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Old 11-10-2017, 02:51 PM   #13
mrspindlelegs
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Join Date: Jun 2017
Drives: 2014 Scion FR-S Monogram Series
Location: Indiana
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Quote:
Originally Posted by 200hp/tonne View Post
[Pedantic]Sea level 14.7. And TDC pressure equation is 14.7X(12.5^1.3x).
Although, since throttle bodies are closed and Engine is running at ~200RPM on the starter, it is tough to know the manifold absolute pressure without logging.[/Pedantic]

Is that what the service manual calls for during the test on the twins? When I turned a wrench for a living back in the 1980s, the throttle was always set at wide-open during a compression test.
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2014 FR-S Monogram Series, Raven Black, MT
Mods -ARP wheel studs, Bilstein B6, Michelin Pilot Sport 4S, Diode Dynamics "Tail-as-Turn" kit.
Fuel Economy - Best was 37.2 mpg, Worst was 28.2 mpg
Semi-truck crushed it on 1-1-2023.
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