For me the bigger concern would be the amount of heat transfered from the exhaust header to the oil. Touching obviously would make a hot spot inside the oil pan that surely over time create a spot of burnt oil on the inside of the pan.
How much clearance is needed to prevent unwanted heat transfer to the oil? I don't know that number but I'm sure it's been tested and the numbers are out there.
This same concern applies to starters and brake lines.
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If it breaks. I didn't want it in the first place.
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69 GTO \ 72 FIREBIRD \ 1/2 OF A 64 GTO \ 70 JAVELIN \ 52 FORD PU \ 51 GMC PU \ 29 FORD PU \ 85 ALFA ROMEO SPYDER \ A HANDFUL OF ODD DUCATI'S \ 88 S10 LT1 BLAZER & MY DAILY DRIVER 67 SUBURBAN.
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