The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Do's/Don'ts of Engine Cleaning (Tell us your experiences...)

jimmyballpeen · 07-11-2011, 01:32 AM

Does simple green or purple power take off firewall markings? I am going to clean 40 years of oil off my engine bay and would like to keep the firewall markings

07-11-2011, 01:32 AM	#74
jimmyballpeen Registered User Join Date: Jul 2009 Location: Santa Maria, CA Posts: 56	Re: Do's/Don'ts of Engine Cleaning (Tell us your experiences...) Does simple green or purple power take off firewall markings? I am going to clean 40 years of oil off my engine bay and would like to keep the firewall markings