I've always had the opposite thoughts. Bar's Leaks is used by most manufacturers even in new cars, and is guaranteed not to void your warranty or damage the car. The metallized versions of the leak stopping products do not make those gaurantees. Bar's Leaks is basically just little organic fibers. The pellets may sink to the bottom at first, yes, but as soon as they dissolve, all of the microfibers will stay suspended in your coolant.
I have used alumi-seal twice on leaks, and twice my water pump has fried within days afterwards. Other folks, like Dave Todd, have had great success with it though. Based on my experiences and some horror stories I have heard from others, I personally would never come near it again.
-Dave (Stragand)
-----Original Message-----
From: David Todd [mailto:dave@xxxxxxxxxxxxxxxxxx]
Sent: Wednesday, June 26, 2002 1:03 PM
To: L-FORWARDLOOK@xxxxxxxxxxxxx
Subject: Re: [FWDLK] help!
Jason,
Bars Leak is not a good idea as it is the consistancy of honey and
settles in the lowest part of the cooling system, your heater core.
There is a product called Alumi-seal that is actually small pieces of
aluminum (like a dust) that fill the hole as the leak continues. You
may need two of them. After a short time of running and leaking, the
hole becomes plugged and many times, fixed permantly. If that doesn't
work, nothing will work and it will need to be replaced. Alumi-seal can
be found almost everywhere car parts are sold. It won't hurt anything
in the system and is even credited with lubricating the water pump. It
has worked for me on a cracked block (a thee inch crack just under the
head) that must have frozen before I got it, and is still working
today. Let me know if it does the trick.
Dave Todd
Roger Howard wrote:
> Jason,I guess I didnt answer your question directly.You could dump a
> bunch of BarsLeak in the radiator...knowing that you will be re-coring
> it soon.If you have to goo to the hospital every other week, you could
> take the radiator out right after your return from the hospital
>
> ----- Original Message -----
> From: Jason Pitman
> To: L-FORWARDLOOK@xxxxxxxxxxxxx
> Sent: Tuesday, June 25, 2002 6:13 PM
> Subject: [FWDLK] help!
> My radiator in my 1957 Desoto has begun to leak again.
> It has been to the shop twice in the last two months for the
> same problem. It continues to leak under the lip of the top
> tank on the engine side in the center.
> I would like to keep this setup because I have an original
> CCPD stamp on the top of the radiator tank but..is there a
> more modern unit that will bolt in that I could use for now?
>
> This car is my daily driver. I have a child that has to go
> into the hospital every other week for chemotherapy. I am
> looking for the easiest possible fix for now. Thanks! Jason
>
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