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Given the speeds these cars are capable of, an enlarged rear wing is pretty much mandatory. FYI, this particular car has run (in official competition), speeds in excess of 166MPH. ET’s routinely range in the 8.53-8.67-range. That’s stout four-cylinder stuff in anyone’s books – FWD or RWD. OK. This is where the business end of the car normally is, but in a FWD combination, the big tires observably go on the front. At the rear, light is definitely right – particularly when you read the Rules and find that a four cylinder car with two power adders (for example, a turbo and nitrous) must weigh 2100 pounds minimum.

The final piece of the chassis puzzle that you should consider is this: Cars such as our sample Sunfire Hot Rod class racer are actually tire restricted. Here’s what the Rulebook has to say:

Tires: “DOT or racing slicks permitted with maximum width of 10.5 inches and maximum height of 28 inches. Maximum rollout on drive tires 88.5 inches.”

Here’s a look at the same car as it nears completion. In the text, I mentioned how traction requirements forced everything forward. As you can see, there’s hardware aplenty forward of the engine. This photo also gives you some idea of the tire packaging requirements. FWD combinations probably define “dense packaging” from a drag racing perspective!

As you can see, there’s a bunch more to these cars than first meets the eye. With that, we decided to dissect the “old” 2004 Pontiac Sunfire campaigned by Marty Ludwig and Bothwell Motorsports. This car was built by Mike Pustelny Racing in conjunction with General Motors, and by all accounts was one of the quickest FWD Hot Rods on the planet. And even if you’re not a fan of FWD racecars, you’ll probably appreciate the effort that goes into these cars (and please, don’t shoot the messenger – this writer has a garage full of '60s and early '70s Novas and parts). For a closer look, check out the accompanying photos.

Turbos Come to AMS Pro Modified [12-16-04]
Hooking Up the Horsepower [12-8-04]
Inside GM's 8-Second FWD Sunfire Chassis
Project Street F/X [12-8-04]
We install a pair of AFR 315cc Fully CNC Ported Magnum BBC Heads








 

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