Something to consider... This is a WATERCOOLED engine. That surface should, I repeat, SHOULD never see temps anywhere close to 250 deg F. (Design temp is 192 deg F.) If it does, I suspect that you have a more serious problem than a bit of pitting. (And I just ignore it unless it's *really* severe. The 'black goop' works fine! Jim Arnott WetWesties Union, OR Rico Sapolich wrote: > > In a message dated 1/15/01 4:11:30 PM, dgalcock@HEWITT.COM writes: > > << Sam Walters' "culled from the archives" treatise (all 11 pages of it) on > JBWelding your leaky cylinder heads is now at http://www.vanagon.org >> > > On this forum, I have often read of using JB Weld to fill corrosion pits on > heads. I wonder how suitable that really is. I have only used JB Weld once > as a grout on a semi-precision leveling job and it seemed to me to be about > the same as Devcon Plastic Steel Putty. The maximum operating temperature of > Plastic Steel, and most other Devcon putties, is 250ËsF. The few Devcon > products, such as their Titanium Putty, which have higher operating > temperatures cost about 10 times as much as JB Weld, so, I tend to believe > that the JB product is probably rated for the lower operating temperature. |
Please note - During the past 17 years of operation, several gigabytes of
Vanagon mail messages have been archived. Searching the entire collection
will take up to five minutes to complete. Please be patient!
Return to the archives @ gerry.vanagon.com
The vanagon mailing list archives are copyright (c) 1994-2011, and may not be reproduced without the express written permission of the list administrators. Posting messages to this mailing list grants a license to the mailing list administrators to reproduce the message in a compilation, either printed or electronic. All compilations will be not-for-profit, with any excess proceeds going to the Vanagon mailing list.
Any profits from list compilations go exclusively towards the management and operation of the Vanagon mailing list and vanagon mailing list web site.