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Old 04-03-2006, 07:23 PM   #1
subysouth
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Default I have a question....

What is the plate with the flexible rubber center section mounted right above the center front crossmember jacking plate?

I think it may be a there to put force on the front swaybar when it loads up but I'm not sure.

ss
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Old 04-04-2006, 03:06 AM   #2
janikphoto
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i can tell you what it is NOT there for, better than I can tell you what it IS there for...
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Old 04-04-2006, 08:57 AM   #3
xcntrk75
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[edit]

Looks like you’re talking about the tranny crossmember assembly?

The tranny crossmember is 3 individual pieces, a front, a rear, and a center which holds the two halves together via “cushion rubber” mounts where they connect. Also on the front of the tranny crossmember assembly is a "dynamic damper" which looks like a little rubber door-stop or something. I imagine this is what you're talking about? No idea what this does other then “Dynamic Dampening”…

Last edited by xcntrk75; 04-04-2006 at 09:06 AM.
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Old 04-04-2006, 09:31 AM   #4
BOY
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Reduces NVH, thats all. Its a good weight saver if you're stripping down a race car (just like the one under the engine )
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Old 04-04-2006, 09:38 AM   #5
PHATsuby
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yea if its what I am picturing its exactly what Anthony described.

Ben
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Old 04-04-2006, 06:16 PM   #6
janikphoto
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well, it it was tossed to save weight, you had better be building a race car. without all that extra dampening, your car would not feel too cozy on long road trips!!!
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Old 04-04-2006, 06:21 PM   #7
subysouth
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I guess it could be the frontmost tranny crossmember but its also the engine mount crossmember. Its under the joint where the engine mates with the tranny.

There a relatively square jacking plate on the bottom of the engine/tranny crossmember. This piece in question is sandwiched between that jacking plate and the bottom of the crossmember. Its right below the front swaybar and steering rack. I cant really see how its dampening vibration as the jacking plate is solid steel and spanning the same exact space but I dont know.

ss
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Old 04-04-2006, 10:50 PM   #8
skunkfifty
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Quote:
Originally Posted by subysouth
I guess it could be the frontmost tranny crossmember but its also the engine mount crossmember. Its under the joint where the engine mates with the tranny.

There a relatively square jacking plate on the bottom of the engine/tranny crossmember. This piece in question is sandwiched between that jacking plate and the bottom of the crossmember. Its right below the front swaybar and steering rack. I cant really see how its dampening vibration as the jacking plate is solid steel and spanning the same exact space but I dont know.

ss
i know the one you're talking about. the rubber square under the frontmost jack plate. its there to dampen vibration, i thought it wouldnt do much until i took mine out, it does make a noticable difference.

i read about it on a page, i dont remember for what, i think it was an install how to for katboy shifter bushings, or maybe a primative racing skid plate. if you use the car for comfy riding and such, i'd leave it in. taking it out doesnt make the ride any different, but it keeps something from vibrating that was annoying to listen to (at least in my case)
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Old 04-04-2006, 11:00 PM   #9
Patrick Olsen
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Mine's gone, didn't make any difference at all as far as I could tell.

Pat Olsen
'97 Legacy 2.5GT sedan
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Old 04-05-2006, 09:24 AM   #10
skunkfifty
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Quote:
Originally Posted by Patrick Olsen
Mine's gone, didn't make any difference at all as far as I could tell.
i was surprised that i did. i read that it makes no difference, so i took mine out.
however i also put on an aluminum front skid plate, i'm guessing that had something to do with the noise that cropped up.
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Old 04-05-2006, 09:20 AM   #11
xcntrk75
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So you guys are talking about the plate which spans the engine crossmember, with the steering rack and sway-bar underneath right?

Mine BD never had one of these rubber things. Only the one on the tranny cross-member assembly.

I wonder if this is a manual tranny related thing?
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