I am slowly taking the plunge with Hydratech and the hydroboost system. I am going to get the plain jane module they have. I can paint it myself. The question I have is how does the 2-bolt Master Cylinder with plastic reservoirs fare under our hoods which do not have any sort of fresh air scoops or boxes?

Will I be safe if I get the aftermarket Mopar M/C with the black plastic reservoir or should I maintain the Cast Iron and go with a GM Truck. The 77-82 GM Truck M/C is my only choice which has the 9/16 x 20 front and 1/2 x 20 rear threads.

I have the Mopar M/C it has been on the car about 7 years works great no problems.

I retrofitted the top one to my '63 330. Works great!

Used the AREngineering adapter.

Thanks fellas