{"product_id":"socal-diesel-custom-ground-9100-keyed-duramax-camshaft","title":"SoCal Diesel Custom Ground 9100 Keyed Duramax Camshaft","description":"\u003ch2 data-start=\"185\" data-end=\"251\"\u003eSoCal Diesel 9100 Alternative Fire Camshaft (LB7–L5P Duramax)\u003c\/h2\u003e\n\u003cp data-start=\"252\" data-end=\"300\"\u003e\u003cstrong data-start=\"252\" data-end=\"300\"\u003eAlternative Fire Order | Extreme Builds Only\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"302\" data-end=\"646\"\u003eSoCal Diesel custom ground camshafts are designed to maximize performance by improving airflow and optimizing valve events for specific build goals. The camshaft is one of the most important parts of your Duramax engine’s breathing characteristics, and choosing the correct profile makes a major difference in turbo spool, power, and RPM range.\u003c\/p\u003e\n\u003cp data-start=\"648\" data-end=\"880\"\u003eThe \u003cstrong data-start=\"652\" data-end=\"670\"\u003eSoCal 9100 cam\u003c\/strong\u003e is designed for \u003cstrong data-start=\"687\" data-end=\"713\"\u003eextreme Duramax builds\u003c\/strong\u003e running \u003cstrong data-start=\"722\" data-end=\"745\"\u003elarge single turbos\u003c\/strong\u003e, or high-end \u003cstrong data-start=\"759\" data-end=\"783\"\u003etwin\/compound setups\u003c\/strong\u003e. This is a purpose-built high RPM cam intended for racing and pulling applications — not towing.\u003c\/p\u003e\n\u003cp data-start=\"882\" data-end=\"902\"\u003e\u003cstrong data-start=\"882\" data-end=\"902\"\u003eIncludes keyway.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"904\" data-end=\"907\"\u003e\n\u003ch2 data-start=\"909\" data-end=\"965\"\u003eAlternative Fire Order (Crankshaft Longevity Upgrade)\u003c\/h2\u003e\n\u003cp data-start=\"967\" data-end=\"1113\"\u003eSoCal Diesel pioneered the \u003cstrong data-start=\"994\" data-end=\"1022\"\u003eAlternative Firing Order\u003c\/strong\u003e camshaft option for the Duramax platform to help extend crankshaft life under extreme use.\u003c\/p\u003e\n\u003cp data-start=\"1115\" data-end=\"1365\"\u003eThe OEM Duramax firing order ends with cylinder 3 and begins with cylinders 1 and 2 — creating a \u003cstrong data-start=\"1212\" data-end=\"1243\"\u003e3–1–2 hit to the crankshaft\u003c\/strong\u003e. Duramax cranks often fail behind the first rod throw near the second main journal, which is where this stress stacks up.\u003c\/p\u003e\n\u003cp data-start=\"1367\" data-end=\"1565\"\u003eBy moving cylinders \u003cstrong data-start=\"1387\" data-end=\"1423\"\u003e3, 1, and 2 away from each other\u003c\/strong\u003e, the alternate firing order spreads the load across the crankshaft and helps it survive more abuse in high horsepower, high RPM applications.\u003c\/p\u003e\n\u003cp data-start=\"1567\" data-end=\"1739\"\u003eTo run alternate fire, a few injector pins must be swapped so the ECM commands the correct cylinders. \u003cstrong data-start=\"1669\" data-end=\"1739\"\u003eWiring diagrams and instructions are included with every purchase.