BMW N55B30 Engine Block Honed Surface Roughness Prep 7674
Автор: Straight Up BMW
Загружено: 2024-03-30
Просмотров: 379
This video details the process of the N55 block in preparation for a rebuild.
1- Cleaned - De greased
2- Blast Clean
3- Hot Tank
4- Bores are lapped with various lapping hones to achieve the required surface roughness Rk, Rpk & Rvk- in accordance with industry standard. This is the basic foundation of your build. If this is not correct you will compromise long tern longevity build, oil consumption and piston / rings sealing and lubrication.
5- Surface roughness measurements performed to confirm desired target requirements.
6- Bore measurements 0 & 90 degree at various position along the bore to determine roundness, taper and conicity.
7- Block is prepared for long term storage in preparation for build
All information contain in this video is intended for entertainment purposes only. All reasonable efforts have been made to ensure that the accuracy of the content at the time of preparation. Information presented is believed to be reliable but is subject to change at any time, and without notice
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