CP Carrillo News

Nov
10
2020

How much Pin Clearance is needed?

How much Pin Clearance is needed? No matter what material the wrist pin is made of, or how thick the wall is, pins experience some amount of deformation while your engine is in use. It is the...

Oct
30
2020

“Smooth” is not always better than “rough” when it comes to pistons…

Did you know?... “Smooth” is not always better than “rough” when it comes to pistons… Features like ring grooves are made extremely smooth, while others like...

Oct
14
2020

Carburized rods

Did you know…roller bearings need a hardened surface to roll on. With a hardness at around 60 HRC, the material is harder that the typical steel used in connecting rods. Making rods...

Oct
14
2020

Variety of forgings to accommodate all your piston needs

Did you know CP-Carrillo and Arias Pistons have different forging types to accommodate your needs? Forgings are not generic, especially when you are making a custom piston. We have hundreds of...

Oct
6
2020

Do different skirt designs require different clearance?

Different cam and barrel profiles yield different clearance on the piston and are often chosen based on the conditions they will see. For example, an engine that has a large stroke, which...

Sep
30
2020

Round wire locks and Spiral locks

Did you know that most aftermarket performance pistons are made with floating pins that will need removable locks such as round wire locks or spiral locks? The most common lock used for...

Sep
18
2020

Hard Anodizing

Did you know that Hard andodizing is not traditional coating? Nothing gets added, sprayed or baked onto the part. Nothing can peel or chip. Anodizing is created by converting the surface...

Sep
18
2020

What are Pin Buttons and what do they do

A “button” is a method of pin retention. Many of you are familiar with locks whether they be wire or spiro-locks and how they are used in order to hold the piston pin in place. In...

Sep
18
2020

Bolt Stretch vs. Torque?

At CP-Carrillo we are asked constantly what the assembly torque specification for our bolts is. While torque is a relatively easy and fast way to assemble non-critical engine components, a...

Aug
28
2020

Oil Support Rail (OSR)

  Oil Support Rails (OSR) assist in applications where the pin bore breaks through the oil groove of the piston (e.g. short compression heights due to big strokes or long rod...

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