The Novak Gateway to
Installing Chevrolet & GM Engines
into
Jeeps
A statement we hear most from customers goes something like this: "My engine conversion was the
most significant / satisfying upgrade that I have made to my Jeep."
These following articles have evolved from original versions written in the late 1960's, and then continuously updated.
This gateway will guide you to information about the GM, Chevrolet or Buick engine upgrade
you may be planning.
Early CJ & Military Universals
1946-1971
These earlier Jeeps are where the swapping hobby began. This series begins with the CJ2 and spans up through the CJ6.
- CJ2A, 1946-1949
- CJ3A, 1949-1953
- M38, 1949-1952
- M38-A1, 1952-1971
- CJ3B, 1953-1968
- CJ5, 1955-1971
CJ Universals
1972-1986
With more room in the engine bay and stronger frames than their predecessors, these Jeeps accept GM power very well.
YJ Wranglers
1987-1995

Even stronger frames, large engine bay, and the driver's drop transfer case also allows
more transmission clearance make YJ's awesome for GM power.
TJ / LJ Wranglers
1997-2006
The most radical redesign and upgrade of the Jeep universals, and a nearly perfect
conversion platform. They feature a more complex frame geometry and refined suspension.
XJ Cherokee / MJ Commanche
1984-2001
Cherokee and Commanche conversions are easier and more successful than ever. Here's how it's done...
FSJ Jeeps
1962-1991
These spectacularly styled Jeeps make for some of the most enjoyable conversions of them all:
Utility Trucks & Wagons
1947-1964
The Utility Series Jeeps accept classic and modern GM power very well. Here's how...
FC Forward Control Trucks
1966-1971
These Jeeps are so immensely cool. Some should be left as original collectors, but some have had modifications which make them fair game for a GM power upgrade.