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r/engines

3,438 subscribers
All types of engines! Big, Small, Videos, photos, discussions and questions! If you are not sure if your post goes here, consult the rules.

Notice: This subreddit is not actively monitored, so the posts here are only a small subset of what exists on reddit.

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to r/engines by AutumnFanatic
4 months ago
Automotive engine typical ability to gain and maintain coolant and oil temperature at idle speed across a variety of conditions
to r/engines by commonAli
3 months ago
Are OHC valvetrains less efficient than OHC or DOHC?
to r/engines by commonAli
3 months ago
Why do connecting rods have no bearings?
to r/engines by SufficientCrystals
1 year ago
Are 2000 5.7s engines from Escalades any different from other 5.7s/350 out of other full size vehicles
to r/engines by vteckickedinyooooooo
1 year ago
Would a 5 stroke engine (one with a dedicated overexpansion cylinder) make for quieter exhaust?
to r/engines by vteckickedinyooooooo
1 year ago
Is it feasible to have multirotor versions of Liquidpiston's HEHC inverted wankel engine?
to r/engines by vteckickedinyooooooo
1 year ago
Do two stroke diesels use reed valves? Or not and is this why they need to be supercharged?
to r/engines by vteckickedinyooooooo
1 year ago
Hi, I've been wondering, could you use a mini plunger pump style mechanical injector on a spark ignition gasoline engine?
to r/engines by Le_Jacob
7 months ago
Honda GX160 not starting
Startup