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1971 Dodge Demon - Turbo 392

Go racing with an everyday 5.7L Hemi

By , Photography by

5.7L Flow Chart Stock
Lift Intake CFM** Exhaust CFM** I/E Percentage
0.100 76 49 64
0.200 141 112 79
0.300 210 146 69
0.400 244 160 65
0.500 258 161 62
0.600 259 161 62

5.7L Flow Chart Ported
Lift Intake CFM** Exhaust CFM** I/E Percentage
0.100 68 49 72
0.200 142 108 76
0.300 220 142 64
0.400 268 158 58
0.500 285 168 58
0.600 291 176 60
*Rounded to the nearest decimal
**Tested on Plexiglas plate with 4.220 bore, clay on intake port, no exhaust tube, same 2.00/1.55 valves used for both tests.

Critical Specs
Compression ratio 9.0:1
Crank thrust 0.009-inch
Deck 0.005 in the hole
Head studs 105/25 lb-ft
Main bearings 0.0026-inch
Main Studs 100 lb-ft
Piston to wall 0.0035
Rod bearings 0.0025-inch
Top ring gap 0.021-inch
2nd ring gap 0.024-inch

Parts List
Description Source PN Price
32-tooth reluctor wheel Wiseco/K1 TR-32 $47.00
727/5.7L starter Rock Auto NP 280-0331 $150.79
80-pound fuel injectors Ford Racing M 9593LU80 $409.95
Transmission adapter plate kit Street & Performance N/A $243.95
Balancer bolt ARP 147-2501 $34.72
Belt tensioner Gates 38323 $38.47
Camshaft Crane Cams 1989521 $468
Cam bearings JMS PD31B $78.44
Chevrolet rod bearings Wiseco/K1 CB-745HN $74.00
Core engine eBay N/A $2,500
Denso alternator eBay 13796N $160.00
EGR block off Mopar 53032739AA $34.90
EGR plug Kit Mopar 4891312AA $33.50
Engine gasket set Fel-Pro CS262841 $149.99
flexplate B&M 10340 $149.50
Fuel Rails Aeromotive 14146 $239.99
Head Gaskets Fel-Pro HS6284PT1 $109.95
Head stud kit ARP 244-4300 $37.00
LSX 92mm adapter Comp Cams 112001 $63.95
Main bearings Wiseco/K1 MS-2220H $155.31
Main stud kit ARP 244-5400 $163.04
MDS plugs Mopar 53032221AA $34.00
Non MDS lifters Elgin/JMS HL7013K $286.50 (4)
Oil pan Milodon 31002 $412.95
Oil pan gasket Milodon 40750 $25.95
Oil pan bolts Milodon 85025 $10.25
Oil pump Melling/eBay M342 $85.00
Oil pan pickup Milodon 18334 $89.95
Power steering delete kit Street & Performance N/A $155.95
Radiator cap Be Cool 70001 $45.99
Recovery tank Be Cool 70058 $159.99
Rotating assembly Wiseco/K1 R-KD20246 $2,211.57
Street strip tray Milodon 32010 $79.95
Thrust washers JMS N/A $19
Valve springs Crane Cams 99831-16 $224
Water pump JMS CP7170 $92.49

