Day: 23

Did you forget to send out your Christmas cards this year? It’s not too late, because the creative types at Summit Racing have developed a set of digital greetings you can share via email, Facebook, Twitter or other electronic media. Check out all eight below and share!

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we cover the difference between close ratio and wide ratio transmissions and provide casting numbers for GM differential carriers. R.C. Elmore, AL Q: I have a couple questions regarding driveline performance: First, I have seen the terms “close ratio”