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, honda, 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
: "Too much slack?"
16 posts
#2
Ford
: "The Ford flathead I'm rebuilding had a composite/fiberglass cam gear in it"
14 posts
#3
Other
: "Probably the smallest engine being built up here."
13 posts
#4
Honda
: "Metric cylinders..."
10 posts
#5
Toyota
: "Can a mostly stock 3UZ reliably handle 600hp crank with this turbo setup?"
8 posts
#6
Chrysler/Mopar
: "How’s my hone?"
6 posts
#7
Mazda
: "All this to save $85NZD"
4 posts
#8
BMW
: "Dented piston Skirt/Top"
4 posts
#9
AMC
: "Progress and reason for rebuild"
3 posts
#10
Subaru
: "FA20 Engine Rebuild"
2 posts
Member Growth in r/EngineBuilding
Yearly
+25k members(31.2%)
About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/EngineBuilding, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: August 9, 2026