Operation Lockdown Completed - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 05-25-2006, 09:54 AM   #1
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Default Operation Lockdown Completed

Well, as many of you know I have been having axle/trans case issues with the current power I'm making and the stock motor mount combination. I took the car over to Bob Cook'* (Scott'* brother) house last night and had him stick a couple Hiem joints on the front of the car to basically lock the motor down to the cradle. It is the same thing he did to BADSSEi a couple of years ago when it started having similar issues. If you have not read about my recent track disasters its a pretty good read (with some cool pictures) at http://www.bonnevilleclub.com/forum/...ic.php?t=54223 .

Bob is a MASTER at his welding and building craft. He and his son Rob took great care of the car and had the whole thing done in a couple of hours including building the joints from scratch using chrome molly tubing.

The end results are very satisfying. Motor travel has been reduced to about 20% of its previous and this is due to the compression of the rear mount. Just locking down the front there is not anything we can do about that at the moment and I hope we don't have too. My fear of having the car very stiff for daily driving has been relieved. The car feels the same as it always has with only a bit more vibration in the pedal but I'm not sure if that is due to the wire rerouting we did installing my new N* throttle body (more on this in another thread) or the new lockdown joints.

Anyway, here are few pictures of the completed project.





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Old 05-25-2006, 10:00 AM   #2
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Looks great Todd...

Now go get some new PB'*...
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Old 05-25-2006, 10:13 AM   #3
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looks like they took pretty good care of you Todd.
Looks excellent.
Hopefully your CV shafts will stay in tact now lol...
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Old 05-25-2006, 12:56 PM   #4
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That'* pretty cool. BTW - Has anyone every tried using a driverside upper motor mount and dog bone from a GTP on the Bonneville?
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Old 05-25-2006, 01:14 PM   #5
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Quote:
Originally Posted by TommyGloves
That'* pretty cool. BTW - Has anyone every tried using a driverside upper motor mount and dog bone from a GTP on the Bonneville?
The crossbeam is much smaller (thinner) than on the w-body which is reinforced. The net effect is that the crossmember would probably bow intowards the motor.
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Old 05-25-2006, 05:27 PM   #6
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Looks good!

Just wondering what kind price range this "mod" would be in for the average costumer?
As we are working on something to keep the angle more correct ourselves, and beleive we have found a "cost effective" solution.


-Jeremiah
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Old 05-25-2006, 06:44 PM   #7
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Wow thats pretty neat. Hope that resolves your axle issues.
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Old 05-25-2006, 08:39 PM   #8
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why havent u done the solid front motor mount? kinda pointless now, but still
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Old 05-26-2006, 09:00 AM   #9
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Looks good Todd !
Now time for some track testing
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