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> 5-Lug Suspension Systems and Hubs, for use with 914 stub axles
Eric_Shea
post Feb 24 2005, 04:39 PM
Post #21


Fouett� sur la Cric stand
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If you're talking about going 5-lug on a pair of original 4-lug hubs (which is what I do) then absolutely.

1. They give the stud the proper 11mm factory depth to grab into. Without them a standard "spotfaced" hub will only have roughly 3mm of surface area for the stud to grip. You're studs will eventually loosen.

2. I now weld the entire ring boss in making it an intrigal part of the hub. Basically, a new 5-lug hub. Much stronger than the original 1970 5-lug cores.

Now... if you're talking about simply studding a 4-lug system then the factory bosses would be used so there would be no need for additional ring bosses. When you go 5-lug you only use one of the factory bosses. The remaining ring bosses I install bring the stud engagement back up to 11mm.

Hope that answers the question.
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Eric_Shea
post Mar 23 2005, 10:35 PM
Post #22


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NEW!

5-LUG ROTORS

You've asked for it, and now you have it. 5-Lug front rotor kits are now available for those who want to keep their 914 front suspension and brakes.

For SCCA racers; if your rules require a stock caliper and rotor but allow a wheel of your choice, this is exactly what you need.

The ring bosses are back! This is where our conversions shine. Again, special ring bosses have been machined and welded into place for strength and so your studs have the proper seat depth to engage. On 73 and later cars the centering ring is machined off so you can use the 5-lug Fuchs wheels (hence the extra cost on these units).

One of the problems we've had with these conversions in the past is, when your rotors are shot you'll basically need to do it all over again. This is why we've decided to offer "Cryo-Deluxe" packages. Cryogenic metal tempering treatment brings your rotor temperatures down to 300 degrees below zero. This process is designed to scramble and realign the molecules in your rotors to make them better. The distance between the molecules is more equidistant, making them stronger and taking the stress out of them. This process gives them more durability. If the metallurgy in the rotors is put together in the right manner, they last longer. This will extend the life of your rotors by 100-300%. You'll see increased pad life from 25-80%. We feel this is a must for racers (over 50% of the Nextel Cup racing teams are now using cryo parts). We also feel this is a must for anyone considering this as a long-term 5-lug front solution.

For $160.00 more than a pair of new front rotors you can be running 5-Lug!

Here's The Packages (check around... these prices are the best):

Standard 70-72

 (2) New Zimmerman Rotors
 Machined for 5-Lug
 Studded
$260.00 Plus Shipping

Standard 73-76

 (2) New Zimmerman Rotors
 Machined for 5-Lug
 Centering Ring Machined Off
 Studded
$295.00 Plus Shipping

Cryo-Deluxe 70-72

 (2) New Zimmerman Rotors
 Machined for 5-Lug
 Studded
 Cryo Treated
$360.00 Plus Shipping

Cryo-Deluxe 73-76

 (2) New Zimmerman Rotors
 Machined for 5-Lug
 Centering Ring Machined Off
 Studded
 Cryo Treated
$395.00 Plus Shipping

Shipping weight is 37lbs from 84092 and can be figured by using this site: USPS Shipping Calculator

PMB Performance - 1861 E. Gracey Lane - Sandy - UT - 84092
Call 801.674.3669

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Attached File  5_Rotor.jpg ( 53.03K ) Number of downloads: 30
 
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Eric_Shea
post Oct 7 2005, 11:02 PM
Post #23


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ProArm BOLT-ON with ELEPHANT RACING POLYBRONZE BEARINGS

We now install Elephant Racing "PolyBronze" bearings on the new "Pro Bolt-On" kit.

You get the same features as our original rear "Bolt-On" (bead blasted control arms, Zero-Rust coating, new bearings, our 5-lug hubs with original "ring bosses") but these have the PolyBronze bearings.

PolyBronze have a rigid bronze bearing core that does not deform. The polyurethane jacket absorbs mount irregularities while the bronze inner bearing remains true, providing a free-moving machined-fit that rides on a precision race. We install grease fittings that make re-lubrication a breeze and a figure 8 groove keeps grease in place.

The combination delivers zero squeaks and friction-free suspension movement. Well suited to street or track, ride quality is smooth and performance maximized. PolyBronze bearings replace compressible factory rubber bushings.

PRICE: $660.00 plus Shipping. Boxed weight is 49lbs. You can calculate postage from 84092 using this site USPS Shipping Calculator

(Elephant PolyBronze bearings are available seperate for $295.00 plus shipping)

PMB Performance - 1861 E. Gracey Lane - Sandy - UT - 84092
Call 801.674.3669

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Attached File  trailingarmbearing.gif ( 20.91K ) Number of downloads: 29
 
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MikeSpraggi
post Dec 7 2005, 12:17 PM
Post #24


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Eric,

Are you able to box your trailing arm conversion? If so, how much additional? I will be able to ship my cores to you in early January. Thanks
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Eric_Shea
post Dec 12 2005, 06:52 PM
Post #25


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Hi Mike,

Sorry for the delay. My thread subscription must have run out. I didn't see your post until now.

We can and have boxed several control arms if that's what you want. I generally recommend against it at this time because of the money spent doing it vs. the return. It's $75 for the kit and an additional $150 to weld everything on and make it right. All that for additional weight and no seat of the pants improvement. There's also a ton of arguments here on the board that point to the fact that you would want a $50.00 trailing arm to bend vs. ripping out a suspension console in an off track excersion.

All that being said... $225.000 goes a long way toward getting some trick bushings (see above) which would net instantanious results.
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eds72
post Dec 22 2005, 06:11 PM
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Hi Eric. I sent you a PM with the list of things I need.

Thanks,

Eddie.
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BKLA
post Jan 3 2006, 05:20 AM
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Just wanted to add my two cents worth. I ordered a complete trailing arm upgrade from Eric about a month ago.

5 lug modification, Elephant bushings, caliper rebuild, caliper widening and 911 ventilated rear disks.

These were originally planned for a 914 6 GT project, but I've been sidetracked by a nice 914 6 conversion. I plan to put them on the "Black Widow" 6 conversion with a completely rebuilt 78 911 SC front struts and brakes.

Eric does great work and these things are beautiful. My only concern is that the 16" 7's rears that I have will not fit due to the spacing of the vented disk. The 15" deep sixes may have to stay!

If you are thinking about keeping your stock ebrake function but want better rear brake cooling, this is the way to go.

Great job Eric!! (IMG:http://www.914club.com/bbs2/style_emoticons/default/beer.gif)
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So.Cal.914
post Oct 7 2006, 03:40 AM
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PM sent
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dbfelzer
post Jun 29 2012, 12:38 AM
Post #29


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Eric,

You still in the biz of doing the 5-lug conversions!?!? Im interested!

Thanks

David
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