383 with 350 HP
3/4 stroker engine has a 3.750
stroke where a 350 Chevy has a 3.500 stroke which
delivers an extremely high
amounts of torque, you have to experience
one to know how it feels. This is
definetly the way to go when you are building a
350 based engine "Stroke
it once and your hooked." This engine
package is what most of
our customers prefer when building their hot
rod. All our engines can be custom painted to match
your vehicle at your request. We
can also assist you in choosing the proper
transmission and stall speed converter
combination for your vehicle.
See Below The Quality Of Parts We Use
In Our Engines
Turnkey Crate
Engine
Assembly:
Fully
machined seasoned factory roller 4
bolt main block
Block
painted with 3 coats of high temp
ceramic engine paint customers
choice of color (have your engine
custom painted to match your
vehicle for an additional $300)
Eagle
cast steel crankshaft 3.750 stroke
Eagle
I-Beam connecting rods with ARP
bolts and bushed pins
High
performance pistons (Speed-Pro,
Keith Black, SRP, or Mahle)
Clevite P
Series rod and main bearing
Performance rings hand filed to
match application
The
complete rotating assembly is
balanced
Three piece
double roller timing set
Comp Cams
custom ground
hydraulic
camshaft
Hydraulic
lifters
Performance
aluminum
cylinder heads
Chrome moly push rods
Performance
rockers
Melling
high volume oil pump and screen
Chrome oil pan
Chrome
dipstick and tube
Chrome timing
cover
Fel-Pro
gaskets
Performance
balancer
Performance
aluminum intake manifold
Chrome
thermostat housing
Edelbrock
carburetor w/ electric choke
Chrome air
cleaner
MSD HEI
distributor with 53,000
volt coil
Autolite spark
plugs
Taylor 8mm
ignition wires (color of choice Black,
Red,
Blue,
Yellow,
Green,
Orange no
extra charge)
Water pump
Chrome valve
covers
Chrome
breathers
Flex plate
(for auto trans)
Engines are
photo documented
during the building process
Each engine is tested,
timing set
and carburetor
adjusted for optimum performance
We
video tape
your live run engine and send you a copy
This engine comes with a
90 Day
unlimited mileage warranty
Currently
Price
$5,775
Customize Your Crate Engine
Alternator
Alternator, Power
Steering
Alternator, Power Steering, And AC
Upgrade $1,000
Upgrade $1,675
Upgrade $2,100
Holley
Carburetor (Includes
braided fuel line for
carburetor) Add $350
MSD
Mini High Torque Starter Add $245
MSD 6AL Ignition Control
& Probillet Distributor Add $525
Manual Flywheel Add $375
The Atomic
EFI outshines the competition in
ease of installation and
performance! The MSD annular ring
injection design produces an
air/fuel charge with much better
mixture as well as an even
distribution among the cylinders
that our competition cannot match.
Better AFRs equal better idle
quality, better starting, and better
overall drivability throughout the
rpm range. You and your engine will
be glad when you Go Atomic.
Kit Includes:
Throttle
Body Assembly (An exact swap for
a 4150 Holley)
(4) port
style injectors
EMS (Engine
Management System)
Comprehensive Instruction Manual
All
harnesses and connectors (Much
less harnessing than other
systems)
Idle Air
Control - Built in to the
throttle body
Coolant
Temperature Sensor - 3/8-NPT
threads for most manifolds
Throttle
Position Sensor
Wideband O2 Sensor and cable
(Many competitive units are
narrowband)
Have a custom painted car?
Why not have a custom painted
engine? Give us your paint
code and we'll do the rest.
Add $300
Old School Look:
One of the most popular and
durable dress-up kits available
today! This black crinkle kit
with its distinctive look and
boldly striking wording comes
with everything you need for
race day or show day!
Add $245
Automatic Transmission
Package's:
The
world’s finest transmission
packages, custom made for
Proformance Unlimited. -Each Transmission Package is
tailored to your engine, and
Test Driven to ensure maximum
performance. -They build them
from Mild to Wild, if you’ve got
the horsepower, they have the
transmission.
TH-350 Or
TH-400 Add $1,800
700R4 Or
200R4 Add $2,650
Whether your
vehicle is a hot rod, street car, race car,
or even a tow truck, here at Proformance
Unlimited we are here to help design and
build the combination that best suits your
vehicles needs. Please browse our engine
combinations listed below or custom design
one of your own. Proformance Unlimited is
best known for our precision custom designs.
From that special built stroker engine to
that turn-key drop in ready crate engines,
call Doug or Steve and we will be happy to
answer any of your questions.
All engines are custom built to order for
total customer satisfaction
PROFORMANCE UNLIMITED INC. RESERVES THE RIGHT
TO MAKE CHANGES IN DESIGN OR TO MAKE ADDITIONS TO OR IMPROVEMENTS UPON ANY OF
ITS PRODUCTS AT ANY TIME WITHOUT INCURRING ANY OBLIGATION WHATSOEVER TO INSTALL
THE SAME OR IMPROVEMENT UPON PRODUCTS PREVIOUSLY MANUFACTURED. OCCASIONALLY
DEPENDING ON AVAILABILITY, PARTS MAY BE SUBSTITUTED THAT WILL NOT EFFECT PRICE,
PERFORMANCE, APPEARANCE OR QUALITY OF THE PRODUCT.