ARC ADJUSTABLE HUB FLYWHEEL INSTRUCTION SHEET FOR PVL IGNITIONS
Posted by ARC Racing on 24th Aug 2021
ARC Adjustable Hub FlywheelInstruction Sheet for PVL IgnitionsPrior to Installation, it is recommended to "LAP" the crankshaft and flywheel together with light to medium grit lapping compound to ensure that the maximum surface contact between the flywheel hub and the crankshaft is achieved. Lapping should not be done for more than 30-45 seconds and be sure to clean both tapers very well before installation. Once the starter nut is prope
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GX390 Top Plate DJ-3146 Installation
Posted by ARC Racing on 18th Feb 2019
Box Stock Project 196cc Engine and Torque Specifications
Posted by ARC Racing on 3rd Jan 2019
Type: 4 Stroke OHV single cylinderDisplacement: 196cc (12ci)Bore and stroke: 68mm x 54mmCompression ratio: 8.5:1Oil capacity: 14-16oz full synthetic (racing applications)Clearances and DimensionsPiston to cylinder wall: .0035-.0045"Piston ring end gap: .008-.012"Crankshaft pin diameter: 1.179-1.180"Connecting rod: Big end bore 1.1825-1.183", small end bore .709"Rod to crank clearance: .0025-.003"Crankshaft end play: .010-.015"Valve lash: .001-.00
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Hemi crank and high duration cams
Posted by David on 6th Apr 2018
This is regarding the Predator Hemi engine only...The crank shafts in the Hemi engines have a more rounded look to the top of the journal unlike the other Predator or Clone cranks do. This causes a problem when using high duration cams like the Mod2 or F275. The lobe of the cam will hit the high rounded spots on the top of the crank. Easy fix here. Just wrap some tape around the crank journal and grind the top part of the crank flat. I use a stan
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ARC Racing Connecting Rod Installation
Posted by Jody Powell on 6th Jan 2016
This video will show you the proper way we recommend you assemble, gage, and install an ARC billet connecting rod into your Honda/Clone or Predator engine. It will illustrate the ways to use Plastigage and Micrometers to check oil clearance between the rod and crankshaft, as well as, how to correctly torque the rod bolts.
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