While up front in the trunk just looking around, I saw what looks like a cylinder or canister between the head light bucket and the inner fender. I did not see any hoses or plumbing going to them, there is one on each side. There might be was felt like a bolt on top. Anyone have any ideas?
Currently working full time repairing Corvairs and restoring old cars.
Located in Snellville, Georgia
- Corvair of the Month
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- Location: Lake Chatuge Hayesville, NC
bbodie52 wrote:From http://corvaircenter.com/phorum/read.ph ... 366,384498
I think I could live happily in that trunk...Here is some interesting Q and A from a Camaro topic.
Seems they even had different part numbers between Camaro and firebird, and different numbers year to year!
And I still say, None of the Camaro/Firebird shakers are the same as Corvair.
Q. What are the canisters or dampeners in my convertible? Can I take these out and install something else? Also ... My convertible has a bad vibration while going down the road what could it be?
A. On the corners of convertibles there are what's called "cocktail shakers" or vibration dampeners which were originally installed on every first gen convertible Camaro to help prevent vibrations. They were installed due to a very flexible body in the convertible models because of the lack of the roof structure. Some reinforcement was added to the convertible rockers and floors but it wasn't enough to prevent all vibration problems. The cocktail shakers are large cans with a suspended mass on a spring in a viscous fluid that are mounted on the corners - 4 in all. They were tuned to a resonant frequency of the convertible that caused the vibration problems. When the body was subjected to loading that would otherwise tend to make it oscillate, much of the energy was instead absorbed by the motion of the masses in the cocktail shakers - which reduced the vibration in the convertible body. The cocktail shakers weight about 25 pounds each.
It certainly would be possible to add a large amount of structural stiffness (subframe connectors won't be anywhere near enough) to the mid-section of the body to reduce or eliminate the vibration to the point of being able to remove the cocktail shakers. However that possibility would be very remote without a complete understanding of the Camaros stress and flex points. Another option would be to design and build your own vibration dampener. That, however, would require knowledge of the structural frequencies of the Camaro convertible body not to mention knowledge of how to tune the damper you are creating. The cocktail shakers are filled with automatic transmission fluid or ATF. The fluid is not subjected to friction, high heat or contamination as is the case with other fluid applications in the vehicle so it should not "wear out". The springs would be the only thing that could change or break, that would keep them from working properly. We have never found a "bad" one, if it still has fluid in it, only cars missing them which have the common 'cowl shake' much worse than normal. If your convertible Camaro has all four cocktail shakers and you still have bad vibration problems be sure to check that your tires are balanced properly and also new OEM body bushings can help reduce some of the vibration transfer. Be sure to check your springs and shocks as well. You should also try adding subframe connectors to help with flex and vibrations
Lake Chatuge, North Carolina
1966 Corvair Corsa Convertible
The rear units are sometimes missing in convertibles. Some speculate it was to reduce rear weight, but the rear units must be removed to do any kind of body work. On the cars I've seen with them missing they all had "body work" done on the rear panel. I suspect the body shops forgot to put them back in, or didn't want too spend the time to do it.
BTW - The late 60's Camaro convertible had them in the rear unibody area.
65 Corsa 140/4
66 Corsa 140/4
66 Corsa 140/4 w/factory A/C
66 Corsa 455 Toro V8
65 Monza Convertible 110/4
66 Monza Convertible 140/4
65 Monza 4DR 140/PG w/factory A/C
65 Monza 4DR EJ20T/5