Velocity stack air cleaners are like Mouse motor elevator shoes. We decided to reuse the stock thermostat housing, painted orange for a little contrast. We retained the accessory drive from the basic kit and added a set of Made For You plus wire looms. Velocity stack air cleaners are like Mouse motor elevator shoes. We decided to reuse the s Street/Strip Package It was now time to step up our game. Jeff Latimer at Jim Grubbs Motorsports likes to build high-winding 331ci, small-journal small-blocks, which gave us the inspiration to bolt on a Summit combo tunnel-ram and some big-tube headers and tall valve covers to give our small-block that racer look. Did you spot our other subtle swap? Yep, we dumped those two-barrel 327 heads for a set of big-valve 492 castings. This approach still has a budget flavor because the tunnel-ram package from Summit delivers a pair of 600-cfm vacuum-secondary carburetors and the Weiand tunnel-ram intake, plus linkage all for less than $850. If you want to read more about tunnel-rams, look up "Tunnel-Rams for the Street," in the Dec. '08 issue. For tunnel-ram applications that use vacuum-secondary carburetors, it's a good idea to run a common vacuum source with these plastic vacuum covers that will tie both diaphragms together. Plus, this Holley Quick Change kit makes it much easier to change secondary diaphragm springs. For tunnel-ram applications that use vacuum-secondary carburetors, it's a good idea to run With larger primary tubing headers, it can get tight between the tube and the header bolts. Summit sells 3/8-inch hex head bolts with a smaller outside diameter that offers a little more clearance. With larger primary tubing headers, it can get tight between the tube and the header bolts With the air cleaners removed, if we were really serious about giving this package a competition flair, we'd mill the choke towers and go with a sideways carb linkage to expedite jet changes. With the air cleaners removed, if we were really serious about giving this package a compe DESCRIPTION PN SOURCE PRICE Summit tunnel-ram kit 03-0184 Summit Racing $847.80 Summit intake gasket set G2410 Summit Racing 12.95 Summit tall chrome valve covers G3301 Summit Racing 24.95 Summit velocity stack air cleaner G3006 Summit Racing 43.95 ea. Summit chrome plug kit, 3/8-inch G1482 Summit Racing 5.95 Summit chrome plug kit, 1/2-inch G1483 Summit Racing 5.95 Hedman 13/4-inch painted headers 65101 Summit Racing 205.95 Holley quick-change dia. covers 20-59 Summit Racing 15.95 Made For You wire looms 5035613 Summit Racing 46.39 Summit red plug wires 868836R Summit Racing 29.95 « | 1 | 2 | 3 | » | View Full Article By Jeff Smith Enjoyed this Post? Subscribe to our RSS Feed, or use your favorite social media to recommend us to friends and colleagues!