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Nitrous Install - Cheap Street Chevelle

How To Install Nitrous-Oxide Injection On A V8-Powered Street Machine

The response to Car Craft's project Cheap Street Chevelle has been amazing. Readers have been sending in loads of mail offering advice on what mods should be done to Cheap Street to make it even better and faster. And that's the goal of this project--to use the car as a test mule for upgrades that readers want to see.

Most of the letters we get focus on making the Chevelle quicker in the quarter-mile. Of the "horsepower hungry" letters, many want to know how effective nitrous oxide really is. Does nitrous really deliver the power that it claims?

Car Craft reader Greg McGee wrote:

I've got a '67 Mustang with a 10:1 small-block V8 engine, a Holley 650-cfm carb and a street/strip cam. The car has a C4 automatic transmission, 2500-stall converter and 3.70:1 rear gears. So far my Mustang has run a best e.t. of 13.46 at 101 mph. How effective will a basic nitrous kit (not a big, full-race nitrous setup) be for my Mustang? Since your project Cheap Street Chevelle has similar parts to my car, maybe you can install nitrous on your car to see how much quicker it goes and how reliable it really is.

Well Greg, ask and you shall receive. This month we're installing a basic nitrous-oxide setup on our Chevelle to see if we can knock some notable time off of our e.t.'s--not just a tenth or two. We contacted the folks at Nitrous Oxide Systems (NOS) in Cypress, California, to help us choose a basic system. By basic we mean an adjustable kit that offers a power increase up to about 150 horsepower. Although NOS has dozens of nitrous kits available (including its extremely popular 250hp Cheater kits), the technicians recommended a more tame Super Power Shot series kit (PN 5104). The kit comes with everything needed to install the system and is fully adjustable between 50 and 175 horsepower, making it perfect for our daily driver Chevelle. In addition, the Super Power Shot is affordably priced at about $350, making it perfect for a street machiner on a limited budget.

If you've been keeping up on project Cheap Street Chevelle, you know that it recently got a new low-buck engine (which produced 355.6 horsepower). The engine was strong enough to power the car to consistent 13.5-second e.t.'s. Since then, we've rebuilt the stock TH350 transmission, installed a new Carter mechanical fuel pump (the stock fuel pump was starving the engine at high rpm) and bolted on a set of sticky Mickey Thompson 26x8.5-inch E.T. Drag slicks for track testing. Before installing the nitrous system, we retested the car with the new tranny, fuel pump and slicks in place. We're happy to report that our rig ran a 13.18 at 100.33 mph, which was immediately backed up with a 13.19 at 100.03 mph through the mufflers!

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