I have used heat to restore shape and it definetly works if you know what your doing , I do like the shrinking disc as well. A little faster and I think it's a little more user friendly for the novice, you can place the heat wherever you need it and quench just like the flame.
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1969 GTO street strip project 11.1 forged 461, highport heads
1995 Trans-am 420 ci sb 14:1 compression 9"ford
9.89@132 1.34 60ft SOLD!
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