Mailbag: Transmission and Gearing Recommendations for a 454-Powered ’74 Impala on Big Wheels
Q: Recently, I purchased a 1974 Chevy Impala 4-door. It’s a pretty big car, so I decided to swap the small block 350 with a big block 454. I had a buddy build the 454, and we got a lot of parts from Summit Racing—from the Moroso 7-quart oil pan to the K&N air filter.
Video: How to Mount an LS Engine to an Older GM Transmission
There are a lot of factors to consider when swapping an LS engine into a vehicle not originally equipped with one, perhaps the most important being the transmission choice. The good news is that GM made it really easy for folks to mount an earlier transmission to an LS: the bellhousing patterns are virtually identical
Ask Away! With Jeff Smith: Troubleshooting Lockup Converter Problems on a 700R4 Transmission
I recently purchased a’71 Camaro with a small-block and a 700R4 overdrive trans. The guy who I bought it from said the trans has a lockup converter and that everything worked great. But driving it now for a while, I don’t think the converter is really locking up. I have a buddy with a 700R4
Video: How a Clutch Works
While it may be easy to see why a manual-transmission vehicle needs a clutch, understanding exactly how it works is something else entirely. But the gang at Learn Engineering is wicked-smart, and they put together a cool video that will help take the mystery out of how a clutch’s various components work in harmony to
Mailbag: Pairing an Electric Speedometer with a Cable-Driven Transmission
You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re discussing mating an electric speedometer to a cable-driven Turbo 350 transmission. Q: I have a 1990 Chevy S-10 pickup with a 350 engine, a Turbo 350 transmission, a 9-inch ford rear axle
Video: 10 Tech Tips for Installing a New Transmission
Prepare to tackle your transmission installation project by watching this video from the good people at COMP Performance Group’s TCI Automotive, who will share 10 tech tips to help your install go as smoothly as possible. Even reinstalling an identical transmission won’t be as simple as a bolt-on installation. The TCI crew emphasizes reading the instruction manual, and
Mailbag: Swapping a 5.0L Mustang Engine and AOD Tranny into a 1980 Ford Fairmont
You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re sharing a few tips for swapping a 5.0L Mustang engine and AOD transmission into a 1980 Fairmont, which shares the Fox-body platform with the Mustang. N.M. Westover, MD Q: I have a 5.0L engine and AOD transmission from
Mailbag: Diagnosing Potential Transmission Valve Body Issues
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
Mailbag: Solving Recurring Driveline Vibration
You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re troubleshooting drivetrain vibration. Q: I have two questions about my truck. It’s a 1994 Chevy C1500 pickup with a 4.3L Vortec V6 engine. I purchased it from my uncle, who converted it from a manual transmission to a TH-700-R4




Stay Connected