Q&A

Monday Mailbag: Tuning Your Carburetor for Mid and Upper RPM Power
Q&A / Tech

Monday Mailbag: Tuning Your Carburetor for Mid and Upper RPM Power

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 setting up a Holley carburetor for mid and high rpm […]

Ask Away: Diagnosing Excessive Distributor Noise
Q&A / Tech

Ask Away: Diagnosing Excessive Distributor Noise

I have a question. My 1970 SS Chevelle has a 350 crate motor. When I start the engine now, there is a loud whiney sound coming from my distributor. Is […]

Monday Mailbag: Achieving Proper Cylinder Head-to-Manifold Seal in 6 Easy Steps
Q&A / Tech

Monday Mailbag: Achieving Proper Cylinder Head-to-Manifold Seal in 6 Easy Steps

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 exploring a technique for proper intake manifold-to-cylinder head sealing. C.M. Chicago, […]

Monday Mailbag: Cam Duration and Piston-to-Valve Clearance–and How they Relate
Q&A / Tech

Monday Mailbag: Cam Duration and Piston-to-Valve Clearance–and How they Relate

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 camshaft duration and piston-to-valve clearance. D.W. Nova Scotia, Canada Q: I […]

Ask Away: How Electronic Fuel Injection (EFI) Affects Cam Idle (Hint: You May Not Like It)
Q&A / Tech

Ask Away: How Electronic Fuel Injection (EFI) Affects Cam Idle (Hint: You May Not Like It)

A friend of mine just added an EZ-EFI 2.0 EFI to his big-block Camaro and while it runs great, it has definitely lost much of its old rumpy cam idle […]

Monday Mailbag: How Rocker Ratio Affects Performance
Q&A / Tech / Tech Articles

Monday Mailbag: How Rocker Ratio Affects 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 examining how changing rocker arm ratio can help performance. T.Y. […]

Ask Away: Swapping Out a TH-400 for an 4L80E Overdrive Transmission
Q&A / Tech

Ask Away: Swapping Out a TH-400 for an 4L80E Overdrive Transmission

I bought a 4L80E automatic trans out of a late model pickup to put in my ’66 Bel Air. We swapped a big block Chevy into the car a few […]

Monday Mailbag: Is Your Vacuum Advance Hurting Highway Performance?
Q&A / Tech

Monday Mailbag: Is Your Vacuum Advance Hurting Highway 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 diagnosing rough engine operation at highway speeds. H.R. Marshfield, WI Q: I […]

Monday Mailbag: 8 Causes of Camshaft Failure and How To Prevent Them
Q&A / Tech

Monday Mailbag: 8 Causes of Camshaft Failure and How To Prevent Them

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 common causes of camshaft failure and what you can do […]

This is our home made front timing cover seal alignment tool. We cut out the hub from a stock truck balancer and then honed the hub i.d. so it would slide over the crank snout. Leave the cover bolts loose and position the cover so the seal is centered on the hub. It’s that easy.
Q&A / Tech

Ask Away with Jeff Smith: The Ins and Outs of LS Cam Swaps

I’ve heard that changing cams in an LS engine is really easy, but I’ve never worked on one of these engines before and I don’t want to screw it up. […]