Eleven
Platinum Level Sponsor
I have been trying to source coolant leaking between the block and the head on my SV. I recently had the head rebuilt as there was a hole blown in #1 by the exhaust valve. Head was R&R's and planed flat, etc. With the help of some good SAOCA club members I think I have narrowed it down to corrosion around the cooling ports. When I had it decked I think it made the holes wider and the ragged edges went outside of the head gasket ridges allowing coolant to work out. The hole was welded but to save this head it will need those ports built back up.
So, here is my question: I know that weld material and cast parts have different porosity and will expand at different rates potentially causing cracking. A friend of mine had a weld done on his race car (not Alpine) and suffered a catastrophic blow up at 185 at Road America (CanAm car). I doubt I can get it up to that speed but can see the head being cracked.
What are SAOCA Members experience with this? I am reluctant to do this and may just replace the head.
So, here is my question: I know that weld material and cast parts have different porosity and will expand at different rates potentially causing cracking. A friend of mine had a weld done on his race car (not Alpine) and suffered a catastrophic blow up at 185 at Road America (CanAm car). I doubt I can get it up to that speed but can see the head being cracked.
What are SAOCA Members experience with this? I am reluctant to do this and may just replace the head.