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| jhammons01 | C-Beam "Plates" | ||
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I'm not getting this one.....
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I admit, I'm not understanding this concept or how it works. |
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Posted on: 2009/6/10 15:57
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| pianoguy | Re: C-Beam "Plates" | ||
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Posted on: 2009/6/10 16:20
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1996 LT4 �Before you criticize someone, you should walk a mile in their shoes. That way when you criticize them, you are a mile away from them and you have their shoes.�- Jack Handey |
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| Matatk | Re: C-Beam "Plates" | ||
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Makes it easier to remove/install the c beam and/or components attached to it, ie trans and diff. The c beam plates sold by ZF doc as illustrated in Brad's link are basically nuts that are welded to a plate so the c-beam bolts can thread through them without having to hold a wrench on the top of the beam (a real PIA!). IMHO, great little part, way overpriced.
Matthew |
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Posted on: 2009/6/10 16:39
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2002 EBM convertible, Magnusson supercharger, cam, headers, etc. 1989 Corvette...RIP |
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| jhammons01 | Re: C-Beam "Plates" | ||
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Senior Guru
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Oh, I get it now.......Yes...$200 bones....I'm in the wrong business.
I was imagining some plates that made it easier to wriggle free once the four large bolts were removed. |
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Posted on: 2009/6/10 16:44
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| pianoguy | Re: C-Beam "Plates" | ||
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They're a little less than the listed price. I figure by the time I ran around to the store, cut it wrong, broke a drill bit, cut my finger, drilled it wrong, went back to the store, went to get it welded, etc. it's a wash.
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Posted on: 2009/6/10 16:54
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1996 LT4 �Before you criticize someone, you should walk a mile in their shoes. That way when you criticize them, you are a mile away from them and you have their shoes.�- Jack Handey |
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| BrianCunningham | Re: C-Beam "Plates" | ||
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Senior Guru
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They're worth it
I installed a set last time I change my clutch. Of course that's how I also found out either I need a engine mount, or batwing mounts. My shift lever hits the console when I shift. |
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Posted on: 2009/6/10 17:16
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Polo Green 95 LT1 6-spd http://mysite.verizon.net/vzevcp74/ 383 LT1/Vortech Supercharger/AFR heads/Rod end suspension/Penske-Hardbar dual rate coilovers/Wilwood 6pot brakes NCCC Governor: http://BayStateCorvetteClub.com |
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| CentralCoaster | Re: C-Beam "Plates" | ||
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Senior Guru
 
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I can see the benefit, but not at that price. I also hear so many voodoo stories about it making the car handle better.
A $10 crescent wrench has always worked for me. I tighten the forward one first, then the back one. I've never had my cbeam bolts come loose, and I've been under there many times for other reasons. |
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Posted on: 2009/6/10 17:36
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1985 Z51, ZF6 |
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| anesthes | Re: C-Beam "Plates" | ||
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Agreed. I had mine apart at least 10 times and I never had a problem. -- Joe |
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Posted on: 2009/6/10 18:32
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| Livin_the_dream | Re: C-Beam "Plates" | ||
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I always thought that besides the ease of getting loose. Which I have had no problem with either. That the area of the plate top and bottom would hold better than a washer, stiffening things up more. I was just gonna use plates and forget about the welding
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Posted on: 2009/6/10 19:14
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| CentralCoaster | Re: C-Beam "Plates" | ||
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The beam is already 1/4" aluminum, which distributes the clamping force.
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Posted on: 2009/6/10 20:15
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| Mekanic | Re: C-Beam "Plates" | ||
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Registered Vendor
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I'm thinking about getting them when I get around to doing my clutch because my shifter rises about 3/4" on hard acceleration, and from reading about these plates, they seem to eliminate trans movement
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Posted on: 2009/6/10 23:18
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~Rich Polo LT4 Yea tho I walk through the valley in the shadow of rice, I shall fear no turbo, for torque art with me. |
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| bogus | Re: C-Beam "Plates" | ||
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I got them 7 years ago. I have found that the rear end doesn't kick to the right as it used to without them.
