Mississippi Bullfrog Posted March 17, 2021 Share Posted March 17, 2021 Did you find the piece of metal? Just wondering how on earth something got into there. My guess is it's come in via the exhaust ports whilst the pipes were off. I used to check valves by tipping the head upside down and filling the valve chamber with petrol. If it leaked past the valves there's a problem. Obviously you have to do each one in turn when all the valves are closed. Quote Link to comment Share on other sites More sharing options...
jedibiker Posted March 17, 2021 Author Share Posted March 17, 2021 6 minutes ago, Mississippi Bullfrog said: Did you find the piece of metal? Just wondering how on earth something got into there. My guess is it's come in via the exhaust ports whilst the pipes were off. I used to check valves by tipping the head upside down and filling the valve chamber with petrol. If it leaked past the valves there's a problem. Obviously you have to do each one in turn when all the valves are closed. yeah it was stuck to the head, it was looked shiny and was steel. so a very odd find. checked all cam teeth etc and even crank teeth although they would never get up there. Something must have fallen through the valves, but id have thought they would look damaged. Very confusing. I have a guy lined up with parts, although the damaged metal doesnt really do anything. Would a little bit of missing piston matter lol Quote Link to comment Share on other sites More sharing options...
jedibiker Posted March 17, 2021 Author Share Posted March 17, 2021 this is the metal bit that was stuck. Quote Link to comment Share on other sites More sharing options...
fastbob Posted March 17, 2021 Share Posted March 17, 2021 In the original photo I thought I saw more than one piece of metal . Can you post a close up of all of them on a plain background ? I'm really intrigued by this and I am good at recognising shapes so I'd like to have a better look . Cheers . Quote Link to comment Share on other sites More sharing options...
Mr Fro Posted March 17, 2021 Share Posted March 17, 2021 My first thought was a bit of collet. I can't see how that would get there so probably not. Quote Link to comment Share on other sites More sharing options...
jedibiker Posted March 17, 2021 Author Share Posted March 17, 2021 3 minutes ago, fastbob said: In the original photo I thought I saw more than one piece of metal . Can you post a close up of all of them on a plain background ? I'm really intrigued by this and I am good at recognising shapes so I'd like to have a better look . Cheers . I only have the 1 photo of it, my dad took it i think. the other bit is a piece of the piston top that stuck into the head 1 Quote Link to comment Share on other sites More sharing options...
fastbob Posted March 17, 2021 Share Posted March 17, 2021 (edited) Food for thought . Edited March 17, 2021 by fastbob Quote Link to comment Share on other sites More sharing options...
jedibiker Posted March 17, 2021 Author Share Posted March 17, 2021 1 minute ago, fastbob said: Good for thought . Interesting thought indeed Quote Link to comment Share on other sites More sharing options...
Mississippi Bullfrog Posted March 17, 2021 Share Posted March 17, 2021 I know what that is. Look at the photo of your broken stud extractor. It's part of the jaw that snapped off. 2 Quote Link to comment Share on other sites More sharing options...
jedibiker Posted March 17, 2021 Author Share Posted March 17, 2021 you know I think I got it.. i found the bits. il add photos. But remember the chuck style stud remover that exploded when trying to use it... well il bet its that/. Quote Link to comment Share on other sites More sharing options...
jedibiker Posted March 17, 2021 Author Share Posted March 17, 2021 Just now, Mississippi Bullfrog said: I know what that is. Look at the photo of your broken stud extractor. It's part of the jaw that snapped off. hahah boom you posted as I did 1 Quote Link to comment Share on other sites More sharing options...
Ian Frog Posted March 17, 2021 Share Posted March 17, 2021 6 minutes ago, Mississippi Bullfrog said: I know what that is. Look at the photo of your broken stud extractor. It's part of the jaw that snapped off. Well spotted Sir ! Eyes like a shithouse rat without doubt. Cheers Ian 2 Quote Link to comment Share on other sites More sharing options...
Mississippi Bullfrog Posted March 17, 2021 Share Posted March 17, 2021 Just now, Ian Frog said: Well spotted Sir ! Eyes like a shithouse rat without doubt. Cheers Ian What an eloquent compliment. I shall add it to my CV next time I'm looking for a job. 1 Quote Link to comment Share on other sites More sharing options...
