r/EngineBuilding is a subreddit with 109k 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 ford, engine theory, toyota, chevy, and other.
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
Ford
: "Cold/Ram air intake on a Minivan?"
6 posts
#2
Engine Theory
: "I flow tested a Porsche 935 tonight."
4 posts
#3
Toyota
: "what to do about valve shims off by .001"?"
4 posts
#4
Chevy
: "LS1 catastrophic engine failure"
3 posts
#5
Other
: "DIY Flowbench + Connecting rod optimization"
3 posts
#6
Honda
: "PSA: Always, ALWAYS put thread locker on your flywheel bolts"
3 posts
#7
Chrysler/Mopar
: "Might as well do a full Hemi rebuild. Thoughts?"
3 posts
#8
Mazda
: "2.5l swap leakdown MX5 NC"
2 posts
#9
Subaru
: "First ever teardown/rebuild"
2 posts
#10
Pontiac
: "6.0 pontiac 2006 gto"
1 post
Member Growth in r/EngineBuilding
Yearly
+24k members(27.7%)
About
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Last updated: October 1, 2026