Join Date: Aug 2001
Location: Land O Lakes, Florida
Re: Spark plug boot protectors
They are fine unless you have the boot pressing the protector directly against the header. The protector will survive OK but the heat conducted to the boot is still enough to damage it. As long as you have 1/8" or more air gap you should be OK.
1970 454 SS
460ci Big Block,
Brodix Race-Rite Ovals (115 CNC chamber)
Lunati/UD 276/284 Solid
Performer RPM Intake, Mighty Demon 850
TH400, 4.10's - BTE 10" 3200 conv.
Mostly show but can go!
Best ET 11.72 MPH 115.1