mailbag

Q: I’m in the process of resto-modding a GMC pickup. The truck is currently equipped with a 5.7L 350, overbored to .040”. First, how do I figure out my new […]

Q. I have a late-model Chevy Silverado, and I’m replacing the halogen headlight bulbs every coupleof months. I’ve tried all brands of bulbs, I’ve checked my charging voltage, and I […]

Q. A few years back, I swapped an LS into my G-body Monte Carlo. I plumbed the fuel injection system with braided rubber hose. Now I’m noticing a constant gasoline […]

Q. I have a Cummins diesel-powered drag race truck. I’m thinking about adding a nitrous oxide system to reduce turbo spool time and improve overall power. Do diesel engines react […]

Q. I’m building a twin-turbo Chevy LQ4 engine and I’m not sure which oil pump to use. Melling’s Performance line has several to choose from. Can you give me some […]

Q. I recently installed an aftermarket USB port with a digital voltage display in my newer Ford truck. I noticed my battery voltage varies significantly, between 12.9 and 14.1 volts, […]

Q. I have a lot of old, used spray paint cans on the shelf in my garage. And it seems like every time I grab one to paint with, it’s […]

Q. I want to improve my Ford F-150’s off-road performance by adding Eaton Detroit Truetrac differentials front and rear. Are these differentials compatible with my factory electronic traction control system, […]

Q. I am choosing a torque converter for my 1970 Nova with a 430 hp 383 stroker and a 4L60 transmission. I see lockup and non-lockup options. My understanding is […]

Q. I’m planning to swap a Gen. III 5.7L Hemi with an Edelbrock supercharger into a third-gen Dodge D-Series pickup truck. My Question is about the fuel system: How do […]