Chevy 307 Transmissions

Concerned about a transmission swap? Our engine transmission compatibility checker will help confirm what you need to make it happen.

Identify SBC heads using casting numbers, style tips, and year-by-year guides for your small block Chevy engine projects

Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. We’ll help you determine the correct flexplate for your Chevy engine in this buyer’s guide.

Decode small block Chevy engine suffix codes and block casting numbers with our SBC decoding info guide. Learn how to find and decipher your small block Chevy engine codes quickly and easily!

In this Tech Tip, John advises a customer on the parts needed to slip a small block Chevy engine in his 1953 Chevy 3600.

This new steel bellhousing from Speedway Motors is made for everyone who wants to run three pedals without spending a fortune or relying on a crusty original.

The 4.8 LS engine is a salvage yard bargain vs the typical 5.3 or 6.0 LS and can still make great power for your LS swap needs.

Take a look at a few of the rare and wonderful Chevy engines in the Museum of American Speed!

Learn how to successfully upgrade the cooling system for a 400 small block Chevy. Read tips for installing a water pump and auxiliary coolant lines using fittings and fuel hoses.

Kevin W. walks through each step of installing a new alternator bracket on a 454 Big Block Chevy.