SBC, Thumpr 227/241 Hydraulic Flat Tappet Camshaft, Choppy Rough idle, Chevy Small Block, 350, Best sound, Choppy,
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Description
Comp Cams 12-600-4, Thumpr Hydraulic Flat Tappet Camshaft fits Small Block Chevy 350.
SBC, Thumpr 227/241 Hydraulic Flat Tappet Camshaft, Choppy Rough idle, Chevy Small Block, 350, Best sound, Choppy,
High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.
Comp Cams 12-600-4 Key Specifications:
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Engine Family: Chevrolet 262–400 c.i. V8 (1958–1998)
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Cam Type: Hydraulic Flat Tappet
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Camshaft Series: Thumpr
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Camshaft Gear Attachment: 3-Bolt
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Advertised Intake Duration: 279°
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Advertised Exhaust Duration: 297°
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Intake Duration at 0.050" Lift: 227°
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Exhaust Duration at 0.050" Lift: 241°
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Intake Valve Lift: 0.479"
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Exhaust Valve Lift: 0.465"
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Lobe Separation: 107°
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Valve Timing Lift: 0.006"
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Exhaust Closes ATDC: 41°
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Intake Opens BTDC: 36°
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Exhaust Opens BBDC: 76°
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Intake Closes ABDC: 63°
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Make: Chevrolet
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Engine: 262–400 c.i. V8 (1958–1998)
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Lifter Type: Hydraulic Flat Tappet
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Usage: Street/Performance
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Operating Range: 2,000–5,800 RPM
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Performance Package: No
Specifications
| SKU | 12-600-4 |
| Barcode # | 036584175254 |
| Brand | COMP CAMS |
| intake valve lift | 0.479 |
| Exhaust Valve Lift | 0.465 |
| Lifter Type | Hydraulic Flat Tappet |
| Advertised Exhaust Duration | 297 |
| Advertised Intake Duration | 279 |
| Cam Type | Hydraulic Flat Tappet |
| Exhaust Duration At .050 Inch Lift | 241 |
| Intake Duration At .050 Inch Lift | 227 |
| Lobe Separation | 107 |
| Camshaft Series | Thumpr |
| Grind Number | 279TH7 |
| Basic Operating Rpm Range | 2,000-5,800 |
| Lifters Included | No |
| Valve Springs Required | Yes |
| Camshaft Gear Attachment | 3-Bolt |
| Camshaft Material | Cast Iron |
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