What kind of transmission do I need for a Jeep YJ?
Your first choice would be a transmission that bolts up directly to an SBC. I’m not a manual transmission guy, so you’ll have to research those options. For automatics, a TH350 is a great choice.
What kind of engine does a Jeep CJ have?
Mild modified inline 6 = 175hp, mold modified V8 = 400hp. Nuff said WEIGHT. The Jeep 258 engine weighs approximately the same as a Chevy small block with iron heads. Use aluminum heads, and you are even farther ahead. . Weight balance. With the 258 engine, the Jeep is very nose heavy, not a great balance.
Is the 258 engine better for a Jeep CJ?
Weight balance. With the 258 engine, the Jeep is very nose heavy, not a great balance. Because the V8 is a shorter engine, the weight sits farther back into the engine compartment, balancing the weight better. This also gives you the advantage of more clearance to the radiator, depending on your accessory setup.
Which is the best V8 option for a Jeep YJ?
In the case of GM performance parts crate blocks, they have gone through extensive testing for durability, and the components are properly matched. The GM Performance Parts Ramjet350 is a great option in that it puts out 350HP, 350ft-lbs of torque, is VERY easy to wire up (almost as easy as carb), and comes complete.
What kind of engine does a Jeep YJ have?
The engine fits great into the bay, and owner S. Lomoriello shows some beautifully clean installation work. The YJ was released with two available engines; one being the AMC 2.5L, four-cylinder with 105 hp. This was AMC’s newly designed and released engine, whereas they had used the GM 151 Iron Duke four-cylinder in previous Jeeps.
What kind of transmission do I need for YJ Jeep?
They are sometimes more central to the conversion than the engine. In the entire production run of the YJ Jeep, all transmissions except one should be ruled out when performing a GM engine swap. These include the AX5, Peugeot and 904 / 30RH transmissions, which were hardly durable behind the lackluster factory engines.
In the case of GM performance parts crate blocks, they have gone through extensive testing for durability, and the components are properly matched. The GM Performance Parts Ramjet350 is a great option in that it puts out 350HP, 350ft-lbs of torque, is VERY easy to wire up (almost as easy as carb), and comes complete.
Weight balance. With the 258 engine, the Jeep is very nose heavy, not a great balance. Because the V8 is a shorter engine, the weight sits farther back into the engine compartment, balancing the weight better. This also gives you the advantage of more clearance to the radiator, depending on your accessory setup.