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670 problem, metal pinging noise, lacks power, won't warm start

You have done well, my young apprentice....

As long as you cannot catch your fingernail in the scratches on the head sealing surface, you should be ok. I think that the sealing o-rings are pretty forgiving.

You might have started a new perfomance mod. All those pits in the domes may add to airflow turbulance possibly enhancing HP.... Lol!

About miniimum and maximum engine temps, not sure. I just saw a thread related to that in the XP section talking about t-stat removal. Post a thread, somebody will answer.
 
You have done well, my young apprentice....

As long as you cannot catch your fingernail in the scratches on the head sealing surface, you should be ok. I think that the sealing o-rings are pretty forgiving.

You might have started a new perfomance mod. All those pits in the domes may add to airflow turbulance possibly enhancing HP.... Lol!

About miniimum and maximum engine temps, not sure. I just saw a thread related to that in the XP section talking about t-stat removal. Post a thread, somebody will answer.

Haha, its a 672 now... ;)
 
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