SOURCES
Miller Electric
1635 W. Spencer Street
Appleton
WI  54912
920-734-9821
www.millerwelds.com
Chris Alston's Chassisworks
8661 Younger Creek Drive
Sacramento
CA  95828
916-388-0288
www.cachassisworks.com
Comp Cams
3406 Democrat Road
Memphis
TN  38118
800-999-0853
www.compcams.com
eBay Motors
http://hub.motors.ebay.com/
Summit Racing
Akron
OH
800-230-3030
330-630-0240
www.summitracing.com/
Performance Automatic
8174 Beechcraft Ave.
Gaithersburg
MD  20879
301-963-8078
www.performanceautomatic.com
Lincoln Electric
22801 St. Clair Ave
Cleveland
OH  44117
216-481-8100
www.lincolnelectric.com
Holley Performance Products
1801 Russellville Rd.
Bowling Green
KY  42101
270-781-9741
www.holley.com
Wilwood Engineering
4700 Calle Bolero
Camarillo
CA  93012
805-388-1188
www.wilwood.com
Street & Performance
P.O. Box 1169
Mena
AR  71953
501-394-5711
Glasstek
Naperville
IL
630-978-9897
www.glasstek.com
Andrews Powder Coating
818-700-1030
www.powdercoater.com
JMS Racing Engines
El Monte
CA
626-579-4567
www.jmsracing.com
Modern Muscle Performance
Martinsville
VA
276-663-1555
www.modernmuscleperformance.com
Circle City Hot Rods
2199 North Batavia Street
#R
Orange
CA  92868
714-279-0400
www.circlecityhotrods.com
BBK Performance
27440 Bostik Court
Temecula
CA  92590
951-296-1771
http://www.bbkperformance.com
Coker Tire
13187 Chestnut Street
Chattanooga
TN  37402
800-251-6336
www.cokertire.com
IC Engine Works
Austin
TX
512-858-2232
www.ICengineworks.com
Painless Performance Products
2501 Ludelle Street
Ft. Worth
TX  76105
800-549-4737
www.painlessperformance.com
Transmission Specialties
375 Turner Industrial Way
Aston
PA  19014
610-485-9110
www.transmission-specialties.com
Speedway Motors
340 Victory Lane
Lincoln
ME  68528
800-979-0122
www.speedwaymotors.com
DIY AutoTune/MegaSquirt
Suwanee
GA
www.diyautotune.com
Aeromotive
7805 Barton Street
Lenexa
KS  66214
913-647-7300
http://www.aeromotiveinc.com
Hot Rod Performance
N/A
Comp Turbo
221 West Allen Avenue
San Dimas
CA  91773
909-599-5757
www.compturbo.com
Turbosmart USA
1185 Park Center Dr., Ste. B
Vista
Ca  92081
7-60/-727-7610
www.turbosmartusa.com
Stainless Works
9899 E. Washington St.
Chargrin Falls
OH  44023
800-878-6935
www.stainlessworks.net
Autotronics Controls
www.msdignition.com
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211 comments
Nick Voulis
Nick Voulis

some people just can't see others have something beautiful they gotta find negativity don't bother yourself your work is 100 percent fantastic.....

David Holvey
David Holvey

Hahahahahaha, what the f##k is wrong with some people?

Jeffry Kopis
Jeffry Kopis

Another LS....yawn....I know theyre fast. So are Lear Jets, Hayabusas, Cigarrette boats, hydroplanes, cruise missiles, bullets, Ferraris. Doesn't mean I have to like them. I'd rather have something slow and cool, like a 49 Merc with a flattie. Fast is good, but coolness trumps speed in my book.

Nick Voulis
Nick Voulis

Yes... my bad....duh no filter's.... but I must say, outstanding work..... very very impressive.....I would love to send my car to you guy's......

Glenn McCall
Glenn McCall

Because there's no such thing as "too much horsepower"! :)

Liem Art
Liem Art

Giac mo duoc so hu mot cai tubo nho nho .

Jack Morgans
Jack Morgans

I can't get used to the appearance of Turbos, love Superchargers, Turbos, not so much! Blower sticking through a hood is cool, plumbing sticking through a hood is HVAC.

Nick Voulis
Nick Voulis

I don't know about those turbos open right next to those open wheel's a nightmare waiting to happen

Scott Turner
Scott Turner

Please bring back CARtoons magazine and you guys publish it.!!!!!!!!!!

Jake McDonald
Jake McDonald

Duster was plymouths fastback and demon was basically a fastback dodge dart. Same front end as a dart, etc

Donnie Dye
Donnie Dye

No questions. Can't wait to see it .

Custom Performance Racing
Custom Performance Racing

see if they would RE-PAINT the ONCE beautiful C.P.R 240, the shop was broken into and they VANDALIZED that car and the 67 mustang on the cover of your calender! anything you guys think you can do for us? Car Craft Magazine

Tom Bridges
Tom Bridges

Can U paint my Demon while your at it? EV2 please!

Car Craft