Or that
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If your modded in any way than your gonna have some movement regardless and on that note stock mounts are barely strong enough for the stock motor. The ZZP tranny mount is the only poly tranny mount available for our 3800 and is one of the few solutions to our motor/tranny movement.
I would think that the guys who are putting down some power have found a way to keep their motor to minimum movement. Hopefully they'll chime in soon.....
If you're willing to spend the money or find an LS4 powered W-body donor at the junkyard...
You can get a differential cover transaxle mount which mounts on the passenger side of the cradle.
Damn, both the write up and LS4 passenger cradle mount sound like great ideas but there's gotta be something simpler. May be there isn't a simpler way but I know a lot of 3800 drivers that are putting down some power that aren't using either of these ideas with minimal motor movement. Now either they're getting some major movement or they have a custom mount supporting that backside near the firewall.
I may try doing that write up as it sounds very effective, now it appears to look just like ZZP poly trans mount so what internally would keep that home made poly mount from cracking as the ZZP one does as they're both made and supported with polyurethane so there's no real difference or is there?
My bad, I totally misread it. Sounds like a plan though. You think it's equal to or better than the ZZP poly trans mount? From the way it sounds your lil modification may be a lil better bc my ZZP poly trans mount only lasted me about 2-3yrs before it cracked
The great thing about mine is you don't have to worry about it splitting cause there's no studs halfway that push pull Internally on the mount. Mine Bolts straight through.
Want to know the best way to keep your motor from moving, buy a Bonneville or PA etc. Something not W body that has all it's mounts down low. Then work on those mounts a little and you'll have no movement.
I did this with my bonneville, one little tweak to the front mount and poof..engine couldn't move.
Very true Bill, I noticed that a while back while looking at the bonneville that their motor mounts are much better positioned around the motor unlike mines where they're only on the pass & driver side. GM GM GM......
Yes and no Dee.. the 97 Bvill I had they were one dogbone off the trans diff cover (kept the trans level when you yanked an engine.), on in back of the trans one in front of the trans and one in front of the water pump. You hated that bracket/mount when doing a water pump.
Im debating as off now wheather I should reuse my poly tranny mount or just buy a new one. I leaning towards a new one bc I only see this one getting worse as time goes by. I've had it to long for ZZP to replace it.
Doing the same thing over and over again ...while expecting different results.. you know the rest...right?
Search for a post by Tengis on mounts. He fabricated basically what the Bonneville has from the factory. Also look into the 00-05 Bonneville front trans mount bracket. Not the mount..because it was junk but the bracket is spectacular.
It might sound ghetto but why not either lock wire over the whole mount or use a hose clamp. To keep the mount from wanting to pull apart and crack. I'm pretty sure thats probably the issue is the both sides of mount wanting to pull in opposite directions during hard acceleration thus causing the crack.
Thanx Bill, does the mount bracket bolt right up or do i have to do some modifying?
Lil update to this thread, so I've put the poly zzp tranny mount in and though it was a direct smooth fit I now have some type of rub. I can feel it in the pedal and seems like the RPMs are being restricted.
Looked like it cleared everything but I no my previous zzp tranny mount has never done this. Any ideas of where this rub could be coming from? All I could think of was the bolts being to tight or the axel boot rubbing but it seems to clear that.
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