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
…
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
…
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.
…
ARC Racing Instructional Video Series: Video #1 Billet Flywheel Installation And Ignition Timing
Posted by Jody Powell on 25th Feb 2015
Here is the first tech video in the quarterly series that we plan on producing. They will be based on the products that we manufacture and give recommendations and "how to" tips to all Pro and DIY builders. We will upload them to this Facebook page and to our channel on youtube.com for your viewing pleasure.
…
Clone Stock Appearing Rules
9th Oct 2014
MONDAY, SEPTEMBER 26, 2011Clone Stock Appearing Outlaw RulesThe following rules are something I wrote up last fall for tracks to use as a template for a stock appearing class for the clone engine. Thease rules are intended to allow the average guy to build a powerful yet still durable engine in his own garage while keeping a lid on the potential costs of high priced modifications. Stock appearing has always been my favorite class because it is
…