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Chevrolet
Performance Engines | GM 350 Marine
Engines | Vortec Engines
| TBI Engines | Panther
Engine | Engine Options
7.3L Powerstroke Engines | Fuel
Injectors
Class II Version - Chevrolet 5.7 340 HP | Class II Version - Chevrolet 350 280 HP | Class II Version - Chevrolet 350 Marine 325 HP | Class II Version - Chevrolet 350 280 HP | Class II Version - Chevrolet 350 300 HP | Class II Version - Chevrolet 350 300 HP Vortex | Class II Version - Chevrolet 350 300 HP TBI | Class II Version - Chevrolet 350 325 HP | Class II Version - Chevrolet 350 350 HP | Class II Version Chevrolet 350 360 HP Panther | Class III Version - Chevrolet 350 400 HP
Version
Description: The Class II Performance engine is for the serious performance minded
person who needs power for a specific application. These engines are built with
heavy-duty performance in mind. Special components and procedures are selected
and matched to obtain maximum performance for your application. Not intended for
use on pollution-controlled motor vehicles. 280 hp (approx.) @ 4600 rpm 340
ft. lbs. Torque @ 3800 rpm Version Applications: Performance oriented cars and
trucks Street Rods and restored muscle cars Vans and towing vehicles Small/medium
size engines requiring good low speed torque O.E.M. replacement Part Specifications:
Approximate 8.75:1 compression ratio High performance rod bolts and nuts
High rev lifters and performance valve springs with retainers High volume oil
pump Double roller timing set Flat top hypereutectic pistons and moly rings
Harmonic balancer Screw in rocker studs High performance stainless steel
valves: 1.94 Intake; 1.5 Exhaust Class II camshaft High performance bearings
High performance head gaskets Four bolt main block New Dart Heads Machining
Specifications: Kolene Salt Bath cleaning Three angle valve seat machining
Precise surface finish measuring Square decking of block Main saddle align
honing Electronically balanced engine assembly Torque plate honing Computerized
boring Precision crankshaft machining, oil hole chamfering and polishing Live
testing Camshaft Specifications: Hydraulic Camshaft .050 Duration: 204° Intake;
214° Exhaust Advertised Duration: 270° Intake; 280° Exhaust Cam Lift: .280
Intake; .295 Exhaust Valve Lift: .420 Intake; .443 Exhaust Lobe Center: 107°
Intake; 117° Exhaust Camshaft Range Guide and Recommended Equipment: Fair idle
with lope Operating range of 2000-4800 rpm Good midrange torque and response:
2400-3200 rpm range Good fuel economy with recommended equipment Good highway
towing with correct axle ratio Mild bracket racing suitability Stock automatic
or manual transmission compatibility Recommended 3.70:1 axle ratio Stock or
aftermarket 2 plane or torque type intake manifold recommended Stock 2 or 4
barrel or low cfm aftermarket carburetor recommended; rejetting may be necessary
The 350 JASPER PERFORMANCE Engine was tested with headers, Edelbrock Performer
manifold and 600 Edelbrock carburetor.
