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polishing an engine port in a cylinder head

Ask Away! with Jeff Smith: Port Matching vs. Pocket Porting — Which is a Better Use of Time?

I’m still buying parts to assemble a 355-cubic-inch small block Chevy for my ’55 Chevy. My buddy was over this past weekend and told me that I should make sure […]
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engine with camshaft degree wheel installed

Ask Away! with Jeff Smith: The Great 5.3L Truck Swap Debate Revisited!

Editor’s Note: The following letter is in response to an answer in a previous column concerning whether to go with a 5.3L LS engine or a larger 350ci small-block Chevy. […]
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close up of ports on a intake manifold

Ask Away! with Jeff Smith: What’s Causing Excessive Oil Consumption in My Engine?

I’m having a problem with the small block 383 in my Impala. The engine was new about two years ago, but I keep having problems with the spark plugs loading up […]
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gmc rear axle under a car

Ask Away! with Jeff Smith: 8.2 or 8.5 — How to Identify GM 10-Bolt Rear-Ends

I purchased a ’68 Camaro basket case along with a pile of parts including what appears to be a 10-bolt rear-end that was not under the car. How do I […]
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fast throttle body efi system on big block chevy engine

Ask Away! with Jeff Smith: Troubleshooting and Tuning a FAST EZ-EFI Fuel Injection System

I recently bought an EZ-EFI throttle body fuel injection system from FAST for my ’70 Buick Skylark. I installed it according to the instructions and it started and ran pretty […]
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pro touring chevy chevelle driving down road

Ask Away! with Jeff Smith: Suspension Upgrade Tips for Early Chevelles (and other A-Bodies)

I just purchased a ’64 Chevelle that is very close to stock. It has a 350-cubic-inch small block and a Turbo 350 that I’m happy with, so I’m thinking of improving […]
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oil filter adapter

Ask Away! with Jeff Smith: Should I Block Off My Oil Filter Bypass?

I’m confused. I’ve seen magazine stories that say you should plug off that oil filter bypass in a small block Chevy but I’ve also heard that you shouldn’t do that. […]
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cathederal port cylinder head

Ask Away! with Jeff Smith: Rectangle vs. Cathedral Port Heads – Which is Right for Your LS?

Everything I read says that the big rectangle ports for LS engines flow better than the cathedral ports. But then I know some pretty quick street cars running cathedral port […]
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drilling out valve stem bores in a cylinder head

Ask Away! with Jeff Smith: Blueprint for a Budget Small Block Chevy Build

I want to build a mild, 350ci small-block Chevy for a ’77 Chevy pickup I’ll use as a daily driver. The trans will be a TH-350 with a stock torque […]
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close up of piston rings on an engine piston

Ask Away! with Jeff Smith: Piston Ring Thickness and Why Thin is In!

I’ve heard that late model engines now run much thinner rings than the older production engines. Are these thinner rings just there to improve fuel mileage or is there a […]
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