Keggor mod question
Record Breaker
Joined: Dec 2008
Posts: 1,200
Likes: 1
From: Claremont NC
I already fixed mine, using shorter bolts, but the way you said it makes it sound like you have facts to back it up. I am just curious. At the variations of temperature that these engines see, I really have a hard time believing that the difference in metal cooling time would be a problem.
More likely in my opinion the failure (if it does happen again) would be because (as Zman has pointed out in the past) some of the bolts on the plate might be spaced a bit too far apart, and since steel flexes more than aluminum, it might not be able to keep enough pressure on the gasket, letting it blow out. But, as you said, only time will tell.
Administrator
Joined: Apr 2010
Posts: 87,437
Likes: 4,217
From: Clayton MI
I did the math on the difference in expansion rates...... and the amount of movement was TINY. Couple thousandths of an inch at most. The bolts being too long, and not allowing proper clamping force on the gasket has a much higher likelihood of being the real culprit here.
I did the math on the difference in expansion rates...... and the amount of movement was TINY. Couple thousandths of an inch at most. The bolts being too long, and not allowing proper clamping force on the gasket has a much higher likelihood of being the real culprit here.
