66 Dart GT HT Whatsitgonnabe?

Well, I started welding up the chambers on my heads.
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But look what appeared in the neighboring chamber.
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I’m not sure if it was the fact that I sandblasted the port that made it appear or if it widened because of the welding right next door but I’m not fixing it …
I guess I’ll be using the 273 heads in stead.

Bummer.