aluminium cylinder heads
aluminium cylinder heads
(OP)
anyone care to comment,
have used an epoxy glue to fill a cavity in a mazda rotary engine when bridgeporting. Worked perfectly do you think the same product would work on water corroded aly car cylinder head? The mazda part was steel [not the rotor] and the temperatures I think would be about the same. I know welding is best but not available where I am now. Thanks
have used an epoxy glue to fill a cavity in a mazda rotary engine when bridgeporting. Worked perfectly do you think the same product would work on water corroded aly car cylinder head? The mazda part was steel [not the rotor] and the temperatures I think would be about the same. I know welding is best but not available where I am now. Thanks





RE: aluminium cylinder heads
No to all of those? I've used JB Weld Marine to re-shape intake ports in piston engines, and it has stayed put for years. I have heard other recommendations for another epoxy called Splash Zone, or another called Belzona (spelling may be wrong) 1111, but JB Weld Marine has worked for me.
I have heard that epoxy will not stand up to fuel with high ethanol content. I have heard that you can seal the surface with curing-type automotive urethane clearcoat paint ... or a coat of SealAll. I haven't seen the need for it at this point - I'm just putting it out there as a "be careful" if you are using high-ethanol fuel.
RE: aluminium cylinder heads
I'd pursue PERFECT prep by abrasive blasting the corrosion out of the valleys, too.
Some epoxies emphasize that a step is a better transition than a feather edge for some applications, and some (mostly filled) products.
under surface prep here -
http://www.freemansupply.com/datasheets/Devcon/dev...
ubder "how to' tab here -
http://www.resins-online.com/ecommerce/product/px8...
RE: aluminium cylinder heads
GOLFPIN
RE: aluminium cylinder heads
Similarly the folks that take the advice that Hylomar gasket dressing/sealer is the bEsT are soon confronted with choosing among multiple products.
RE: aluminium cylinder heads