Q&A

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 […]

Monday Mailbag: Mapping Out a Ford Coyote 5.0L-to-Fox Body Engine Swap
Q&A / Tech

Monday Mailbag: Mapping Out a Ford Coyote 5.0L-to-Fox Body Engine Swap

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 Ford engine swaps–specifically the Coyote 5.0L. Q. “What about Ford engine […]

Monday Mailbag: When to Run Race Tubes and When to Go Tubeless at the Track
Q&A / Tech

Monday Mailbag: When to Run Race Tubes and When to Go Tubeless at the Track

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 whether it’s best to run tubes, or tubeless racing slicks. […]

IM000500.JPG
Q&A / Tech

Monday Mailbag: What’s That Ringing Sound Coming From My Engine?

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 why new headers can cause strange noises from your engine. […]

Monday Mailbag: How to Set up an Oil Pump for High Performance Applications
Q&A / Tech

Monday Mailbag: How to Set up an Oil Pump for High Performance Applications

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 talking oil pumps. D.A. Bethesda, MD Q: I want to put a […]

Ask Away with Jeff Smith: Installing and Tuning Your Shifter for Optimum Performance
Q&A / Tech

Ask Away with Jeff Smith: Installing and Tuning Your Shifter for Optimum Performance

I just finished replacing the clutch in my ’72 Nova and put the Hurst shifter back on my Muncie four-speed but when I drove the car, something is definitely wrong. […]

Monday Mailbag: Possible Causes and Cures for Hard Shifts
Q&A / Tech

Monday Mailbag: Possible Causes and Cures for Hard Shifts

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 looking at ways to fix a hard-shifting transmission. J.W. Niagara Falls, NY […]

This is a shot of a couple of the broken rockers. There is a bluing cast to the rocker that is broken in half that indicates heat was the cause of this failure. Assuming this was an exhaust rocker, using a previously-run intake rocker on the exhaust side might help here.
Q&A / Tech

Ask Away with Jeff Smith: Rocker Arm Failure and Ways to Prevent It

I race a Corvette in the vintage road race classes and I have had a rash of broken rocker arms. The rules prevent me from converting to roller rockers. Is […]

Monday Mailbag: Diagnosing and Fixing Differential Whine
Q&A / Tech

Monday Mailbag: Diagnosing and Fixing Differential Whine

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 quieting down a noisy differential. R.R. Lincoln, RI Q: I ordered a Richmond […]