RCU Forums - View Single Post - Help with rs4 with HPI nitro star t-15 engine

07-24-2015, 03:10 PM

#2

1QwkSport2.5r

Join Date: Oct 2006

Location: Cottage Grove, MN

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I have a .15FE and the head is totally round without any cutouts, and the head and combustion chamber are one piece, not a button style head.

Does the "upgrade" head fit inside the cylinder liner snugly or is it loose?

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