Engine Professional magazine
P. 1

Piston Design for gM’s gen 5 Lt1, Lt4 – the gDi PLatforM
Mechanical engine faults
Diagnosis through testing
abradable Piston Coatings
Achieving the perfect fit
Valve seat angles
What’s your angle and should you care?
Diesel exhaust fluid (Def)
Understanding its use
AN AERA INTERNATIONAL QUARTERLY PUBLICATION
april-june 2020
The FA20 flat four engine offers power in a small package for Subaru and Toyota sports cars.


































































































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