Search results for "fitech"

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re reading spark plugs. Q: I’m having a problem with my 1980 Ford 1/2-ton pickup. […]

When it comes to picking the best forged pistons for your performance or race engine, you’ll probably hear two different alloys being mentioned quite often: 2618 and 4032. Truth is, […]

At first glance, a rod end or Heim joint looks like a pretty straightforward part. But there’s a ton of tech that goes into designing one that’ll withstand serious street, […]

Q: How is exhaust runner volume measured and how does it affect performance? … A: Exhaust runner volume is the measure of the passage from the exhaust valve to the […]

I’ve got a direct-drive ski boat with a worn out 350 c.i.d. small-block Chevy. I’m thinking about building a new engine with modest goals. It’s a family boat, but I […]

It’s been a minute since we got much news from the Buick side of GM’s shop. But if you think that means the Buick folks haven’t been busy, the division […]

Q: How can I figure out if these headers will fit my vehicle? … A: Exhaust headers are designed to fit a specific combination of engine and vehicle. Just because a […]

Summit Motorsports Park raised a lot of eyebrows late last year when the dragstrip announced it would host the Lucas Oil Pro Pulling League for the inaugural World Series of […]

The LM4 is a 5.3L, Gen. 3 small block engine used in GM trucks between 2003 and 2005. It’s is very similar to the LM7, except that it’s built on an […]

The LZ1 is a 6.0L, Gen. 4 small block engine used in GM hybrid trucks and SUVs between 2010 and 2013, replacing the LFA (2008-09) as the LS engine family’s […]