Here are some of our recommendations for builds for the EC 236R and 263R Engine Kits. From time to time, as new parts are developed, you may find alterations to these lists, but the goal is to have the best available option to build the EC 236R and 263R Engine to your ideal goal and budget. Reference back to our builder's guide blog for descriptions of each goal. Under Each build goal is the parts list with links to those parts to make it easy to get the parts ordered.
Unlike other recommendations for engines, the 236R and 263R are incomplete kits that must be built. Engines like the Tillotson 225 or EC's 228 use the Tillotson 72mm blocks, the same used in the 236R kit. You can upgrade those engines using the kits below or have them stroked using EC's 236R stroker Kit. Listed are the different engine and stroker kits you'll need to start your build
The 236R and 263R engine kits have been game-changers for wholesale horsepower. The EC-designed Tillotson blocks combined with EC's Pinnacle Rods, Hypereutectic Pistons, and 58mm crankshafts have made high horsepower builds more affordable and more reliable than they have every been. There isn't anything that comes close in power potential or value. While we do have some using these kits for recreational builds, we believe the potential of these engines should start with the street/strip setup. We also recommend the 236R and especially the 263R for experienced engine builders with the skills and tools to accurately clearance and assembly the engine.
236R Engine Kits
236R without Tank Mount
263R Engine Kits
Street/Strip
Camshaft: TTS-698Carburetor: PWK24 Carburetor Kit Connecting Rod: Comes in Engine KitCylinder Head: TIL-1BV18-2 18cc 32/27 Big Valve Non-Hemi HeadFlywheel: SK200 Billet FlywheelPush Rods: ChromolyRocker Arms: ChampionSide Cover: Stock Stroker Kit: Comes in Engine KitValve Springs: 32lbs Dual Valve SpringsRetainers: Titanium Retainers
OptionalSK300 PVL Ignition Flywheel (Must use PVL Ignition) Coming SoonEC 12,000rpm PVL Ignition Coming Soon
Camshaft: TTS-698
Carburetor: PWK24 Carburetor Kit
Connecting Rod: Comes in Engine Kit
Cylinder Head: TIL-1BV18-2 18cc 32/27 Big Valve Non-Hemi Head
Flywheel: SK200 Billet Flywheel
Push Rods: Chromoly
Rocker Arms: Champion
Side Cover: Stock
Stroker Kit: Comes in Engine Kit
Valve Springs: 32lbs Dual Valve Springs
Retainers: Titanium Retainers
Optional
SK300 PVL Ignition Flywheel (Must use PVL Ignition) Coming Soon
EC 12,000rpm PVL Ignition Coming Soon
Stock Appearing
Camshaft: CL-335Connecting Rod: Comes in Engine KitFlywheel: SK100 Billet FlywheelPush Rods: ChromolyRocker Arms: 1.1 Rev Roller RockersSide Cover: Stock Stroker Kit: Comes in the Engine KitValve Springs: 38lbs Dual Valve Springs Install on the HeadRetainers: Titanium Retainers Installed on the Head
OptionalSK300 PVL Ignition Flywheel (Must use PVL Ignition) Coming SoonEC 12,000rpm PVL Ignition Coming Soon
Camshaft: CL-335
Connecting Rod: Comes in Engine Kit
Flywheel: SK100 Billet Flywheel
Push Rods: Chromoly
Rocker Arms: 1.1 Rev Roller Rockers
Side Cover: Stock
Stroker Kit: Comes in the Engine Kit
Valve Springs: 38lbs Dual Valve Springs Install on the Head
Retainers: Titanium Retainers Installed on the Head
Optional
SK300 PVL Ignition Flywheel (Must use PVL Ignition) Coming Soon
EC 12,000rpm PVL Ignition Coming Soon
Open Modified
Camshaft: TTS-800Carburetor: XR-28 or PWK28 on MethanolConnecting Rod: Comes in Engine KitFlywheel: SK200 Billet FlywheelPush Rods: ChromolyRocker Arms: 1.2 Rev Roller RockersSide Cover: EC Billet Side Cover Stroker Kit: Comes in the Engine KitValve Springs: 38lbs Dual Valve Springs Install on the HeadRetainers: Titanium Retainers Installed on the Head3rd Bearing Support: EC's 3rd Bearings Support and Heavy Duty Blower Housing
Camshaft: TTS-800
Carburetor: XR-28 or PWK28 on Methanol
Connecting Rod: Comes in Engine Kit
Flywheel: SK200 Billet Flywheel
Push Rods: Chromoly
Rocker Arms: 1.2 Rev Roller Rockers
Side Cover: EC Billet Side Cover
Stroker Kit: Comes in the Engine Kit
Valve Springs: 38lbs Dual Valve Springs Install on the Head
Retainers: Titanium Retainers Installed on the Head
Optional
SK300 PVL Ignition Flywheel (Must use PVL Ignition) Coming Soon
EC 12,000rpm PVL Ignition Coming Soon
