How To Identify A Cracked Wet Liner Before Installation With all the heavy-duty diesel engines out there with wet liners, nothing can be more aggravating than a second teardown due to coolant in a cylinder from a cracked liner. There is a good chance the liner was cracked before you…
Kevin Borkowski Tom’s Agri-Diesel, Inc Harlan, IA
Using Vaseline, grease, white lead or dense lubricants such as engine oil, vegetable oil, antifreeze, brake fluid, castor oil, vegetable shortening and silicon spray IS NOT RECOMMENDED for a liner seal lubricant.. Currently aftermarket suppliers recommend using a soapy water solution. Due to changes in liner seal…
Engine Pro Technical Committee with thanks to Advantage Engine Parts
I recently read a Shop Solution about using a cam and cam gear to test for gear to block clearance on late small block Chevy blocks. Well, here is our tool I’ve used for years. It’s an aluminum hub that’s .002 under cam bearing bore…
Randy Torvinen Torvinen’s Machine Menahga, MN
We have found that failures on 4.0l Ford SOHC secondary timing tensioners may be due to over torquing the tensioner at the time of installation and failure to replace the volume reduction plug. We compared the revised instructions included with the OEM Ford tensioner (32 lb-ft)…
DNJ Engine Components Chatsworth, CA
For many years, bolt boots have been the primary way to protect the crankshaft journal from damage during piston installation. Some shop supply companies sell long steel tubes that serve as guides to help align the rod to the journal. These help align the rod, but can also…
Chuck Verde Casey’s Machine West Valley, UT
When using a Double Roller timing set on a GM 350 Vortec or a GM K block, you must check the clearance between the cam gear and the bosses around the oil galleys in the block, Some blocks may need to have some grinding done…
Greg Myall Engine and Performance Warehouse Oakland Ca
Have you ever found yourself working with stainless steel hardware but you were out of anti-sieze compound? You don’t want galling and you know you must use something on the threads and this job has to go out now! Reach for the antacid to use on the…
Paul Wampler Engine Performance Warehouse Inc. Denver, CO
When installing a head on a V8 or V6 block there is always that chance that one head may not seat correctly and fall off before you can bolt it down. Take old head bolts and cut the heads off. Then cut a slot…
Jeffrey Myers MAR Automotive, INC Philadelphia, PA
MANUFACTURERS TECH TIP: Fundamentals of Engine Bearing Clearances The durability of any engine – stock or performance – is tied to the engine builder’s skill in achieving optimal bearing clearances . Too little or too much clearance will reduce or eliminate the vital oil film that helps prevent contact between…
Engine Pro Technical Committee
Most of the engine stands in my shop were manufactured offshore. Though they are pretty good, in just a few minutes you can increase stability and load capacity. I simply MIG weld all the joints where the legs, main body and uprights join. Another quick tip…
Darin Driscoll Automotive Machine & Supply Inc. Fort Collins, CO