I currently have a UCC 9.5 that stalls around 6200-6400 TRADED IN MY CONVERTOR TO LENNY FOR A 10 INCH I currently that should stall 3800-4200
my engine guy wants me to try this bolt together COAN 9 inch that he sent back to them.and had tightened up.
I guess I'm questioning now can a 910 inch give me what I need when a 9.5 won't? Is it the quality of convertor being a bolt together or is my engine guy full of shit
Many different converters are refereed to as "9 inch".
Some call the 8 3/4" Opel core a 9".
The Ford Cortina had a 9" converter that was popular for performance use at one time...
The 245mm GM core is also referred to by some as a 9".
Each one works very differently and each had a wide variety of stall speeds depending on the pump cover & stator combinations & application.