r/EngineBuilding is a subreddit with 108k 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, toyota, and mazda.
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
: "427TD rebuild Update"
28 posts
#2
Ford
: "Just painted the block and did a dry fit of the heads and intake after painting"
10 posts
#3
Other
: "New valve stem seals are suspiciously loose"
7 posts
#4
Toyota
: "$10k Toyota engine"
5 posts
#5
Mazda
: "I cryo'd and WPC'd my engine and she is almost ready to rip"
4 posts
#6
Chrysler/Mopar
: "413 mopar cylinder head advice"
4 posts
#7
Honda
: "B20z2"
4 posts
#8
Engine Theory
: "Flat top or dished pistons?"
4 posts
#9
BMW
: "Plastigauge Taper?"
3 posts
#10
Olds
: "Can I recover this olds 350 from this level of grime and sludge on the cheap."
2 posts
Member Growth in r/EngineBuilding
Yearly
+25k members(29.5%)
About
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Last updated: September 8, 2026