dual pattern cams

woodsnake · 06-10-2006, 06:55 PM

Update!
Well, I pulled the head, and there is not a hole in the top of the piston. There is a definate area of contact, but no visible cracks. So, Monday it's back to the machine shop to see what all is going on.......

woodsnake · 06-14-2006, 09:39 PM

Upon further inspection, ther is or was, no direct between piston and anything. The first impression was wrong. Something only happened to the valve itself, or the valve spring decided to bind up. I can pick up the head on Friday, it should be running again Friday after noon. :-)

Dark Knight · 06-16-2006, 09:00 AM

Cool, did they change the springs or retainers? Valve guides might have been to tight too..

woodsnake · 06-16-2006, 06:40 PM

Well, the head is back. The only thing we determined that could have caused a valve to stick was the quality and quantity of bad gasoline on a brand new motor. Since there is no evedence of any contact between the piston and the valve, this is what I'm going to work with. I know everybody says that it is very unlikely, and I certainly agree. But what else is there? If there is no contact, then what is wrong? Look in my '68 part 2' pictures, and keep in mind that this engine only has two to three hours run time.....

06-10-2006, 06:55 PM	#1
woodsnake woodsnake Join Date: May 2006 Location: Nampa, Id Posts: 17	Re: dual pattern cams Update! Well, I pulled the head, and there is not a hole in the top of the piston. There is a definate area of contact, but no visible cracks. So, Monday it's back to the machine shop to see what all is going on....... __________________ Disclaimer!! All info provided by the woodsnake is free, and worth what it costs!! Use with caution What can I say, I like Cougars... " yer darn right wow " http://woodsnake4462838.tripod.com/68_part_2 http://woodsnake4462838.tripod.com/cougars_at_rest/

06-14-2006, 09:39 PM	#2
woodsnake woodsnake Join Date: May 2006 Location: Nampa, Id Posts: 17	Re: dual pattern cams Upon further inspection, ther is or was, no direct between piston and anything. The first impression was wrong. Something only happened to the valve itself, or the valve spring decided to bind up. I can pick up the head on Friday, it should be running again Friday after noon. :-) __________________ Disclaimer!! All info provided by the woodsnake is free, and worth what it costs!! Use with caution What can I say, I like Cougars... " yer darn right wow " http://woodsnake4462838.tripod.com/68_part_2 http://woodsnake4462838.tripod.com/cougars_at_rest/

06-16-2006, 09:00 AM	#3
Dark Knight Registered Member Join Date: Oct 1998 Location: Az Posts: 854	Re: dual pattern cams Cool, did they change the springs or retainers? Valve guides might have been to tight too.. __________________ 84 convt,roller 302,AFR's, performer 3.55's, underdrives BBK shorties stock cam, 1.7's 13.58@102.84 and a '68 stang .. project 8 sec street car... 557 big block + N20 :-) http://members.cox.net/darkknight302/68nwrear.jpg

06-16-2006, 06:40 PM	#4
woodsnake woodsnake Join Date: May 2006 Location: Nampa, Id Posts: 17	Re: dual pattern cams Well, the head is back. The only thing we determined that could have caused a valve to stick was the quality and quantity of bad gasoline on a brand new motor. Since there is no evedence of any contact between the piston and the valve, this is what I'm going to work with. I know everybody says that it is very unlikely, and I certainly agree. But what else is there? If there is no contact, then what is wrong? Look in my '68 part 2' pictures, and keep in mind that this engine only has two to three hours run time..... __________________ Disclaimer!! All info provided by the woodsnake is free, and worth what it costs!! Use with caution What can I say, I like Cougars... " yer darn right wow " http://woodsnake4462838.tripod.com/68_part_2 http://woodsnake4462838.tripod.com/cougars_at_rest/

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