I was working on my engine the other day when I pulled the distributor cap and noticed what looked like grease around the inside of the cap. But what really caught my eye was the strange buildup of crud on one end of each spark plug wire terminal on the cap. What causes this and
Q: I was shopping around for a new carburetor recently, and I noticed some carburetors being described as calibrated and ready-to-run out of the box. Is there really such thing as a “ready-to-run” carburetor? Don’t most carburetors require some amount of tuning after installation? A: While most aftermarket carburetors are wet-flow tested and calibrated for ready-to-run operation at the
Q: My ’72 C10 has a TH-700-R4 transmission. I want to run braided AN line to an aftermarket transmission cooler with -6 AN ports. What fittings will I need to adapt the braided line to the radiator and transmission? A: Your TH-700-R4, and most other GM transmission cases, accept 1/4-inch NPSM (National Pipe Straight Mechanical) fittings. Summit
I have an ’85 C-10 pickup that we’ve installed a factory fuel-injected 5.3L truck engine. We bolted a TH400 transmission to the LS engine but I now realize that I don’t have any way to trigger the kickdown linkage on the TH400 trans. How do I do this so I don’t hurt the trans? R.G.
Q: I’m building a fuel system for my 1969 Chevelle. I plan on running an electric fuel pump that puts out a maximum pressure of 14 psi. What type of fuel pressure regulator should I use? A: You can use a bypass (return) on a non-return style fuel pressure regulator. A bypass regulator sends unused fuel back
I don’t know if this is the right spot for a question but will a 16-inch electric fan cool a 1993 C1500 in the summer? J.P. Jeff Smith: The easy answer to this question is a qualified yes, but we’d be selling you short if we simply left it at that. The real answer to
Q: : I have a 1967 Pontiac GTO with a 400-cubic-inch engine that originally came from a 1968 Grand Prix. The 10.75:1 compression engine is rated at 340 horsepower. The car has an M-20 four-speed transmission and 3.55 rear-end gears, and curb weight is about 3,500 pounds. What I really want is a strong, daily-driven
What exactly is vapor lock? The weather is warming up now and last summer I had trouble with my small block Nova dying a various times when he engine ran a little hot. Is there anything I can do to prevent this? R.S. Jeff Smith: That’s a really good question that doesn’t really have a
Q: : I have a 1975 Mustang II built for drag racing. It has a 302 V8 and a C-4 transmission with an Ultra II bellhousing. I’m having problems with starters grinding when I try to start the engine. I’ve tried several different starters, but they all do the same thing. I’ve also tried changing
Q: I have a 455-cubic-inch Pontiac with a pair of cylinder heads from a 400. The compression ratio is estimated at 9.3:1. The engine was completely rebuilt by a professional engine shop with forged pistons and crank, good valve job, roller tip rockers, double valve springs, etc. Here are some of the components I have: Holley
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