Nigel the 1977 MGB - Top End Assembly
Автор: Alex's garage
Загружено: 2022-11-14
Просмотров: 8350
Lots to cover in this one;
Lapping Valve Seats
Installed Valves (differences in intake valves for the 12H-2923)
Replaced Tappets(Lifters)
Evaluated and replaced Pushrods
Installed Rocker arms
Installed new head gasket
Torque Cylinder head
Adjusted Valves for initial engine start.
(Rule of 9)
This is quite a long video, sorry. I will mark chapters so you can easily refer to sections of interest. (once loaded)
0:00 Head preparation review
13:05 Tappet (Lifters) install
19:27 Cleaning Valve Guides
39:00 Valve Lapping
44:28 1.70" Gas Flow vs 1.625" intake valves
51:03 Water leak test
1:05:02 Installing Valve Springs
1:12:37 Engine Block Prep for Head Install
1:13:58 Drop head into place
1:15:29 Test Push Rods
1:23:48 Install Rocker Assembly
1:26:45 Torque Head Bolts
1:27:58 Rule of 9 (to adjust Valves)
1:34:00 Adjust Valves
Gas Flowed Intake valves are back ordered everywhere. so I guess it was a good decision to clean up the ones I had.
https://mossmotors.com/valve-intake-1...
if your Head is a 12H2923 you can likely use the 1.625 intake Valves.
https://mossmotors.com/valve-intake-1...
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