Description: The Class II Performance engine is for the serious performance minded person who needs power for a specific application. These engines are built with heavy duty performance in mind. Special components and procedures are selected and matched to obtain maximum performance for your application. Not legal for sale or use in California or on pollution controlled motor vehicles. Specifications subject to change without notice. 280 hp (approx.) @ 4600 rpm 340 ft. lbs. Torque @ 3800 rpm Version Applications: Performance oriented cars and trucks Street Rods and restored muscle cars Vans and towing vehicles Small/medium size engines requiring good low speed torque O.E.M. replacement Part Specifications: Approximate 8.75:1 compression ratio High performance rod bolts and nuts High rev lifters and performance valve springs with retainers High volume oil pump Double roller timing set Flat top hypereutectic pistons and moly rings Harmonic balancer Screw in rocker studs High performance stainless steel valves: 1.94 intake; 1.5 exhaust Class II camshaft High performance bearings High performance head gaskets Four bolt main block Machining Specifications: Kolene Salt Bath cleaning Three angle valve seat machining Precise surface finish measuring Square decking of block Main saddle align honing Electronically balanced engine assembly Torque plate honing Computerized boring Precision crankshaft machining, oil hole chamfering and polishing Live testing Camshaft Specifications: Hydraulic Camshaft .050 Duration: 204° Intake; 214° Exhaust Advertised Duration: 270° Intake; 280° Exhaust Cam Lift: .280 Intake; .295 Exhaust Valve Lift: .420 Intake; .443 Exhaust Lobe Center: 107° Intake; 117° Exhaust Camshaft Range Guide and Recommended Equipment: Fair idle with lope Operating range of 2000-4800 rpm Good Midrange torque and response: 2400-3200 rpm range Good fuel economy with recommended equipment Good highway towing with correct axle ratio Mild bracket racing suitability Stock automatic or manual transmission compatibility Recommended 3.70:1 axle ratio Stock or aftermarket 2 plane or torque type intake manifold recommended Stock 2 or 4 barrel or low cfm aftermarket carburetor recommended; rejetting may be necessary Engine Options Available: Magnum roller tipped rockers Aluminum roller rockers Steel crank The 350 JASPER PERFORMANCE Engine was tested with headers, Edelbrock Performer manifold and 600 Edelbrock Carburetor. Readings taken at SAE standards. The manifold and carburetor are not included with the engine, but are available for an additional charge. Headers are not available.
Description: The Class II Performance engine is for the serious performance minded person who needs power for a specific application. These engines are built with heavy-duty performance in mind. Special components and procedures are selected and matched to obtain maximum performance for your application. Not intended for use on pollution-controlled motor vehicles. 300 hp (approx.) @ 5000 rpm 365 ft. lbs. Torque @ 4000 rpm Version Applications: Performance oriented cars and trucks Street Rods and restored muscle cars Small/medium size engines requiring good low speed torque O.E.M. replacement Part Specifications: Approximate 8.75:1 compression ratio High performance rod bolts and nuts High rev lifters and performance valve springs with retainers High volume oil pump Double roller timing set Flat top hypereutectic pistons and moly rings Harmonic balancer Screw in rocker studs Dart S/S Heads High performance stainless steel valves: 1.94 Intake; 1.5 Exhaust Class II camshaft High performance bearings High performance head gaskets Four bolt main block Machining Specifications: Kolene Salt Bath cleaning Three angle valve seat machining Precise surface finish measuring Square decking of block Main saddle align honing Electronically balanced engine assembly Torque plate honing Computerized boring Precision crankshaft machining, oil hole chamfering and polishing Live testing Camshaft Specifications: Hydraulic Camshaft .050 Duration: 214° Intake; 224° Exhaust Advertised Duration: 280° Intake; 290° Exhaust Cam Lift: .295 Intake; .310 Exhaust Valve Lift: .443 Intake; .465 Exhaust Lobe Center: 107° Intake; 117° Exhaust Camshaft Range Guide and Recommended Equipment: Fair idle with lope Operating range of 2000-4800 rpm Good midrange torque and response: 2400-3200 rpm range Good fuel economy with recommended equipment Good highway towing with correct axle ratio Mild bracket racing suitability Stock automatic or manual transmission compatibility Recommended 3.70:1 axle ratio Stock or aftermarket 2 plane or torque type intake manifold recommended Stock 2 or 4 barrel or low cfm aftermarket carburetor recommended; rejetting may be necessary The 350 JASPER PERFORMANCE Engine was tested with headers, Edelbrock Performer manifold and 600 cfm Edelbrock carburetor
