{"product_id":"screw-crusader-rs5122","title":"Screw | Crusader RS5122","description":"\u003ch2\u003eScrew | Crusader RS5122\u003c\/h2\u003e\n\u003cp\u003eScrew | Crusader RS5122\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCrusader Screw\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eAdditional Information\u003c\/h5\u003e\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eIs there an octane grade that is advised for Crusader engines given the current rise in gas prices?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMaximum performance is attained while using 87 octane fuel since Crusader fuel injected engines are tuned to run on it. For usage with the factory-set ignition timing, premium regular gasoline with a (R+M\/2) octane rating is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes crusader recommend a specific type of oil for their engines?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUse a high-quality SAE 15W-40 \"SJ\" when the average temperature is over 50 degrees Fahrenheit. Use SAE 5W-30 \"SJ\" below 50.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003e It is not advised to use synthetic oils in Crusader engines.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExplain Crusader's position on ethanol use?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis warning only applies to CRUSADER engines and their usage of ethanol fuels. The usage of ethanol fuels in vessel-related parts such as boat gas tanks, boat fuel lines, boat fuel filters, etc. is not addressed. The boat owner is STRONGLY ADVISED to speak with the boat manufacturer about whether using ethanol fuel in their boat is appropriate.\u003c\/p\u003e\n\u003cp\u003eEthanol-blend fuel with an E10 or below rating is permissible.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eFuels with ratings greater than E10 is NOT advised.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eHigher than E10 ethanol fuels have the potential to harm the engine and\/or create hazardous boating conditions. The guarantee does not apply to harm to the engine brought on by the use of ethanol gasoline with an E10 rating or above.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat kind of coolant is recommended to be used in a Crusader engine \/ cooling system?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor engines with closed cooling systems, Crusader suggests mixing 50% DEX-COOL to 50% water, or any other suitable extended life coolant (pink\/orange in hue). Overheating may result from coolant levels greater than 50%. Do not combine DEX-COOL with conventional silicated coolant or use it in its place (green in color).\u003c\/p\u003e","brand":"Crusader","offers":[{"title":"Default Title","offer_id":38043894776003,"sku":"CRU-RS5122","price":0.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2712\/8720\/files\/Screw-Crusader-RS5122.jpg?v=1776965202","url":"https:\/\/www.macombmarineparts.com\/products\/screw-crusader-rs5122","provider":"MacombMarineParts.com","version":"1.0","type":"link"}