(yet again). I am in the process of rebuilding my 1JZ, and like a lot of folks, I also checked into whether it may be better to just drop in a 2JZ.I managed to find a 2JZ in bits for very little money, and I finally had the opportunity to compare both 2JZ and 1JZ engines on the bench at the same time.yet again). I am in the process of rebuilding my 1JZ, and like a lot of folks, I also checked into whether it may be better to just drop in a 2JZ.
rockÂ·et 1. n. 1. a. A rocket engine. b. A vehicle or device propelled by one or more rocket engines, especially such a vehicle designed to travel through space. 2. A projectile weapon carrying a warhead that is powered and propelled by rockets. 3.A projectile firework having a cylindrical shape and a fuse that is lit from the rear.ockÂ·et 1. n. 1. a. A rocket engine. b. A vehicle or device propelled by one or more rocket engines, especially such a vehicle designed to travel through space. 2. A projectile weapon carrying a warhead that is powered and propelled by rockets. 3.
Specific Impulse. Specific impulse is the thrust per unit propellant burned each second, it measures rocket performance and more specifically, internal thrust production a product of pressure and heat. Thrust in chemical rockets is a product of the hot and expanding gasses created in the combustion of an explosive fuel.