CP Carrillo News
Are your pistons all the same (symmetrical), right-handed, left-handed or a combination of both?
Are your pistons all the same (symmetrical), right-handed, left-handed or a combination of both? On some cylinder head designs, the spark plug is not always opposite the intake manifold like a...
New Bolt / Fastener Installation Instructions
While our recommended bolt stretch and clamp loads have been working well for many years, we can’t ignore the fact that rods continue to be subjected to more demanding tensile loads as...
PRODUCT UPDATE – Pro Series 3/8 CARR FASTENERS (PN# BLT-CARR6-PS)
As load requirements have increased over the years, CP-Carrillo developed an improved 3/8 CARR fastener to meet the rigorous performance standards one expects from Carrillo connecting rods. This...
Inertia Loading on a connecting rod
Inertia Loading on the connecting rod: a calculation of Stroke, Rod length, Rod and Piston assembly weights and RPM. Inertia is the force that will try to separate the split line, if the...
Pin End clearance piston design and connecting rods
Two common specs asked for when making custom pistons are the connecting rod small end width or thickness, or pin end width or thickness, and the strap thickness. Knowing these dimensions,...
Fred Carrillo starts Carrillo connecting rods
After Fred Carrillo’s land speed racing accident, he went to his hotrod buddies and asked them what they needed. “They all said they needed a good steel rod”, so Fred set...
Fred Carrillo as a hotrodder
Did you know that Fred Carrillo (1926-2013), founder of Carrillo rods was an avid hotrodder? Together with his brother in-law, he build a 1927 Ford Model T, with a Winfield-equipped flathead for...
Proper piston ring end gap
Piston ring end gap is just as critical as your bearing clearances but is often overlooked. Just because the ring manufacture says the rings are for a certain bore size it is ultimately the...
John Force Funny Car- Piston and Ring Focus
Article appeared in Race Engine Technology, written by Ian Bamsey
Why do some pistons have Skirt Notching
Notching the skirt is something CP-Carrillo does primarily to provide clearance for an oil squirter. Most modern engines have oil squirters at the bottom of the cylinder that point up and shoot...