r/EngineBuilding is a subreddit with 107k members. The community frequently discusses engine, head, cylinder, rebuild, and block, and they frequently recommend/review impact wrench, cnc machine, and drift car, and the most common flair used is chevy, ford, other, chrysler/mopar, and toyota.
Engine Building and Swaps - V8 and all the rest!
Popular Topics in r/EngineBuilding
#1
Engine
48 posts
#2
Head
18 posts
#3
Cylinder
13 posts
#4
Rebuild
12 posts
#5
Block
10 posts
#6
Pistons
9 posts
#7
Valve
7 posts
#8
Bearing
6 posts
#9
Engine Rebuild
6 posts
#10
Rust
5 posts
Products Discussed in r/EngineBuilding
Impact Wrench
19 reviews
#1
Milwaukee
4.7★ from 7 reviews
#2
DeWalt
4.0★ from 2 reviews
#3
Earthquake
5.0★ from 2 reviews
Cnc Machine
4 reviews
#1
RapidChange
3.0★ from 1 review
#2
CNC Blocks
5.0★ from 1 review
#3
Haas
4.0★ from 1 review
Drift Car
3 reviews
#1
Chevrolet
4.0★ from 1 review
#2
Mazda
5.0★ from 1 review
#3
Honda
4.0★ from 1 review
Flair Used in r/EngineBuilding
#1
Chevy
: "I Really Screwed Up a Cylinder with Evaporust and just in Complete Despair. At this Point I’m in a “Screw it” Mentality and May Run it as is. Any Thoughts?"
23 posts
#2
Ford
: "The Ford flathead I'm rebuilding had a composite/fiberglass cam gear in it"
16 posts
#3
Other
: "Probably the smallest engine being built up here."
9 posts
#4
Chrysler/Mopar
: "How’s my hone?"
8 posts
#5
Toyota
: "Is that my fucking oil ring??"
5 posts
#6
Honda
: "Metric cylinders..."
5 posts
#7
Mazda
: "I cryogenically and WPC treated my engine"
4 posts
#8
Subaru
: "On a scale from 1 - f*&%ed how bad do you think this is?"
3 posts
#9
Porsche
: "It’s been a long time coming. But it’s in the car and it turns with the key. Next step, fuel."
2 posts
#10
Nissan
: "Is it ruined?"
2 posts
Member Growth in r/EngineBuilding
Yearly
+25k members(31.2%)
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Last updated: August 16, 2026