{"product_id":"btr-gen-iii-iv-ls-truck-cam-stage-1-v3-btr-lstruckstg1-v3-btr-lstruckstg1-v3","title":"BTR GEN III \u0026 IV LS TRUCK CAM - STAGE 1 - V3 - BTR-LSTRUCKSTG1-V3","description":"\u003ch3 style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(35, 111, 161);\"\u003eBTR GEN III \u0026amp; IV LS TRUCK CAM - STAGE 1 - V3 - BTR-LSTRUCKSTG1-V3\u003c\/span\u003e\u003c\/h3\u003e \u003ch3 style=\"text-align: center;\"\u003eSpecs: 201\/21X, .542\"\/.542\", 111 LSA\u003c\/h3\u003e \u003ch3 style=\"text-align: center;\"\u003eINTAKE LOBE LIFT @ TDC: 0.0284\"\u003c\/h3\u003e \u003cp\u003e  \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eThe new BTR V3 Truck Camshafts\u003c\/strong\u003e are the result of our most extensive truck cam development program ever, delivering more average torque and horsepower under the curve—perfect for trucks that need strong midrange performance \u0026amp; enhanced towing capability. \u003c\/p\u003e \u003cp\u003eThese cams use advanced valvetrain simulation and dynamic modeling tools, with \u003ca tabindex=\"0\" href=\"https:\/\/youtu.be\/7O0KiQlU3OM\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: rgb(22, 145, 121);\"\u003e\u003cstrong\u003eSpintron\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e development on both square and cathedral port heads to guarantee reliable, stable valvetrain performance across all possible platforms.\u003c\/p\u003e \u003cp\u003eNext, we use engine and chassis dyno testing, using full-length truck single and dual exhaust systems and OEM-style intakes.  High-speed exhaust and intake port sensors and in-cylinder combustion pressure measurements on the dyno give feedback on pressure wave dynamics in real time. We perform hundreds of dyno runs to fine-tune cam timing, valve overlap, and exhaust scavenging, maximizing torque and efficiency across the RPM range.\u003c\/p\u003e \u003cp\u003eThese “Truck” cams receive the same engineering rigor and combustion development as our race programs. \u003cstrong\u003eNo old catalog lobes!\u003c\/strong\u003e Our goal was a clean-sheet design to bring true motorsport-level engineering discipline to the street and towing world, using the same high-end analytical tools, Spintron lobe development techniques, and wave-based combustion tuning methodologies trusted in professional racing. \u003ca tabindex=\"0\" href=\"https:\/\/youtu.be\/-bJKq19W5S8\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003ePlus, you're getting a 100% USA-designed \u0026amp; made product!\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003eBTR SKU:                                                   \u003cstrong\u003eBTR-LSTRUCKSTG1-V3     \u003c\/strong\u003e          \u003c\/p\u003e \u003cp\u003eCamshaft Description:                            \u003cstrong\u003eBTR LS TRUCK V3 STAGE 1  \u003c\/strong\u003e                                          \u003c\/p\u003e \u003cp\u003eEngine Family:                                        \u003cstrong\u003e  GEN III \u0026amp; IV LS Applications    \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eRecommended Engine Size:                \u003cstrong\u003e  4.8-6.2L   \u003c\/strong\u003e           \u003c\/p\u003e \u003cp\u003eRecommended Valve Springs:               \u003cstrong\u003eBTR-SK018, SP011-16\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cem\u003eNOTE: IF YOU HAVE A 6.0 OR 6.2 TRUCK ENGINE WITH SQUARE PORT HEADS, THE BTR-SK018 SPRING KIT IS RECOMMENDED.         \u003c\/em\u003e                       \u003c\/p\u003e \u003cp\u003eRecommended Lifters\/Lifter Trays:      \u003cstrong\u003e(LS7 Lifters) X12499225, (Trays) BTR95365-4    \u003c\/strong\u003e  \u003c\/p\u003e \u003cp\u003eSuggested Pushrod Length:                  \u003cstrong\u003e 7.400\"  \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e                                                                       \u003c\/p\u003e \u003cp\u003eINTAKE DURATION @.050\":                   \u003cstrong\u003e201°      \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eEXHAUST DURATION @.050\":             \u003cstrong\u003e  21X°   \u003c\/strong\u003e   \u003c\/p\u003e \u003cp\u003eLOBE LIFT INTAKE:                                 \u003cstrong\u003e 0.319\" \u003c\/strong\u003e \u003c\/p\u003e \u003cp\u003eLOBE LIFT EXHAUST:                              \u003cstrong\u003e0.319\"  \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eINTAKE LOBE LIFT @ T.D.C.:                \u003cstrong\u003e  0.0284\"    \u003c\/strong\u003e          \u003c\/p\u003e \u003cp\u003eROCKER ARM RATIO:                         \u003cstrong\u003e     1.7:1     \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eNET LIFT INTAKE:                                  \u003cstrong\u003e   0.542\"  \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eNET LIFT EXHAUST:                         \u003cstrong\u003e        0.542\"  \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eLOBE SEPARATION ANGLE:                  \u003cstrong\u003e  111°    \u003c\/strong\u003e   \u003c\/p\u003e \u003cp\u003eEXPECTED IDLE VAC 750RPM:            \u003cstrong\u003e   32 (kpa)\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e                                             \u003c\/p\u003e \u003cp\u003eRPM Operating Range:                               \u003cstrong\u003e 1200-6000       \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eIdle Quality:                                                  \u003cstrong\u003e  Minimal change in idle quality from stock     \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eChop Scale:                                                    \u003cstrong\u003e1\/10      \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eExpected Cam Swap Gains (P2P):              \u003cstrong\u003e 41+ Horsepower, 19+ lb\/ft, extra   \u003c\/strong\u003e      \u003c\/p\u003e \u003cp\u003eTorque Converter Characteristics:              \u003cstrong\u003eWorks well with factory converters!  \u003c\/strong\u003e \u003c\/p\u003e \u003cp\u003e'Drivability':                                                    \u003cstrong\u003eStock Drivability with added Torque Everywhere      \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e                                             \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eDYNO TESTING CONFIGURATION:                                    \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eDyno data collected with stock GEN IV 5.3L short block with stock 243 heads, BTR98544 head gaskets, TBSS Intake, Silverado Headers, and Speed Engineering NNBS Y-Pipe, and full-length 3.5” Single Exhaust with Muffler. \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e  \u003c\/p\u003e \u003cp\u003e\u003cimg style=\"width: 900px; height: 408px;\" src=\"https:\/\/briantooleyracing.com\/media\/wysiwyg\/53DynoRoom_CamSwap.jpg\" alt=\"\" width=\"900\" height=\"408\"\u003e\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e\u003cbr\u003e\u003cstrong\u003e  COMPARING CAMS:        \u003cspan style=\"color: rgb(35, 111, 161);\"\u003eBTR Stage 1 V3 Truck Cam\u003c\/span\u003e to \u003cspan style=\"color: rgb(186, 55, 42);\"\u003eOEM 5.3 Truck Cam\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e\u003cimg style=\"width: 900px; height: 439px;\" src=\"https:\/\/briantooleyracing.com\/media\/wysiwyg\/BTR-LSTRUCKSTG1-V3_vs_OE_Plot.png\" alt=\"\" width=\"900\" height=\"439\"\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePEAK TO PEAK GAINS:        BTR-LSTRUCKSTG1-V3 TO OE CAM     \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eHORSEPOWER GAIN PEAK-PEAK (HP):              41.2(HP)\u003c\/p\u003e \u003cp\u003eHORSEPOWER % GAIN PEAK-PEAK:                  11.0%   \u003c\/p\u003e \u003cp\u003eTORQUE GAIN PEAK-PEAK(lb\/ft):                       19.2(lb\/ft)\u003c\/p\u003e \u003cp\u003eTORQUE % GAIN PEAK-PEAK:                             4.9%     \u003c\/p\u003e \u003cp\u003e                                             \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eAVERAGE GAINS:                                   BTR-LSTRUCKSTG1-V3 TO OE CAM     \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eAVG HORSEPOWER GAIN (HP):                            9.4 (HP)\u003c\/p\u003e \u003cp\u003eAVG HORSEPOWER % GAIN:                                3.8%     \u003c\/p\u003e \u003cp\u003eAVG TORQUE GAIN (lb\/ft):                                    12.9 (lb\/ft)\u003c\/p\u003e \u003cp\u003eAVG TORQUE % GAIN:                                           3.5%    \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eRPM RANGE FOR AVERAGE:                               1900-5000RPM      \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e                                             \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e   COMPARING CAMS:        \u003cspan style=\"color: rgb(35, 111, 161);\"\u003eBTR Stage 1 V3 Truck Cam\u003c\/span\u003e TO \u003cspan style=\"color: rgb(186, 55, 42);\"\u003eBTR Stage 1 V2 Truck Cam   \u003c\/span\u003e  \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cimg style=\"width: 900px; height: 453px;\" src=\"https:\/\/briantooleyracing.com\/media\/wysiwyg\/BTR-LSTRUCKSTG1-V3_vs_V2_Plot.png\" alt=\"\" width=\"900\" height=\"453\"\u003e      \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePEAK TO PEAK GAINS:        BTR-LSTRUCKSTG1-V3 TO BTR-30612120      \u003c\/strong\u003e         \u003c\/p\u003e \u003cp\u003eHORSEPOWER GAIN PEAK-PEAK (HP):                  4.6 (HP)\u003c\/p\u003e \u003cp\u003eHORSEPOWER % GAIN PEAK-PEAK:                       1.1%     \u003c\/p\u003e \u003cp\u003eTORQUE GAIN PEAK-PEAK(lb\/ft):                            11.8 (lb\/ft)\u003c\/p\u003e \u003cp\u003eTORQUE % GAIN PEAK-PEAK:                                  2.9%     \u003c\/p\u003e \u003cp\u003e                                             \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eAVERAGE GAINS:                                   BTR-LSTRUCKSTG1-V3 TO BTR-30612120        \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eAVG HORSEPOWER GAIN (HP):                                 8.8(HP)\u003c\/p\u003e \u003cp\u003eAVG HORSEPOWER % GAIN:                                     3.6%     \u003c\/p\u003e \u003cp\u003eAVG TORQUE GAIN (lb\/ft):                                         13.5(lb\/ft)\u003c\/p\u003e \u003cp\u003eAVG TORQUE % GAIN:                                                3.7%     \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eRPM RANGE FOR AVERAGE:                                  1900-5000RPM      \u003c\/strong\u003e   \u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eJUST FOR KICKS:        \u003cspan style=\"color: rgb(35, 111, 161);\"\u003eBTR Stage 1 V3 Truck Cam\u003c\/span\u003e TO \u003cspan style=\"color: rgb(186, 55, 42);\"\u003eBTR Truck Torque Cam     \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e \u003cimg style=\"width: 900px; height: 441px;\" src=\"https:\/\/briantooleyracing.com\/media\/wysiwyg\/BTR-LSTRUCKSTG1-V3_vs_BTR-30202111R1TQ_Plot.png\" alt=\"\" width=\"900\" height=\"441\"\u003e\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003ctable class=\"data table additional-attributes\" id=\"product-attribute-specs-table\"\u003e  \u003ctbody\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eEMS Code\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"EMS Code\"\u003eEMS: Code 3\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eBTR SKU\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"BTR SKU\"\u003eBTR-LSTRUCKSTG1-V3\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eLength\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Length\"\u003e24.000000\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eWidth\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Width\"\u003e3.000000\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eHeight\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Height\"\u003e3.000000\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eWeight\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Weight\"\u003e15.000000\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eBrand\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Brand\"\u003eBrian Tooley Racing\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003ePart Type\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Part Type\"\u003eCamshaft\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eEngine Type\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Engine Type\"\u003eGen III\/Gen IV LS\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eEngine Combination\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Engine Combination\"\u003eGM LS TRUCK\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eCamshaft Style\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Camshaft Style\"\u003eHYDRAULIC ROLLER\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eCam Bolt Style\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Cam Bolt Style\"\u003eTHREE BOLT\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e","brand":"BTR - Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":62809096388767,"sku":"BTR-LSTRUCKSTG1-V3","price":409.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0424\/7571\/6767\/files\/btrlstruckstg1v3a.jpg?v=1780753562","url":"https:\/\/streetdrivenperformance.com\/products\/btr-gen-iii-iv-ls-truck-cam-stage-1-v3-btr-lstruckstg1-v3-btr-lstruckstg1-v3","provider":"Street Driven Performance","version":"1.0","type":"link"}