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Bored&Stroked · 12-02-2023, 10:51 AM

Here is a picture of a KR head - for flat top pistons - the piston popped up about 3/16" of an inch into the chamber. This was very important for flow:

KR.jpg

Here is a picture of the Navarro Hi-Flo head - which used some of the KR type design (stepped relief):

DSC00521.jpg

Here is a Tony Baron "Pop-UP" head - using a very tall pop-up piston design:

BaronPopUp.jpg

Here is a picture of the 3D CAD Model for the FlatCAD chambers:

HEAD-Final9b_CNC_mockup.1.jpg

Here is the actual FlatCAD Head Chamber:

Chamber.1.jpg

12-02-2023, 10:51 AM	#14
Bored&Stroked Senior Member Join Date: Jan 2011 Location: Central Ohio Posts: 5,174	Re: Shoud I relieve my block Here is a picture of a KR head - for flat top pistons - the piston popped up about 3/16" of an inch into the chamber. This was very important for flow: KR.jpg Here is a picture of the Navarro Hi-Flo head - which used some of the KR type design (stepped relief): DSC00521.jpg Here is a Tony Baron "Pop-UP" head - using a very tall pop-up piston design: BaronPopUp.jpg Here is a picture of the 3D CAD Model for the FlatCAD chambers: HEAD-Final9b_CNC_mockup.1.jpg Here is the actual FlatCAD Head Chamber: Chamber.1.jpg Last edited by Bored&Stroked; 12-02-2023 at 07:52 PM.