5.7 Hemi Specs

(all specs in inches unless specified)

•Engine: DaimlerChrysler Hemi V-8, pushrod, 16 valves
•HP & torque: 345 hp at 5,400, 375 lb-ft at 4,200 (truck);
340 hp at 5,200, 390 lb-ft at 4,000 (car)
•Displacement: 5.7 L (346 ci)
•Firing order: 1-8-4-3-6-5-7-2
•Bore x stroke: 3.92x3.58
•Compression: 9.6:1
•Block: Cast iron, deep-skirt design
•Deck height: 9.25
•Crankshaft: Nodular iron, five main bearings
•Main journal diameter: 2.55
•Rod journal diameter: 2.12
•Connecting rod: Powdered metal, 6.24 inches, 597 grams
•Rod length/stroke: 1.74:1
•Piston: Cast aluminum, 413 grams, coated skirt, 9cc dome
•Rings: 1.5/1.5/3mm ring package
•Cylinder head: Aluminum, semi-hemispherical chamber
•Intake valve angle: 18 degrees
•Chamber volume: 85 cc
•Intake valve: 2.00
•Exhaust valve: 1.55
•Spark plugs per cyl.: Two
•Intake valve lift: 0.472
•Exhaust valve lift: 0.460
•Rocker arm ratio: 1.65:1
•Valvesprings: Conical, 97 pounds closed, 242 pounds @ max lift
•Intake manifold: Nylon 6 material
•EFI: Sequential w/closed loop control
•Throttle-body: 80 mm, electronic

from
http://carcraft.com/techarticles/116...mi/index1.html

other technical articles about the 5.7

David Vizard review
http://www.popularhotrodding.com/tech/0403phr_hemi/

collections of press releases
http://216.120.237.3/mopar/new-mopar-hemi.html

http://www.allpar.com/mopar/new-mopar-hemi.html

http://www.autofieldguide.com/articles/100203.html

description of assembling a 5.7 at factory
http://www.popularmechanics.com/auto...y/1266926.html

camshaft specs of 5.7 & 6.1
http://makeashorterlink.com/?M298120AC

historical article about engineers who built 426 & 5.7
http://www.thehemi.com/news.php?id=20050824-1

dyno graphs
http://popularhotrodding.com/tech/0403phr_hemi_17_z.jpg

official 2003 graph- questionable accuracy
http://www.dodgeboy.net/news/57hemi/...powercurve.jpg

rear wheel Superchips according to KRC
http://www.krcperformance.net/images/hemidyno.jpg

truck owner rear wheels
http://dynoperformance.com/search_details.php?ID=488

tests of available intake manifolds
http://moparmusclemagazine.com/techa...7_hemis_dynos/

Cutaway view

 

Was this post for anyone who was curious about the specs?

 

Just curious why you didn't post other dynos showing 280-295 hp and 295-301 lbs torque? They are all over the web. If you want, I can find some for you.

 

LOL.. another CUT & PAST job! ...LOL

SPEED SAFE, AIR RAM