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"1741\" data-end=\"1744\"\u003e\n\u003ch3 data-start=\"1746\" data-end=\"1772\"\u003e9100 Camshaft Benefits\u003c\/h3\u003e\n\u003cul data-start=\"1773\" data-end=\"2054\"\u003e\n\u003cli data-start=\"1773\" data-end=\"1849\"\u003e\n\u003cp data-start=\"1775\" data-end=\"1849\"\u003eGreat camshaft for \u003cstrong data-start=\"1794\" data-end=\"1819\"\u003eextreme engine builds\u003c\/strong\u003e utilizing large turbochargers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1850\" data-end=\"1907\"\u003e\n\u003cp data-start=\"1852\" data-end=\"1907\"\u003e\u003cstrong data-start=\"1852\" data-end=\"1872\"\u003eVery quick spool\u003c\/strong\u003e on large single turbo applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1908\" data-end=\"1958\"\u003e\n\u003cp data-start=\"1910\" data-end=\"1958\"\u003eExcellent for \u003cstrong data-start=\"1924\" data-end=\"1958\"\u003etwin and compound turbo setups\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1959\" data-end=\"1995\"\u003e\n\u003cp data-start=\"1961\" data-end=\"1995\"\u003e\u003cstrong data-start=\"1961\" data-end=\"1987\"\u003eAlternative Fire Order\u003c\/strong\u003e pattern\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1996\" data-end=\"2054\"\u003e\n\u003cp data-start=\"1998\" data-end=\"2054\"\u003e\u003cstrong data-start=\"1998\" data-end=\"2025\"\u003eRace \/ pulling use only\u003c\/strong\u003e (not recommended for towing)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2056\" data-end=\"2059\"\u003e\n\u003ch3 data-start=\"2061\" data-end=\"2089\"\u003eCam Specs \/ Requirements\u003c\/h3\u003e\n\u003cul data-start=\"2090\" data-end=\"2300\"\u003e\n\u003cli data-start=\"2090\" data-end=\"2130\"\u003e\n\u003cp data-start=\"2092\" data-end=\"2130\"\u003eRequires \u003cstrong data-start=\"2101\" data-end=\"2130\"\u003e.075 piston valve pockets\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2131\" data-end=\"2161\"\u003e\n\u003cp data-start=\"2133\" data-end=\"2161\"\u003eRPM range: \u003cstrong data-start=\"2144\" data-end=\"2161\"\u003e2500–5200 RPM\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2162\" data-end=\"2199\"\u003e\n\u003cp data-start=\"2164\" data-end=\"2199\"\u003e\u003cstrong data-start=\"2164\" data-end=\"2199\"\u003eRequires a high-stall converter\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2200\" data-end=\"2229\"\u003e\n\u003cp data-start=\"2202\" data-end=\"2229\"\u003eValve lash: \u003cstrong data-start=\"2214\" data-end=\"2229\"\u003e.012 \/ .012\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2230\" data-end=\"2300\"\u003e\n\u003cp data-start=\"2232\" data-end=\"2269\"\u003eRecommended lifters: \u003cstrong data-start=\"2253\" data-end=\"2269\"\u003eLLY or newer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2272\" data-end=\"2300\"\u003e\n\u003cli data-start=\"2272\" data-end=\"2300\"\u003e\n\u003cp data-start=\"2274\" data-end=\"2300\"\u003e\u003cstrong data-start=\"2274\" data-end=\"2300\"\u003eDo NOT use LB7 lifters\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-end=\"2075\" data-start=\"1967\"\u003e\n\u003cli data-end=\"2075\" data-start=\"2046\"\u003e\n\u003cp data-end=\"2075\" data-start=\"2048\"\u003eValve lash: \u003cstrong data-end=\"2075\" data-start=\"2060\"\u003e.012 \/ .012\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"socal","offers":[{"title":"STANDARD","offer_id":48769036583152,"sku":null,"price":1299.99,"currency_code":"USD","in_stock":true},{"title":"ALTERNATE","offer_id":48769036615920,"sku":null,"price":1299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/5136\/1520\/products\/M144770717.jpg?v=1673032214","url":"https:\/\/delaneysdiesel.com\/products\/socal-diesel-custom-ground-9100-keyed-duramax-camshaft","provider":"Delaney's Diesel","version":"1.0","type":"link"}