see how they conducted the test I am not going to put much faith in the results.

This test has been repeated many times by many people. 95% of people that have platforms that are supercharged use these belts. Do you honestly think they all went by what one person said? The Gates belt has been tried and tested to be the best.

If you are that curious how exactly ZZP conducted the test IM him at 'zooomer' and find out. I've asked him - I would say but you guys prob. wouldn't believe me unless Zoomer came on here himself or you saw the test for yourself. Also ask him how the Gatorbacks did against the Gates - he will tell you they are in two different spectrums. I've tested the belts myself and the Gates did better... You guys have all this doubt - do the test yourself. I don't get why - I have nothing to gain from this - I'm just trying to help out who I can.