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Ron Dame

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Posts posted by Ron Dame

  1. I'm getting exhaust in the cabin, so lets start with the basics. This is Thea, a 1980 Avanti II. It has a nearly new stainless steel exhaust installed by Jon Myer before I bought the car from him. I can't hear any leaks, but my ears suck.  The trunk seal looks OK, not pristine, but not badly cracked and no serious cracks or lost chunks. It seems to close correctly and fully. The exhaust tips extend past the lower valence as they should. If the windows are all closed and the vents open, no problem.  I'm not sure about if the vents are closed. Windows down, all is OK, but some smell enters the cabin with either with any of the other glasses open or shut. If the windows are up and either the vent wings or rear vents glasses are open, I get exhaust inside.

    Where do I start looking for this?

  2. The Blaupunkt that is in there has noisy volume and balance controls and I wanted bluetooth, so like Pantera, I bought a Retrosound unit. In the middle of the  night, it occurred to me that removing the top speaker grille might work. I don't think there is actually a speaker there since I have 2 in the kick panels and 2 on the rear shelf. Thanks for the confirmation Bez!

  3. Thanks everyone. I'm used to Studebaker engines, but in close to 50 years of cars, this is honestly the first Chevy engine I've every had, except for a Stovebolt  6 in a truck. I know lots love the SBC, but it doesn't seem to be the best designed engine as far as maintenance goes. At least not in an Avanti II.

    I just re-read this... 50 years of cars. Damn I feel old.

  4. On my '80, I found one hose of a molded two-hose connector to the purge valve rotted. I cut the rotted hose off, took a 3/4" long section of brake line, pushed into the connector fitting, and re[placed the line. A dad of liquid tape to assure a seal, and it's invisible unless you look close.

  5. OK, so as far as tune, I apparently am OK, so I won't look for problems. As I'd like an LSD, I might swap to a lower numerical ratio at the same time as I'm not a speed freak, but I'm not a granny either.

  6. I bought my '80 (350/TH400) not expecting it to be an economy car, but even after a full tune and a carb kit, I'm getting only 14 MPG mixed driving, though largely highway miles. I was hoping  more around 18 in mixed, so I am wondering is it typical, or do I need to some more sleuthing?

    Thanks!

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