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BRONZE GUIDE REMOVAL
Jun 10, 2026 | CYLINDER HEADS
When removing guides from an air-cooled cylinder head, where you are pressing from the spring side into the port, I cut the guide away flush to the spring pad. I press the guide from here. This way the protruding guide material does not expand and damage the cylinder...
TIGHT RING LANDS
Jun 3, 2026 | PISTONS & RINGS
Tight ring lands in used pistons due to carbon, rust, or even slightly pinched can be a real problem to overcome. Keeping old rings and using them as scrapers has always been in my playbook, however, applying fine lapping compound liberally and working the ring back...
SAVE YOUR FINGERS
May 29, 2026 | DISASSEMBLY & CLEANING
I use my valve seal puller to hold head bolts and similar items when cleaning them on the wire wheel. I've gotten a good burn too many times, before doing this. Randy Torvinen Torvinen Machine Menahga, MN
DAMPER FIT
May 26, 2026 | ASSEMBLY
Damper fit is something a lot of people don't check and might not know how important it is. If the fit is too loose, the damper can't do its job properly and it can walk on the crank snout causing galling. If it's too tight it'll gall both surfaces resulting in damage...
WRIST PIN PRESSING
May 19, 2026 | DISASSEMBLY & CLEANING
This jig allows you to press wrist pins out of pistons with ease. Made from a piece of roughly 5”x5”x1/4” steel plate with two identical scrap wrist pins welded in the center of the plate, vertically. Jackson Smith AMS Automotive Machine & Supply Fort Collins,...
CHAMFERING VALVE SPRINGS
May 4, 2026 | CYLINDER HEADS
When chamfering valve springs, it's imperative that you don't hit the insides of any coils, which could lead to a stress riser and breakage. I insert a trimmed rubber pad to lift the tail away from the next coil and give me some room to work with the chamfering cone....

