Line Hone Line Boring &

Main Bearing Bore Alignment — Rebuilding Jobs Continual heating and cooling of engines causes block warpage and distortion. Result: misalignment of the main bearing bores. As warpage occurs slowly, the original inserts and crankshaft compensate for the warpage through gradual block. this misalignment (even though slight) causes crankshaft bind. As inserts the existing warpage ... they wear High loads usually cause main bearing caps to "stretch" vertically and "pinch in" at the parting line. Again. the original inserts compensate for this distortion through wear. Installing new inserts with stretched...

ating Features Drip Tray - Mandrel Support - (Optional) Allows mandrels to be rolled into and out of honing position with less lifting by operator. C% Mandrel Storage Rack - Holds three Directs oil to main bearing web area. Oil flow automatically shuts off when oil line is raised. Allows quick, easy height Exclusive design of Sunnen Hone Unit - Rounds up holes quickly with minimum stock removal. (Honing Units must be ordered separately.) ^ Adjustable Block Cradle - Accepts in-line and V-type blocks Front Panel - Drops down for easy loading and unloading. (Shown in lowest

Feature Versatility and Efficiency PLB-100 Line Boring Attachment PLB-IOO Line Boring Attachment: • 1.5 in. (38,1 mm) hard chrome bar with tool bit holes on 5 in. • Positive feed screw • Hand feed for thrust • Spring loaded tool bits for easy adjustment • Universal mounting flange for various car and light truck applications • Most GM V6 & V8 blocks do not require universal mounts • Small block and big block Chevy centering bushing standard • Threaded tool bits • Adjustable bushings • Lightweight - only • Boring range 2.000 PLB,20° Cam Boring A,,achmcnl • With optional tooling 2.750 in. (69.85...

Line-Honing Saves Time and Assures Precision sizing main bearing minutes. That's floor- average passenger truck blocks. make or break your quality work. profitable application little blocks. Line Hone - light truck blocks are Line Bore - Handles big truck blocks lone...bores from Block cradle accept small in-line Built with Benefits That Assure Precision and Profits! Minimum Stock Removal- Usually less main bearing bores that thrust faces or oil seal bearing misalignment. Honing Units... engage limit stops. You're ready Easy to Use-Any shop Optimum Precision You're sure to meet or exceed original...

Specifications, Ordering Information and Accessories Main Bearing Bore Diameter Range: Honing Lubricant: Klectrical System: Floor Area: Shipping Weight: overhead and L-head in-line blocks: angle head blocks: up to 45" (1140 mm) long. 28" (710 mm) from head deck to main bearing centerline Note: special tooling required for Especially compounded for use with CH-100 Horizontal Hone. Available in 55 gallon (208 liter) drums. Shipping Note: When honing aluminum use 35 gallon (132 liter) capacity Also available in 220 V. l-phase. 50 Hz For price and availability contact Sunnen Customer Service - Ordering...