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Posted on: 2009/6/11 1:47
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The single biggest problem with communication is the illusion that it has taken place. - George Bernard Shaw Education is the best tool to overcome irrational fear. - me |
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| vetteoz | Re: C-Beam "Plates" | ||
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Senior Guru
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Same here ,made my own.Made a difference when 4+3 was in the car. |
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Posted on: 2009/6/11 2:02
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| Livin_the_dream | Re: C-Beam "Plates" | ||
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True but it is localized in the area the size of the washers The plates distribute the clamping force over a larger area. For instance take a C clamp and tighten it real tight on a piece of wood and you get dimples from the clamp on the wood. Now put a 2inch X 4inch plate between the wood and the C clamp and tighten again on another area of the wood. Either no dimple or a much larger dimple. On the C beam I feel the plates help to hold the C beam to the tranny and rear tighter than 2 washers making the whole unit stiffer |
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Posted on: 2009/6/11 2:03
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| pianoguy | Re: C-Beam "Plates" | ||
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Aside from making it easier to work on, that's the thing I'm hoping to cure as well. |
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Posted on: 2009/6/11 2:05
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1996 LT4 �Before you criticize someone, you should walk a mile in their shoes. That way when you criticize them, you are a mile away from them and you have their shoes.�- Jack Handey |
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| Josh | Re: C-Beam "Plates" | ||
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Guru
 
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I did it for ease of working, I wasn't looking for a performance gain. I've had the C-beam out of my car God knows how many times and never had a problem without them.
It only takes me a couple minutes to do both sets of bolts now. In the past I would put the front bolt in, work my hand a wrench up onto the top of the beam, hold the nut, tighten the bolt which invariably pinned the wrench to the body, fight with the wrench to get it off the nut, finally win that battle, then move onto the next bolt only to repeat the process. Now, I just put the bolts in. I didn't notice any difference in performance, handling, noise, shifter rise, or any of the things others have reported the beam plates curing. |
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Posted on: 2009/6/11 3:11
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"Have ya paid your dues, Jack?" "Yessir, the check is in the mail." - Jack Burton |
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| CentralCoaster | Re: C-Beam "Plates" | ||
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Senior Guru
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You missed my point. In order for the beam not to slip, you need the C-beam to be tight against the tranny snout. In stock form, the bolt force is distributed via a 1/4" thick aluminum. With plates, the bolt force is distributed via 1/2" thick aluminum. So yeah, it will be over a larger area, but in stock form it's still much larger than just where the washers go. But now that you mention it, some thicker washers would be almost as good. |
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Posted on: 2009/6/11 4:37
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1985 Z51, ZF6 |
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| jhammons01 | Re: C-Beam "Plates" | ||
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Senior Guru
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c'mon guys......there is no way that adding those plates does anything concerning performance....It's either loose and allowing shift....or it's tight enough with or without plates or washers.....
"I also hear so many voodoo stories about it making the car handle better. " |
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Posted on: 2009/6/11 5:37
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| vetteoz | Re: C-Beam "Plates" | ||
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Senior Guru
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Many happy campers out there. I have pulled beams out of 2 manual cars were even though the bolts where tightened to spec, the the bolt holes in the beam at trans end were elongated so something ain't holding tight enough. |
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Posted on: 2009/6/11 7:48
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| jhammons01 | Re: C-Beam "Plates" | ||
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Senior Guru
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^^I fully concede that point...and yes if the bolts are "loose" then that is a whole topic on body rigidity and Stiffness for suspension sake.
That being said, if the c-beam is under normal factory specs....having a plate or a washer on the outside of it will not do anything more.... it's either tight enough or it improperly maintained...... this is my same "tact" I take when people start talking about modifying their cooling systems, complaining about higher temps, all the while running a 20+ year old sludge filled radiator. Why go through the trouble if modifying something when "if" that item was maintained properly it would work just fine in stock form......that is all |
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Posted on: 2009/6/11 14:40
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| Livin_the_dream | Re: C-Beam "Plates" | ||
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Senior Guru
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Yup I did I kind of took that for a given. Which I find is way easy to do on the interweb  |
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Posted on: 2009/6/12 1:31
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| CentralCoaster | Re: C-Beam "Plates" | ||
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Senior Guru
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I won't assume that the factory just got it right. Personally I would have designed a shape into the snout or beam that caused it to lock into place. Relying on just the bolt isn't a great idea.
And yeah, I've pulled beams that had ovalled out holes. |
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Posted on: 2009/6/12 2:52
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