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Crate Engine Confessional - GM Performance Parts ZZ383 Dyno Test



Zz383 Chevy Crate Engine Belt
Whether you need to swap belts or simply add tension to the blower belt, it's just a matter of loosening two bolts.		 Zz383 Chevy Crate Engine
Both naturally aspirated and blown testing were fed with the same Demon 750-cfm Mighty Demon and used a MSD Pro-Billet distributor to light the fire.		 Zz383 Chevy Crate Engine

Dyno Details
ZZ383 Crate W/Vortech Gen II System
Pulley comboNone6" crank, 6" crank, 6" crank,
3.33" blower3.12" blower2.95" blower
Advance36 degrees28 degrees28 degrees28 degrees
Fuel91-octane91-octance91-octance91-octance
Boost level0677.5
Max lb-ft 456 @ 4,500543 @ 5,000545 @ 5,000571 @ 5,000
Max hp 437 @ 5,500598 @ 6,200609 @ 6,500636 @ 6,400

Dyno Details
ZZ383 W/Comp Cams Blower-Specific Camshaft & Vortech Gen II System
Pulley comboNone6" crank, 6" crank, 6" crank, 7.8" crank,
3.33" blower3.12" blower2.95" blower3.33" blower
Advance36 degrees28 degrees28 degrees28 degrees25 degrees
Fuel91-octane100-octane100-octane100-octane100-octane w/splash of 114
Boost level078911
Max ft-lb454 @ 4,600552 @ 5,200570 @ 5,200596@ 5,500658@ 5,400
Max hp 448 @ 5,800630 @ 6,500660 @ 6,500692 @ 6,500746 @ 6,300

Camshaft Specs
ManufacturerComp Cams
Part number08-301-8
Typehydraulic-roller
Valve lift at 0.0500.520/0.540-inch intake/exhaust
Duration at 0.050244/252 degrees intake/exhaust
Lash (cold)0.012/0.012 intake/exhaust
Lash (hot)0.016/0.016 intake/exhaust
Intake centerline106 degrees
Lobe separation110 degrees

PRICE LIST
MANUFACTURERPART NUMBERDESCRIPTIONPRICE
Comp Cams08-301-8Xtreme Energy SFT$246
Demon5402010GC750-cfm Mighty Demon$520
Fel Pro1205Intake gaskets$13
1010Head gaskets$35
GM Performance Parts
12498772ZZ383 crate engine$4,790
12496822Aluminum raised-runner intake$290
12497698Deluxe serpentine system$754
12497978Cover kit$154
MSD Ignition85551Pro-billet distributor$226
Vortech EngineeringGen II T-trim system4GP218-038T$3,579

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ZZ383 Chevy Crate Engine ZZ383 Chevy Crate Engine ZZ383 Chevy Crate Engine Camshaft
ZZ383 Chevy Crate Engine Temperature Sensors ZZ383 Crate Engine Rockers ZZ383 Chevy Crate Engine Pully System
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