Ian Frog Posted March 17, 2021 Share Posted March 17, 2021 3 minutes ago, Mississippi Bullfrog said: What an eloquent compliment. I shall add it to my CV next time I'm looking for a job. Happy to help and glad to see the spirit of helpfulness continues on here. C.V writing service available for the brave only! @jedibiker Now you know what you are dealing with I hope the repair and rebuild goes well. Cheers Ian Quote Link to comment Share on other sites More sharing options...
jedibiker Posted March 17, 2021 Author Share Posted March 17, 2021 10 minutes ago, Ian Frog said: Happy to help and glad to see the spirit of helpfulness continues on here. C.V writing service available for the brave only! @jedibiker Now you know what you are dealing with I hope the repair and rebuild goes well. Cheers Ian Thanks. Im torn as the barrel is ok but top of piston has slight damage. Id bet it will run fine but if parts are reasonable Il put new piston in and new barrels, well used ones. lol.. all for not blocking the hole when using a shit tool, or checking for object.. talk about a bodge. Quote Link to comment Share on other sites More sharing options...
fastbob Posted March 17, 2021 Share Posted March 17, 2021 Damn ! I knew I'd seen that shape before ! That's what happened to my socket style stud extractor . 1 Quote Link to comment Share on other sites More sharing options...
jedibiker Posted March 17, 2021 Author Share Posted March 17, 2021 would you guys run it seeing as the little holes dont touch anything, or get barrels and pistons? Quote Link to comment Share on other sites More sharing options...
Bender Posted March 17, 2021 Share Posted March 17, 2021 As bad as it is, it's nice to find something that's caused or is part of the problem. 2 Quote Link to comment Share on other sites More sharing options...
fastbob Posted March 17, 2021 Share Posted March 17, 2021 1 hour ago, jedibiker said: would you guys run it seeing as the little holes dont touch anything, or get barrels and pistons? I'd run it . 1 Quote Link to comment Share on other sites More sharing options...
fastbob Posted March 17, 2021 Share Posted March 17, 2021 2 hours ago, jedibiker said: you know I think I got it.. i found the bits. il add photos. But remember the chuck style stud remover that exploded when trying to use it... well il bet its that/. Not wishing to appear smug but do you remember when I recommended one of these ? Quote Link to comment Share on other sites More sharing options...
Mississippi Bullfrog Posted March 17, 2021 Share Posted March 17, 2021 On the photo of the piston there is a dark area between the indentations. What is that? Quote Link to comment Share on other sites More sharing options...
jedibiker Posted March 17, 2021 Author Share Posted March 17, 2021 34 minutes ago, fastbob said: Not wishing to appear smug but do you remember when I recommended one of these ? yeah I got one and it got the stud so stuck in it i couldnt get it out. wouldnt fit other studs. defo gets a grip though, Quote Link to comment Share on other sites More sharing options...
jedibiker Posted March 17, 2021 Author Share Posted March 17, 2021 15 minutes ago, Mississippi Bullfrog said: On the photo of the piston there is a dark area between the indentations. What is that? Its the forward arrow. So you dont think those little holes would throw off compression etc? its beyond me mate. @fastbob Quote Link to comment Share on other sites More sharing options...
Mississippi Bullfrog Posted March 17, 2021 Share Posted March 17, 2021 18 minutes ago, jedibiker said: Its the forward arrow. So you dont think those little holes would throw off compression etc? its beyond me mate. @fastbob I can see the forward arrow. But on the photo I can see a much darker area between the marks that are close together. There isn't enough damage to affect compression ratio but that dark bit looks odd on the photo. Maybe it's just the light but if the piston is damaged you could get a hot spot that may cause pre-ignition or possibly burn through. But it's hard to tell from the photo I can see on my phone. Quote Link to comment Share on other sites More sharing options...
Bender Posted March 17, 2021 Share Posted March 17, 2021 22 minutes ago, jedibiker said: Its the forward arrow. So you dont think those little holes would throw off compression etc? its beyond me mate. @fastbob As a percentage it's going to be minimal, worst case piston disintegration and engine destruction. Quote Link to comment Share on other sites More sharing options...
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