/r/EngineBuilding/

r/EngineBuilding

111k members
r/EngineBuilding is a subreddit with 111k 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, chevy, honda, other, and multiple.
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
: "Me as a teenager"
8 posts
#2
Chevy
: "how much would you pay for this engine"
8 posts
#3
Honda
: "What could have caused this scoring, twice on two different pistons?"
4 posts
#4
Other
: "No point rebuilding a classic Triumph engine if the oil pump isn't up to scratch! 😬 I'm back on the T140V Bonneville."
3 posts
#5
Multiple
: "Someone say “big block”?"
2 posts
#6
Pontiac
: "$140 carburetor from Walmart review"
2 posts
#7
Toyota
: "Engine Build"
2 posts
#8
Mitsubishi
: "Was going to use the neighbors tree till I remembered ladders exist"
2 posts
#9
Porsche
: "Can’t believe how easily this started for the first time in six years, full rebuild. Good oil pressure, no clanging sounds, no smoke."
1 post
#10
Subaru
: "1999 Subaru Forester 5MT, timing belt snapped while driving. Are my pistons fine to keep?"
1 post

Member Growth in r/EngineBuilding

Yearly
+23k members(26.6%)

About

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This page gives a focused view of r/EngineBuilding, including current member size, discussion patterns, product reviews, and related communities to explore.

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Last updated: November 5, 2026