Concept redesign by Tanner Preserve Design. Not the official site. Visit the real one: perfengine.com
Middleton, Wisconsin / since 25+ years

Measured power.

Machining, parts and tuning for high performance, marine, OEM, import and domestic work. Set the spec before the work starts.

INTERACTIVE WORK ORDER / ILLUSTRATIVE VALUES
Spec console01 / 03
Engine type
Service
Use case
SPEC CARD / ILLUSTRATIVE
Big block
machining
WORKCustom build
USERace car
SHOPIn house
RESULTSet the spec
Select a control to re-measure the card.
In-house balancingCylinder boringHead repairCompetition valve jobsThree dynosMarine enginesIn-house balancingCylinder boringHead repairCompetition valve jobsThree dynosMarine engines

The work has three lanes.

The homepage's core areas, made visible. Each one feeds the next decision, from the machine shop to parts to the dyno.

Machine shop equipment used for automotive machining
SHOP LANE / 01IN HOUSE

Machining

Our machine shop is a full service automotive machine shop specializing in custom engine building and rebuilding, Import and Domestic, Competition valve jobs, and much more.

See machining capabilities
Performance engine parts and accessories
SHOP LANE / 02PARTS

Parts

We carry the largest selection of Hi-performance parts and accesories in the area. From fittings to aluminum head packages, make sure you check with us out first!

See the range
Dyno equipment for engine testing and break-in
SHOP LANE / 03THREE DYNO SYSTEMS

Tuning

Dyno testing and tuning is available on our state-of-the-art Dyno Dynamics chassis dyno or our Stuska engine dyno as well as engine break-in on our Storm Vulcan dyno.

See the dynos

Built for the block in front of you.

Over 25 years in the automotive machine business, serving high performance, marine and OEM work, whether large or small.

A broad range of engine work, from big blocks to Hondas
BIG BLOCK / 4 CYLINDERIMPORT / DOMESTIC

Engine building and rebuilding

Custom engine building and rebuilding for stock and high performance engines.

Balancing

In-house engine balancing for the assembly in front of you.

Cylinder boring

In-house cylinder boring as part of a full service machine shop.

Head repair

Aluminum and cast iron head repair.

Competition valve jobs

Valve work for competition builds and engine rebuilding.

Vintage flatheads

Vintage flatheads are part of the range.

Marine engines

Marine engine work, alongside high performance and OEM work.

Three dynos

Dyno Dynamics chassis dyno, Stuska engine dyno, and Storm-Vulcan break-in dyno.

Current pricesheet / selected services

The numbers stay on the card.

Published prices give the work a starting point. The current pricesheet has the full list and the shop's conditions.

8% shop supplies fee may apply. Race and special machining extra. H.D. truck and competition extra. Shop rate $100.00 per hour.
Download current pricesheet
Valve Job V8$250.00
Valve Job V6$225.00
Valve Job 4 Cylinder$200.00
V8 Assembly balancing$250.00
6 Cylinder Assembly balancing$200.00
4 Cylinder Assembly balancing$150.00
Assemble Short Block$400.00
Assemble Long Block$550.00
Pressure Test$40.00Selected from the current pricesheet. See the PDF for all listed work.

Evidence note: the old About, Services and Contact pages returned 404 during prep. No phone, email, street address or booking destination is shown until verified.

Visit the real site ↗
Set the specPricesheet