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All they changed was the engine, the cars are Spec cars ,all the same. Only difference is the decal package. Once ford and dodge pull out, it will be a contest to see who supplies the engines, GM or Toyota. Low bidder to NASCAR wins.
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mr bruce - There's a little more to it than changing decals and the engine. True, the chassis are the same. But the side windows are shaped a little different and the hood and noses are slightly different. This makes a different aero package.... even though they are supposed to be "like cars".
Robby Gordon had originally put a new Charger front-end on his cars. NASCAR made him remove it and put a current Dodge (not really Charger) front-end on the car before they let him on the track. So there must be some difference between the two.
I went through the pits Sunday and watched several cars having:
- shocks and springs being removed and replaced;
- ride height being adjusted;
- cross weight being changed;
- carburetors being replaced;
- etc.
So there are still a lot of "set up" techniques that the crew chiefs can do to make the cars run faster that their competitors.
I was surprised when I saw the Chevy R07 engine. They have moved the distributor to the front of the engine. Looks like our Ford engines.