Description: The Class II Performance engine is for the serious performance minded person who needs power for a specific application. These engines are built with heavy-duty performance in mind. Special components and procedures are selected and matched to obtain maximum performance for your application. Not intended for use on pollution-controlled motor vehicles. 300 hp (estimated) @ 5000 rpm 365 ft. lbs. Torque (estimated) @ 4000 rpm Version Applications: 19871995 TBI Chevrolet and GMC C/K Series trucks Part Specifications: Approximate 8.75:1 compression ratio High performance rod bolts and nuts High rev lifters and performance valve springs with retainers High volume oil pump Double roller timing set Flat top hypereutectic pistons and moly rings Harmonic balancer Screw in rocker studs Dart S/S Head High performance stainless steel valves: 1.94 Intake; 1.5 Exhaust Class II camshaft High performance bearings High performance head gaskets Four bolt main block Custom computer chip Machining Specifications: Kolene Salt Bath cleaning Three angle valve seat machining Precise surface finish measuring Square decking of block Main saddle align honing Electronically balanced engine assembly Torque plate honing Computerized boring Precision crankshaft machining, oil hole chamfering and polishing Live testing Camshaft Specifications: Hydraulic Camshaft .050 Duration: 214° Intake; 224° Exhaust Advertised Duration: 280° Intake; 290° Exhaust Cam Lift: .295 Intake; .310 Exhaust Valve Lift: .443 Intake; .465 Exhaust Lobe Center: 107° Intake; 117° Exhaust Camshaft Range Guide and Recommended Equipment: Pump gas compatible Fair idle with lope Operating range of 2000-4800 rpm Good midrange torque and response: 2400-3200 rpm range Good highway towing with correct axle ratio Stock automatic or manual transmission compatibility Recommended 3.70:1 axle ratio This engine is designed for improved performance over the standard O.E. engine. The existing TBI intake manifold does not need to be changed. The custom computer chip must be purcased from Jasper. The chip is calibrated for the increased air and fuel demands of the performance engine. Our sales representatives will need information about your current computer, tire size, gear ratio, type of transmission and any induction or exhaust modifications to your engine. The manifold and TBI are not included with the engine. Headers are not available.
Description: The Class II Performance engine is for the serious performance minded person who needs power for a specific application. These engines are built with heavy-duty performance in mind. Special components and procedures are selected and matched to obtain maximum performance for your application. Not intended for use on pollution-controlled motor vehicles. 325 hp (approx.) @ 5000 rpm 383 ft. lbs. Torque @ 4000 rpm Version Applications: Performance oriented cars and trucks Street Rods and restored muscle cars Small/medium size engines requiring good low speed torque O.E.M. replacement Part Specifications: Approximate 8.75:1 compression ratio High performance rod bolts and nuts High rev lifters and performance valve springs with retainers High volume oil pump Double roller timing set Flat top hypereutectic pistons and moly rings Harmonic balancer Screw in rocker studs Dart S/S Heads. High performance stainless steel valves: 1.94 Intake; 1.5 Exhaust Class II camshaft High performance bearings High performance head gaskets Four bolt main block Machining Specifications: Kolene Salt Bath cleaning Three angle valve seat machining Precise surface finish measuring Square decking of block Main saddle align honing Electronically balanced engine assembly Torque plate honing Computerized boring Precision crankshaft machining, oil hole chamfering and polishing Live testing Camshaft Specifications: Hydraulic Camshaft .050 Duration: 224° Intake; 224° Exhaust Cam Lift: .300 Intake; .307 Exhaust Valve Lift: .450 Intake; .460 Exhaust Lobe Center: 114° Intake; 114° Exhaust Camshaft Range Guide and Recommended Equipment: Fair idle with lope Operating range of 2000-4800 rpm Good midrange torque and response: 2400-3200 rpm range Mild bracket racing suitability Stock automatic or manual transmission compatibility Recommended 3.70:1 axle ratio Stock or aftermarket 2 plane or torque type intake manifold recommended Stock 2 or 4 barrel or low cfm aftermarket carburetor recommended; rejetting may be necessary The 350 JASPER PERFORMANCE Engine was tested with headers, Edelbrock Performer manifold and 600 Edelbrock carburetor.
