Oldsmobile Buick Even Fire V6 Street Parts

Learn correct spark plug firing orders for SBC, LS, Mopar, AMC, and Ford V8s, and learn what the correct firing order means for performance.

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

Here's our attempt to do the impossible: pick a favorite GM truck design!