Q&A

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re cramming a 383 into a 1974 Dodge Dart Sport. C.B. Oshkosh, WI Q: I have a 1967 Chrysler Newport with a 383 and a 1974 Dodge Dart Sport with a 318 and four-speed transmission. I would like to put the 383

I recently installed a NOS Cheater nitrous system on my car and we took it to a chassis dyno to test the system. The jets were rated at 150 hp but when we tested it, it only delivered barely 100 hp. The guy who runs the dyno said my fuel pressure was okay but the

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re having a closer look at problematic transmission. D.S. Lakeworth, FL Q: I have a Turbo 350 transmission connected to a 10-inch converter (3,300-3,500 stall). In the water box at the track, the car shifts fine. When I go down the

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re getting a Ford 351W ready for some oval track racing. H.F. Acme, PA Q: My son used to race a Street Stock oval track car, and that got me to want one of my own. I would like to try

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re curing a potential fuel delivery problem. B.L. Vale, NC Q: I have a 350 Chevy (bored .030 inches over) with 10.4:1 forged pistons, 292-degree duration cam, and Corvette heads with 2.02-inch/1.60-inch valves. The engine also has an Edelbrock intake and

I have a TH400 trans that I just bought to replace the ailing TH350 in my ’70 big-block Camaro. A friend told me that there’s a special way to set up the kickdown linkage on this transmission but I can’t find any kind of linkage. Another friend told me that it’s electrical. I really don’t

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re nailing down the right combination of tire size, gear ratio, and torque converter stall speed for a Pro Street Plymouth. C.C. Governors Island, NY Q: I am building a 1948 Pro Street Plymouth Club Coupe for weekend cruising and

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re examining the pros and cons of a Ford 390FE engine rebuild. J.S. El Paso, TX Q: I’ve got a line on a freshly rebuilt Ford 289 that I’d like to drop in to my 1970 F-100. Currently, the truck

I finally collected all the parts to assemble my small-block Chevy 350 but when I torqued the head bolts, one of the holes stripped. I’ve heard there’s a way to fix this with a thread insert kit, but I’ve never done it before. Do I have to take the engine to a machine shop to

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re talking about examining aftermarket radiator options. V.R. Fort Wayne, IN Q: I have a 1967 Impala SS with a V8 engine and the original radiator. I ran it recently and the water temperature went up to 185 degrees F. I’m thinking