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-   -   The OPTIMA Batteries OneLapCamaro - Final Preparations (https://www.lateral-g.net/forums/showthread.php?t=25680)

James OLC 04-17-2010 09:00 AM
The SKF hubs are a direct replacement and bolt in exactly the same was as the standard ones. As far as benefits...

Quote:
Designed for durability and to maintain preload at sustained loading of 1.2g, these units were tested and proven on some of the European GT3 Corvettes for an entire race season. Don't settle for a tapered roller design. Tapered rollers are relatively effective for handling load, but have high friction and generate heat and rolling resistance which can lead to premature failure.

SKF Asymmetric - Roll formed design benefits:

1. High camber stiffness compared to a symmetric ball design

2. Reduced brake judder and piston knock-back

3. Roll formed and self retained without need for a stub shaft

4. Increased stiffness for better brake performance under high loads, higher preloads, less than 10 micron run-out on flange face
http://www.onelapcamaro.com/2010/skf%20hubs.jpg

mfain 04-17-2010 09:34 AM
ZR1 Hubs
 
James,

Thanks. I see Zip Products sells the hubs -- do you have another supplier?

Pappy

James OLC 04-17-2010 09:40 AM
I bought mine from the guys at the Waterford Hills Road Race Course (Direct Motorsports). I tried ordering from "the big guys" who offer these and was given the run around for three weeks - they were on their way, they were missing wheel studs, they were backordered for a month - before i had to cancel my order (horrible customer service). Finally, after seacrching for a day I found these guys who had the hubs drop shipped from SKF the same day. Incredible customer service and cheaper to boot.

Steve1968LS2 04-17-2010 08:05 PM
Quote:
Originally Posted by mfain (Post 282668)
David

What is involved in switching to the ZR1 hubs? How are they different than standard C6 hubs, and what do you gain -- stronger I assume. Will they alter any of the front geometry (scrub radius, etc)? Thanks.

Pappy
This is what I run.. I will second that they are direct bolt in deals.. MUCH stronger and stiffer and can better handle side loading from high-g turns. Where regular hubs might last a few races these tend to last a full race season or longer.

They will noT change any front geometry. Oh when you switch hubs you need new GM TTY bolts.

James OLC 04-17-2010 10:43 PM
David finished up the hitch today - welded, painted, and ready to go:

http://www.onelapcamaro.com/2010/hitch%20final%201.JPG

http://www.onelapcamaro.com/2010/hitch%20final%202.JPG

Trailer should be back from the paint shop on Wednesday.

JohnC 04-18-2010 04:33 AM
Quote:
Originally Posted by Steve1968LS2 (Post 282796)
They will now change any front geometry. Oh when you switch hubs you need new GM TTY bolts.
Sorry for the small hijack, but how do they change the geometry? and why TTY bolts? Where can I get them? I purchased my ZR1 bearings from Pfadt.

Thanks

buickfunnycar.com 04-18-2010 07:58 AM
I was over at the Pozzi's yesterday James,Dave did a real good job on the hitch.He was joking the whole time how he usually over-builds things,with this hitch for that little trailer,he had to remember to KISS.;)

Wrap looked real nice too...:unibrow:

Steve1968LS2 04-18-2010 08:02 AM
Quote:
Originally Posted by JohnC (Post 282833)
Sorry for the small hijack, but how do they change the geometry? and why TTY bolts? Where can I get them? I purchased my ZR1 bearings from Pfadt.

Thanks
They only change the geometry when you're tired and type a "W" instead of a "T" :rofl:

Seriously.. of all the places for a typo.. Shows there is a God with a sense of humor.

They will NOT change the geometry.. In fact they will help keep the geometry stable by resisting flex better.

rogue 04-18-2010 11:33 AM
Nice! Congrats. Shiny Side up :thumbsup:

David Pozzi 04-20-2010 12:28 PM
Got the new studs for the front hubs today, metric this time, 1/2" wouldn't fit.

Yesterday I picked up the freshly painted trailer, finished/tested the wiring in the trailer plug, it's inside the trunk and we'll just close the lid on the pigtail, it's a flat strip of 4 wires so it shouldn't get damaged. Need to tape things up and finish it today.
http://i117.photobucket.com/albums/o...ilerlights.jpg
Got the rear axle bearings sealed better, a few drops of oil were seeping past the O ring seals on the bearing OD.
David


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