My Porsche 911 cylinder heads are back from the machine shop and the valve job results are impressive. They resurfaced the valves with a 5 angle seat cut to provide maximum flow and performance. S-Tec also resurfaced the head sealing surface to be in factory spec. Thank you to S-Tec for executing a flawless performance valve job on my 3.2L engine heads.
If you haven't already watched parts 1-3 of my Carrera engine fix project please watch these too:
Part 1 Engine removal: • How To Remove And Diag...
Part 2 Engine Teardown: • Suspenseful Porsche 91...
Part 3 Cleanup Engine Bay: • You Might As Well Clea...
VW valve spring compressor: amzn.to/3S7GYsP
3-4 inch Mic: amzn.to/3vwwXwk
Burette: amzn.to/3vymK2r
Straight Edge: amzn.to/48imO50
#porschevalvejob #topendrebuild
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00:00 Introduction Porsche Valve Job
01:21 Measure Head Combusion Chamber Volume
08:11 Measure Machined Cylinder Head Heights
12:03 Remove and Inspect Valves and Seats
14:37 5 angle valve job explained
15:49 Measure valve guide clearance
17:07 Measure Installed Valve Height
21:30 Remove Carbon From Piston Domes
24:04 Checking Porsche Cylinder Heights
25:42 Freshly painted and plated engine parts
5 авг 2024