Anyone using cogged pulleys on a Vortech Supercharger?
If you are where can I get the supercharger pulley and the crankshaft balancer pulley? Belts too.
Thanks
John


[Modified by JohnGuc, 7:03 AM 5/14/2002]

 

I have never found a source for cogged pulleys. However, in my ATI setup, I was having belt slip problems. I changed the belt to a Dayco PolyCog belt. They are kind of hard to find. But it did seem to help:

http://www.daycoproducts.com/products/polycogbelt.htm

It was a nice compromise.

 

have you tried Gates belts?
kinda of $$$ you'll have to change all the drive pullleys
but you can order all the components.

 

Even the A/C pulley???
HAve any links? Gates are cogged belts correct?

If I can get an AC pulley with cogs on my 90 I will be on this so fast, as long as it does not cost something like $2K!

 

Gates supplies both OEM and the full-blown ( pun intended ) racing stuff


Get a hold of thier catalogs and you can build just about anything
We used it for all own projects at college :D

You need both the right sized belt & pulleys

You might get away with the stock AC pulley.
Make sure you get one that can be used in a serprentine application.
You need a belt that can that can handle the RPM and the drive HP ( the power the supercharger consumes ) usually about 100hp.

http://www.gates.com



[Modified by BrianCunningham, 9:41 PM 5/15/2002]

 

Boy that's some site.
A lot of information, I'm gonna have to call them to see if they have what I need but it looks very promising.
thanks Brian
John

 

John, post how it works out for you.

 

Will do.
It certainly looks like they have the belts.
If I use one of the Vortech Mustang pulleys for the supercharger,all I need is the balancer.
From the Gates site it looks like they may have it or will make it if they don't
Maybe they can cut mine?
We'll see.

 

You can get drive rings the center is open.
Then make up an adapter so you can bolt it to the stock balancer.
make sure it's centered.

and yes, pics please! :D

 

I'm not so sure a drive ring would fit.
If it needs to be bolted to the front of the balancer it would probably hit my crossmember and then not line up with the supercharger pulley.

I was looking at some of the Vortech lit that I have and it appeared that they may have what I needed so I figured I'd call them 1st since they should know best and maybe it would be easier to get from them.

Vortech referred me to a place called Auto Specialties in Texas. http://www.aspracing.com/frame.htm

I called them and the guy there basically said he won't build a cogged belt system for a Vette. That it's a bad idea because it would tear the balancer apart.
WTF
Why would it be a good idea for a Mustang but not a Vette?
He will build a system that converts the stock balancer to an 8 Rib system.
which also modifies the brackets so that the belt can be removed without removing the supercharger.

So what do you think is an 8 Rib belt a better idea?
Is a cogged belt on a Vette a bad idea?

If it is a good idea I'll go through Gates I think.

[Modified by JohnGuc, 11:06 PM 5/16/2002]


[Modified by JohnGuc, 11:07 PM 5/16/2002]

 

i was thinking of putting the ring around the balancer.
a plate would then be fixed to the ring.
the plate would either go infront or behind the balancer.
so the balancer would not be modied at all.
It would sit inside the ring.
and all the belts would line up.

can he build you that?

BTW I've heard the 8 rib won't fit for the same reason, not enough clearence.


[Modified by BrianCunningham, 12:57 AM 5/17/2002]

 

Thats kind of how he said he would build the 8 rib adaptor? he would press fit a ring around the balancer.

If he can do it with a rib pattern why not a cogged?
He says he won't do this with a Cogged because it isn't safe.

I just looked at the balancer again. With the 2 6 rib patterns on it now there isn't any room for another 2 ribs and still have them stay on the balancer.
The ring will have to stick out some from the front of the balancer.
2 more ribs should clear.

The big question right now is a cogged belt unsafe?

 

sorry if I'm not clear
the ring would not be pressed or fitted to the balancer at all

the ring would be bolted to the plate, which would then slip over the crank and it's key. the balancer would then be installed inside of this.

you cannot press in on directly because it would shear off do to the force.
The balancer is not solid. the 8 rib would slip enough, a cogged belt wouldn't slip at all.


[Modified by BrianCunningham, 2:05 AM 5/17/2002]

 

from http://www.blowerdriveservice.com/tech.htm

 

will one of these fit?
http://www.blowerdriveservice.com/bl...rank_hubs.html

 

John, I know this custom stuff sucks!

I have been looking at this as well for my L-98. I want to install the vortech YS trim which has to have a cog belt.
I dont have any room to add another pulley as well, and it is about killing me trying to come up with a solution
.
I have a seperate balancer and main pulley on mine (and there is about a 1" space between the 2 of them. I have about thought of every possible way to do it. they all suck!

I wanted to run a cog belt on every accessory, this is the easiest. I was told I would throw the belt.
Sounds like the fab guy you called is worried about you breaking his handy work on the balancer?

I wanted to get a custom made main pulley that moved my serpentine belt back 1 inch to that unused area I mentioned, and see if possible to machine all my accessories brackets down 1" to compensate by moving everything in 1" towards the blcok, then I could add another pulley up front with cogs to only spin the blower. I dont think it can be done with the A/C and the alternator and power steering.

I even mentioned going with a chain drive as a joke to a fab guy. hey it's skinny and wont slip! But if it breaks at 6500 rpms, I bet it blows right through the hood and seriously hurts someone!

So know I am wondering if this "polybelt" can do it? Is it less then 1" thick? I see some uses include a motorcycles drive chain. It has to work pretty good.

 

Brian
I think I understand what you mean about the ring.
I would end up being a bolt on.
Bolted to the hub but not actually the outside surface of the balancer.
This sounds like the best idea to me.
IF I can get the right ring. The cogged belt should be narrower solving the space problem.

Bill
Yeah he seems like no way will the cogged belt work without problems but except for tearing the balancer appart didnt say much what the problems are.
If he actually building this stuff on a CNC machine I dont see why he can't make a ring like Brian was talking about.

I do really like his idea about modifying the mounting bracket so that the belt can be taken on and off easier.

I dont see why the concern with throwing belts my motorcycle uses a belt drive it stays on fine.


[Modified by JohnGuc, 9:41 AM 5/17/2002]