Just wondering what the smallest size you can go with out having the snout machined

 

2.6" I believe if you have the zzp hub. Don't go below a 2.7", period. Your car will thank you.

 

Don't worry about that ****.

Just have grooves for the belt machined into the shaft!!

Pulley? Who needs it?

 

The zzp 2.6 says no machining required but I still had to sand the snout a bit to make it work.

 

its better to get the S2 and then get a smaller pulley. you will see more of an improvement our your car.

 

Machine the **** out of it and throw a 2.3" on there

 

Um...yeah...

 

2.5 i believe is the smallest..i think it was lsjwannabe that had a setup with a 2.5 for a while..but yea wouldn't go lower than like 2.8 probably

 

2.0 pulley ftw. you will get 100hp and all you need is a heat exchanger. 305whp with just a pulley swap. your injectors are good for that. any lower and you will need bigger ones though.

 

i think its more like 115 hp with a 2.0... ive had mine for a while and i take out 03 cobras like nothin...

 

Lowest is a 2.6" and it may require a little sanding, i ran a 2.5" and you can actually go with a 2.3" or 2.35" a few companies make them.

 

im running a 2.6 with no machining

 

had zzp 2.6 pulley on mine no sanding but i would not do it again stay with 2.8 or so iv herd i now run a 3.1 my self

 

why do you guys go back to a bigger pulley?

 

because a smaller pulley will only help until you hit that point of diminishing returns. I believe GM says that their 2.99 for S3 is that point. You may still see gains from smaller pulleys but its at the cost of over-spinning the blower, pushing it past its efficiency point and producing WAY more heat than intended for the stock cooling system. Not to say you can't do it or that if you do it won't be safe, just that most have agreed that pulleys ~2.7 or larger seem to be safer and/or more reliable more of the time.

 

ok ya was just wondering I'm running intense stage 3 kit it came with a 2.9 i want to run a little smaller, sucks cuz im up in utah and dont see the # i would like