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You're taking off XB heads and replacing them with Thunderstorms? Are the XB heads damaged, is that the reason? Or are they serviceable.Thunderstorms have been discontinued and we can't get new castings anymore.We do have a set of used Thunderstorm castings in stock right now. We pick up used castings when we can, and normally only sell them with an accompanying head porting service. But we might make you a trade deal if the XB heads are serviceable.
Kinda worried about the little cracks running from the sparkplug hole to the seat .Suggestions ? Call Dan Baisley.
Quote from: turboprop on July 08, 2014, 04:26:30 AMQuote from: strokerjlk on July 07, 2014, 06:58:27 PMKinda worried about the little cracks running from the sparkplug hole to the seat .Suggestions ? Call Dan Baisley.called Ron instead. gonna do a ductile 88 er
Quote from: strokerjlk on July 07, 2014, 06:58:27 PMKinda worried about the little cracks running from the sparkplug hole to the seat .Suggestions ? Call Dan Baisley.
QuoteQuote from: turboprop on July 08, 2014, 04:26:30 AMQuote from: strokerjlk on July 07, 2014, 06:58:27 PMKinda worried about the little cracks running from the sparkplug hole to the seat .Suggestions ? Call Dan Baisley.called Ron instead. gonna do a ductile 88 er Oh heck yea!
Quote from: turboprop on July 08, 2014, 04:26:30 AMQuote from: strokerjlk on July 07, 2014, 06:58:27 PMKinda worried about the little cracks running from the sparkplug hole to the seat .Suggestions ? Call Dan Baisley.called Ron instead. gonna do a ductile 88 er Oh heck yea!
Quote from: aswracing on July 07, 2014, 10:35:10 AMYou're taking off XB heads and replacing them with Thunderstorms? Are the XB heads damaged, is that the reason? Or are they serviceable.Thunderstorms have been discontinued and we can't get new castings anymore.We do have a set of used Thunderstorm castings in stock right now. We pick up used castings when we can, and normally only sell them with an accompanying head porting service. But we might make you a trade deal if the XB heads are serviceable.I installed a new valve today in the XB head . and will be keeping them. was looking for another set ,just to get me back up for the next race.thanks for the offer. I need a set of rings for 1250 cp pistons. if you stock them I will give you a call.
Quote from: strokerjlk on July 07, 2014, 06:08:28 PMQuote from: aswracing on July 07, 2014, 10:35:10 AMYou're taking off XB heads and replacing them with Thunderstorms? Are the XB heads damaged, is that the reason? Or are they serviceable.Thunderstorms have been discontinued and we can't get new castings anymore.We do have a set of used Thunderstorm castings in stock right now. We pick up used castings when we can, and normally only sell them with an accompanying head porting service. But we might make you a trade deal if the XB heads are serviceable.I installed a new valve today in the XB head . and will be keeping them. was looking for another set ,just to get me back up for the next race.thanks for the offer. I need a set of rings for 1250 cp pistons. if you stock them I will give you a call.Tried to reply to your PM but your inbox is full.Your ring pack is 1.5/1.5/4.0, our 1250 ring pack is 1.5/1.5/3.0, so no, we don't stock a ring pack for your pistons. Give Ed at Total Seal a call, he'll fix you up.
Kinda worried about the little cracks running from the sparkplug hole to the seat .Suggestions ?
they clean. but still looks like crack from plug hole to exhaust valve.
I would keep looking.they DO NOT all look like that.same as a dealer saying "they all do that"
I've run a number of heads in our Bonneville motors that had those cracks and haven't had a failure, for whatever that's worth. We do time-sert the plug holes when we see the crack, though, which also appears to be done to the heads in the picture.