starion pwr steering to sigma

[daz1]

Has anyone done this conversion. i have a JA starion with pwr steering (4g63t)would this be an easy swap into my GE sigma (4g54 astron) the box looks the same, pump bracket looks like it might fit, etc. do you need to swap steering column over ?

[turbogj260]

Ive got the JA Starion Pump on my GJ sig mounted down the bottom of the motor. Had to use the starion pump as my Sig one was causing the power steering fluid to boil under high RPM even with a proper cooler on it so i mounted a external tank (the starion pump has a fitting so the tank is attached to the pump via a small hose) up high and fixed the problem. Everything on the pump side of the starion fits as for the box and shaft ide say it will have to be changed as the sigma power steering shaft is longer than the non power steering one. I reckon ull be right