Big Torque 383 Build - Build A 475hp 383 For $4,719.67
This is the easy way to build a 475hp 383 without using a wad of cash.
| MACHINE WORK | | | $351.00 |
| NEW PARTS | | | |
| Holley Street HP 750 | 82751 | Summit Racing | 519.95 |
| Hedman 13/4-inch headers | 68190 | Summit Racing | 149.95 |
| MSD Ready-to-Run distributor | 8360 | Summit Racing | 306.60 |
| GRAND TOTAL | | | $4,719.67 |
| CAM SPECS |
| DURATION | DURATION | LIFT | LOBE |
| (ADVERTISED) | (AT 0.050) | | SEPARATION |
| CAMSHAFT |
| Howards hydraulic, intake | 292 | 230 | 0.467** | 112 |
| Flat-tappet, PN 112591-S*, exhaust | 298 | 240 | 0.495** | |
| Camshaft Innovations, intake | 294 | 245 | 0.603*** | 109 |
| Flat mechanical, exhaust | 308 | 256 | 0.593*** | |
*S = small-base-circle cam to clear the stock-length connecting rods** These published lift numbers are based on a 1.5:1 rocker ratio. With a 1.6:1 ratio, gross valve lift is 0.498 inch intake and 0.528 inch exhaust.*** These gross valve-lift figures are based on a 1.7:1 rocker ratio, which do not take into account subtracting 0.016 inch of lash, creating a net intake valve lift of 0.587 inch and exhaust of 0.577 inch.
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Automotive Racing Products (ARP)
531 Spectrum Circle
Oxnard
CA
93030
805-278-7223
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Competition Products
N/A
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Camshaft Innovations
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Jim Grubbs Motorsports (JGM)
28130 Avenue Crocker, Unit 331
Valencia
CA
91355
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Canfield Heads
Canfield
OH
44406
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Milodon
2250 Agate Ct.
Simi Valley
CA
93065
805-577-5950
www.milodon.net
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COMP Cams
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