Description: The Class II Performance engine is for the serious performance minded person who needs power for a specific application. These engines are built with heavy-duty performance in mind. Special components and procedures are selected and matched to obtain maximum performance for your application. Not intended for use on pollution-controlled motor vehicles. 350 hp (approx.) @ 5500 rpm 389 ft. lbs. Torque @ 4200 rpm Version Applications: Performance oriented cars and trucks Street Rods and restored muscle cars Small/medium size engines requiring good low speed torque O.E.M. replacement Part Specifications: Approximate 9:1 compression ratio High performance rod bolts and nuts High rev lifters and performance valve springs with retainers High volume oil pump Double roller timing set Flat top hypereutectic pistons and moly rings Harmonic balancer Screw in rocker studs Dart S/S Heads High performance stainless steel valves: 2.02 Intake; 1.60Exhaust Class II camshaft High performance bearings High performance head gaskets Four bolt main block Machining Specifications: Kolene Salt Bath cleaning Three angle valve seat machining Precise surface finish measuring Square decking of block Main saddle align honing Electronically balanced engine assembly Torque plate honing Computerized boring Precision crankshaft machining, oil hole chamfering and polishing Live testing Camshaft Specifications: Hydraulic Camshaft .050 Duration: 230° Intake; 230° Exhaust Advertised Duration: 292° Intake; 292° Exhaust Cam Lift: .292 Intake; .320 Exhaust Valve Lift: .480 Intake; .480 Exhaust Lobe Center: 107° Intake; 111° Exhaust Camshaft Range Guide and Recommended Equipment: Fair idle with lope Operating range of 2200-5500 rpm Good midrange torque and response: 3000-4000 rpm range Mild bracket racing suitability Stock automatic or manual transmission compatibility Recommended 3.70:1 axle ratio Stock or aftermarket 2 plane or torque type intake manifold recommended 4 barrel 750 cfm carburetor recommended; rejetting may be necessary Must have a stall convertor The 350 JASPER PERFORMANCE Engine was tested with headers, Edelbrock Performer RPM manifold and 750 cfm Edelbrock carburetor.
Description: The 350 Panther Crate Engine is for the serious performance minded person who needs power for a specific application. These engines are built with heavy duty performance in mind. Special components and procedures are selected and matched to obtain maximum performance for your application. Not intended for use on pollution-controlled motor vehicles. 360 hp (approx.) @ 5400 rpm 394 ft. lbs. Torque @ 4100 rpm Version Applications: Performance oriented cars and trucks Street Rods and restored muscle cars O.E.M. replacement Part Specifications: Approximate 9:1 compression ratio High performance rod bolts and nuts High rev lifters and performance valve springs with retainers High volume oil pump Double roller timing set Flat top hypereutectic pistons and moly rings Harmonic balancer Screw in rocker studs Dart Performance Heads High performance stainless steel valves: 2.02 intake; 1.60 exhaust Class II camshaft High performance bearings High performance head gaskets Four bolt main block Machining Specifications: Kolene Salt Bath cleaning Three angle valve seat machining Precise surface finish measuring Square decking of block Main saddle align honing Electronically balanced engine assembly Torque plate honing Computerized boring Precision crankshaft machining, oil hole chamfering and polishing Live testing Camshaft Specifications: Hydraulic Roller Camshaft .050 Duration: 230° Intake; 236° Exhaust Valve Lift: .510 Intake; .520 Exhaust Camshaft Range Guide and Recommended Equipment: Fair idle with lope Operating range of 2200-5500 rpm Good Midrange torque and response: 3000-4000 rpm range Mild bracket racing suitability Stock automatic or manual transmission compatibility Recommended 3.70:1 axle ratio Vacuum canister recommended Edelbrock Performer RPM manifold Tested with Holley 750 CFM carburetor MSD HEI distributor Water pump Harmonic balancer Flexplate Oil Pan Valve covers The 350 JASPER Panther Crate Engine was tested with headers, Edelbrock Performer RPM manifold and 750 Holley Carburetor.
