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ocbinva wrote:I just rebuilt the entire front end and A-arms original to a 1980 Z28. VERY serious rust. Mon - Fri I hit the nuts once in the morning and once at night. That Saturday I was able to remove everything without using a breaker bar. Next I am using it on header bolts. Best I have ever used. I also use it on vintage garden tractors and it has never failed me. Between that, vinegar, and using electrolysis I can clean up just about anything vintage.
I use it and it works great. It takes a bit of time though. For better try using your air chisel with a blunted (cut off) tip. You take that rig soak it in the mix and hammer away on the end of the bold or side of the nut . The vibration will get that oil right down in there. A guy showed me that trick on a 2" pin on an old Northcountry back hoe once. Sure works better and is far easier than beating with a BFH.
"I'm only here for the beer and yes fishing sure beats working" 1985 Tracker V17 Tournament 50 Merc
I'd been digging trying to find this thread to recall the proportions & composition of the mix (whether it was just atf & acetone or if something else were in the mix).
This is my last hope before I take a saw-z-all to the '85 60hp Merc parts motor I've got and...amputate...the block so I can get to where the driveshaft is seized to the crankshaft. All I'm after is the complete lower unit as a spare, or for ebay, but I can't separate it from the powerhead. I've got a hole through the exhaust plate at the moment so I have access to the splines on the shaft.
The FSM suggests drilling a hole in the side of the driveshaft housing and using a torch to cut the driveshaft should the situation i'm presented with develop, which is highly troublesome that it happens so often Mercury thought to comment on it in their literature.
I have a marriage license and a fishing license, but I only carry one in my wallet.
onthewater102 wrote:I'd been digging trying to find this thread to recall the proportions & composition of the mix (whether it was just atf & acetone or if something else were in the mix.
Uhhhhh ... it's a 'sticky' post (always stays at the top of the list) under the Motors forum ...
PB blaster. But before I knew about that I used vinegar. Yes vinegar. The veterinarian I used to work for wanted to be a chemical engineer prior to vet school, he discovered that the vinegar/acetic acid would break whatever and reverse the rust process.
