Some shrinking can occur with only room temperature cooling but is greatly accelerated and multiplied by cooling with either compressed air or water squirt bottle or rag but water generally tends to provide quicker cooling.
How to shrink stainless steel sheet metal.
Get an idea of how.
Often called the poor man s pullmax tuck shrinking is another way of shrinking metal to gain shape.
Before you start working the precious metal on your hot rod try heating and hammering some scrap metal.
It s ideal when lots of shrinking needs to be done and you don t have access to a machine.
If you have access to a bead roller roll yourself a bead and shrink it.
Why not just heat it and gently hammer the swell down.
Get used to this idea and your abilities will grow.
Here s a technique that was often used years ago and is still used today of how to shrink metal on a body panel after it has been damaged and stretched.
This works the other doesn t.
Heating up metal and throwing cold water on it may shrink it a tiny bit but it makes distortion and hard steel.