Description: The Class III version of the JASPER PERFORMANCE Engine has been dubbed The Unlimited and is the choice for those serious about all-out performance. Applications for this version include bracket racers, off-road racing, street rods and hobby or street stock oval racers. Not intended for use on pollution-controlled motor vehicles. 400 hp (approx.) @ 5600 rpm 394 ft. lbs. Torque Version Applications: Performance oriented cars and trucks Street Rods and restored muscle cars Part Specifications: Forged steel crankshaft Approximate 9.8:1 compression ratio High performance rod bolts and nuts High rev lifters and performance valve springs with retainers High volume oil pump Double roller timing set Flat top hypereutectic pistons and moly rings Harmonic balancer Screw in rocker studs High performance stainless steel valves: 2.02 Intake; 1.6 Exhaust Class III camshaft High performance bearings High performance head gaskets Four bolt main block Dart Iron Eagle heads Full roller rockers Machining Specifications: Kolene Salt Bath cleaning Three angle valve seat machining Precise surface finish measuring Square decking of block Main saddle align honing Electronically balanced engine assembly Torque plate honing Computerized boring Precision crankshaft machining, oil hole chamfering and polishing Live testing Camshaft Specifications: Hydraulic Camshaft .050 Duration: 234° Intake; 244° Exhaust Advertised Duration: 300° Intake; 310° Exhaust Cam Lift: .325 Intake; .340 Exhaust Valve Lift: .488 Intake; .510 Exhaust Lobe Center: 107° Intake; 117° Exhaust Camshaft Range Guide and Recommended Equipment: Rough idle Operating range of 2500-6500 rpm Good midrange torque and response: 3000-4000 rpm range Bracket racing suitability Automatic with 3000 stall converter or manual transmission compatibility Recommended 3.90 to 4.50 axle ratio Edelbrock Performer RPM intake manifold recommended 750 Holley carburetor recommended 108 octane fuel required The 350 JASPER PERFORMANCE Engine was tested with headers, Edelbrock Performer RPM manifold and 750 Edelbrock Carburetor. Readings taken at SAE standards.
350 cubic inch small block Chevy crate engine.
It is an ideal power plant for a performance enthusiast working on a budget. The
350 cubic inch GM small block is assembled with all Brand New components. It has
an 8.5 to 1 compression ratio, 4-bolt mains, a cast nodular iron crankshaft and
a hydraulic camshaft. The cylinder heads have 1.94" intake valves and 1.50"
exhaust valves. The 350 engine is a complete engine assembly less intake and exhaust
manifolds, torsional dampner, water pump, pulleys, distributor, spark plugs, flywheel,
clutch and other components. It does include timing cover, oil pan and valve covers.
Engine comes as shown in the picture.
Equip it with an aluminum intake
manifold and ignition system and your 350 engine can provide exceptional performance
in a street rod, street machine or truck. Approximate horsepower is 249 depending
on how it is equipped.
This engine fits 1969 to 1985 vehicles. This engine
is not intended for use in fuel injected applications, or for marine use. Technical
information subject to change without notice. Make sure this fits your vehicle
and is smog legal in your state prior to purchasing.
INDUCTION/IGNITION SYSTEM: |
|
Edelbrock 750 cfm or 600 cfm carburetor, electric choke, polished aluminum, mechanical secondaries |
| Steel braided fuel line |
|
Holley high volume fuel pump |
| ARP stainless steel intake bolts |
|
Edelbrock Victor Jr. or Performer intak |
| MSD HEI distributor |
|
Taylor or Moroso ignition wires |
| Spark plugs |
MISCELLANEOUS ACCESSORIES |
AND FRONT OF ENGINE: |
|
Chrome thermostat outlet and gasket |
| Oil dipstick and tube |
|
Chrome breather with PVC valve |
| Misc. bolts, gaskets and brackets |
|
New water pump |
| Polished aluminum single groove pulleys |
|
for water pump, damper and alternator |
| (multi-groove pulleys available at an |
|
additional charge) |
| Alternator bracket |
|
Chrome 60 amp alternator and belt |
| Specifications subject to change without notice. |
|
Not intended for use on pollution-controlled motor vehicles. |
|
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