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Chevy ZZ502 Short Block YSI Supercharger Upgrade - V Is For Power!
| CAMSHAFT SPECS | | Manufacturer | Comp Cams | | Type | Solid roller | | Valve lift | 0.650/0.650 inch,
intake/exhaust | | Duration at 0.050 | 245/250 degrees,
intake/exhaust | | Lash (hot) | 0.018/0.020 inch,
intake/exhaust | | Lobe separation | 112 degrees | | GOT FLOW? | | DART CNC 335 HEADS | | LIFT (IN) | FLOW (CFM) | | | INTAKE | EXHAUST | | 0.050 | 33 | 28 | | 0.100 | 71 | 71 | | 0.200 | 154 | 130 | | 0.300 | 222 | 177 | | 0.400 | 280 | 238 | | 0.500 | 322 | 274 | | 0.600 | 353 | 297 | | 0.700 | 374 | 312 | | 0.800 | 386 | 330 |  This is the same ZZ502 short-block...  This is the same ZZ502 short-block we used back in the June '08 issue. We didn't change anything, just cleaned it up before bolting on the Dart top end. |  We reused our Comp Cams' Endure-X...  We reused our Comp Cams' Endure-X lifters. It's important to mention that the Gen VI short-block requires a 0.300-inch-taller body lifter, and these can be had under PN 866-16. |  Given the boosted environment...  Given the boosted environment we were going to subject our ZZ502 to, we used a set of Fel-Pro 1075 MLS head gaskets. The multilayer steel design will fight increased cylinder pressure and help prevent potential blown head gaskets. |  In the past, we've taken a...  In the past, we've taken a pretty detailed look into Dart's CNC Pro 1 335s. What we learned was that they flow like mad and come with a rather robust spring package, perfect for this month's test. |  Topping off the heads is a...  Topping off the heads is a matching Dart single-plane manifold and a complete set of Comp Cams 1.7:1 Pro Magnum roller rockers. For pushrods, we used Comps 3/8-inch-diameter Hi-Tech pushrods, measuring 8.400 inches on the intake and 9.400 inches on the exhaust. |  Functional is good, but if...  Functional is good, but if you want eye candy too, it's tough to beat Moroso's fabricated aluminum valve covers. Moroso offers a wide variety of applications and options; ours included thick billet rails for improved sealing along with a tall design to clear most rocker combinations-even stud girdles, should you have them. |
Chevrolet Corvette Research
Review in-depth reviews on the new Chevrolet Corvette, featuring test drives, comparisons, options, features and more. The 2010 Corvette is equipped with a V8 engine, generating 505 horsepower, and it has drivers side crash test ratings of 8 stars and passengers side crash test ratings of 8 stars.
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