Q&A

Ask Away! with Jeff Smith: Examining Timing Advance in Street vs. Race Engines
Q&A / Tech

Ask Away! with Jeff Smith: Examining Timing Advance in Street vs. Race Engines

Do you know of or are you a good source for questions about timing? I’m not talking about the basics. I think I have that figured out. A question I […]

Monday Mailbag: The 9 Things You Should Know Before Ordering a Camshaft
Q&A / Tech

Monday Mailbag: The 9 Things You Should Know Before Ordering a Camshaft

You’ve got questions. We’ve got answers—Mondays, when the Summit Racing tech department tackles your automotive-related conundrums. This week in our Monday Mailbag, we’re discussing what you need to know when choosing […]

Monday Mailbag: How to Run Dual Ignitions for Added Reliability
Q&A / Tech

Monday Mailbag: How to Run Dual Ignitions for Added Reliability

You’ve got questions. We’ve got the answers—Mondays, when the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re examining a double ignition setup. J.B. Troy, OH Q: I have a V8 engine […]

Ask Away! with Jeff Smith: How to Decode a COMP Cams Camshaft
Q&A / Tech

Ask Away! with Jeff Smith: How to Decode a COMP Cams Camshaft

I purchased a used hydraulic roller camshaft from a friend that was originally used in an LS1 engine. My buddy says it’s a mild cam that’s bigger than a stock […]

Monday Mailbag: Tracking Down Potential Charging System Issues
Q&A / Tech

Monday Mailbag: Tracking Down Potential Charging System Issues

You’ve got questions. We’ve got the answers—Mondays, when the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re troubleshooting a weak charging system. J.W. Dix Hills, NY Q: I own a 1969 […]

Monday Mailbag: A Case Study in Cam Size and Idle Quality
Q&A / Tech

Monday Mailbag: A Case Study in Cam Size and Idle Quality

You’ve got questions. We’ve got the answers—Mondays, when the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re discussing cam size and idle quality. K.B. Keyser, WV Q: I am modifying […]

Ask Away with Jeff Smith: Understanding Vapor Lock–and How You Can Fix It!
Q&A / Tech

Ask Away with Jeff Smith: Understanding Vapor Lock–and How You Can Fix It!

What exactly is vapor lock? My friends say I have a problem with vapor lock. Last summer, my small block 350 Camaro had problems in the heat of late summer […]

Monday Mailbag: Use Mandrel Bending to Preserve Exhaust Performance
Q&A / Tech

Monday Mailbag: Use Mandrel Bending to Preserve Exhaust Performance

You’ve got questions. We’ve got the answers—Mondays, when the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re discussing how bending exhaust pipes affects vehicle performance. K.C.  Omaha, NE […]

Monday Mailbag: Diagnosing Excessive Coolant Temperatures
Q&A / Tech

Monday Mailbag: Diagnosing Excessive Coolant Temperatures

You’ve got questions. We’ve got the answers—Mondays, when the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re discussing high coolant temperatures at highway speeds. R.L.  Derry, NH Q. I […]

This is the type of spark plug you will need for your ZZ small-block. Most stock small-block cylinder heads take this 0.704-inch thread reach plug with a tapered seat and a projected nose. This happens to be a Bosch copper center electrode plug.
Q&A / Tech

Ask Away with Jeff Smith: Choosing Spark Plugs for Chevy ZZ Crate Motors

What type of spark plugs do I use on my ZZ3 motor? I know that there are a lot of different spark plugs but what type do I use in […]