My new 8 rib design
Thread Starter
Le Mans Master
Joined: Jan 2003
Posts: 8,596
Likes: 19
From: Portland Oregon
My new 8 rib design
Here is my latest 8 rib blower drive design. The billet hub I designed last year is still the same but this time I got better pictures.
This is the complete assembly before the balancer parts are vulcanized back together. From the left, my billet hub, the balance inner hub, the balancer outer ring and drive side
Close up of the crank hub and the mating balancer inner hub
Frontal view of the crank hub and balancer inner hub
Side by side comparison of a stock LT4 cast iron crank hub and my billet hub. Notice the additional material behind the flange. This is because in order to machine a key slot they have cut a groove for the chips to break in during the slot maching procedure, adding addition steel here strengthens and reinforces that area.
Side view of the drive hub
This is the complete assembly before the balancer parts are vulcanized back together. From the left, my billet hub, the balance inner hub, the balancer outer ring and drive side
Close up of the crank hub and the mating balancer inner hub
Frontal view of the crank hub and balancer inner hub
Side by side comparison of a stock LT4 cast iron crank hub and my billet hub. Notice the additional material behind the flange. This is because in order to machine a key slot they have cut a groove for the chips to break in during the slot maching procedure, adding addition steel here strengthens and reinforces that area.
Side view of the drive hub
Last edited by tjwong; Jan 15, 2005 at 06:46 PM.
Thread Starter
Le Mans Master
Joined: Jan 2003
Posts: 8,596
Likes: 19
From: Portland Oregon
Originally Posted by ztrips
So is that an underdrive accessory or an overdrive blower pulley? What's the $$? Have any pics of the vortech blower mount yet?
Thanks.
Thanks.
Thread Starter
Le Mans Master
Joined: Jan 2003
Posts: 8,596
Likes: 19
From: Portland Oregon
Originally Posted by ztrips
I'm sure it's not cheap, but sweet... Will the larger diameter cause any clearance issues?
Are you going to cut keyways in the hub?
Are you going to cut keyways in the hub?
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Pro
Joined: Dec 2002
Posts: 704
Likes: 16
From: Dallas Texas
Originally Posted by Bruce
Looking very good Tom. For those want good boost? this conversion is a must.... 
Tom,
Is there anyway you could have them turn a 12-rib instead of an 8-rib? If so, I'd be interested in one....CT
Last edited by Brand-X; Jan 17, 2005 at 03:06 PM.
Thread Starter
Le Mans Master
Joined: Jan 2003
Posts: 8,596
Likes: 19
From: Portland Oregon
Originally Posted by Brand-X
Tom,
Is there anyway you could have them turn a 12-rib instead of an 8-rib? If so, I'd be interested in one....CT
Melting Slicks
Joined: Jul 2004
Posts: 3,277
Likes: 32
From: Mission Viejo California
tj, is the cost of the piece in the cost of the aluminum stock, the machining time, or just what the shop charges? I have a buddy that sells cnc machinery and every once in a while he needs to do demo's. Perhaps he could machine this stuff or have a shop that he knows do it. I like your overdriven design.
Thread Starter
Le Mans Master
Joined: Jan 2003
Posts: 8,596
Likes: 19
From: Portland Oregon
Originally Posted by qwiketz
tj, is the cost of the piece in the cost of the aluminum stock, the machining time, or just what the shop charges? I have a buddy that sells cnc machinery and every once in a while he needs to do demo's. Perhaps he could machine this stuff or have a shop that he knows do it. I like your overdriven design.
My designs are made of steel. Its not so much the cost of materials its the cost of labor
If he knows a shop that can digitize the hubs and the balancers that would be great. But generally that costs a lot of cash as well, because you still have to set the machine up to do the work. Its great if you are going to make a production run of many pieces but for just a few its not productive. I had my machine shop make hundreds of stainless steel push on hose fittings for my pulp mill instrumentation projects. In those cases it paid off because of the quanities. In fact I could beat the local Parker Hannifen and the Swagelok prices by at least 40%, which saved my company hundreds of dollars.I will be posting the finished product here in the next day or two. I have been dealing with business dealings at the shop, and its been a royal PITA
Let me give all my friends here a little bit of advice.......DON"T GO INTO BUSINESS WITH FRIENDS !!
Advanced
Joined: Feb 2003
Posts: 56
Likes: 0
From: MD
This has been done by SUPER DAMPER for carrol supercharging,
it was a custom peice part # sk-062g it cost 500.00 the 6 rib is 7" and the 8 rib on the back is 7 11/16'' . sweet piece has keyway and the outer shell is aluminum w/ hardcoating.
ATI superdamper # is 410.298.4343
This damper is said to take 3 weeks to build.
it was a custom peice part # sk-062g it cost 500.00 the 6 rib is 7" and the 8 rib on the back is 7 11/16'' . sweet piece has keyway and the outer shell is aluminum w/ hardcoating.
ATI superdamper # is 410.298.4343
This damper is said to take 3 weeks to build.
Melting Slicks
Joined: Jul 2004
Posts: 3,277
Likes: 32
From: Mission Viejo California
that's the route I'm going to go once I find a t trim. I'm going to pick it up through greg. He's been very helpful with the info. We should get a gp setup eventually. It will help the price significantly.