Pro Tree T-Brake Vs. Full Tree T-Brake in SS

JP Schuster · 03-07-2016, 03:31 PM

Is there a performance advantage to using a certain kind of transbrake in Super Stock?

Jeff Stout · 03-07-2016, 05:42 PM

When I went from a old TCI valve body to a Griner valve body I was .035 faster with Griner. Everything else in car was the same.

Ed Wright · 03-07-2016, 08:46 PM

I have had three transmissions in mine, I won't name the other names, but whatever the Smiths put in my Pro Trans is faster than the other stuff I had. Only button I can find slow enough, even using a blinder, is the Just-N-Time button.
Best transmission I ever ownned as well.

JP Schuster · 03-08-2016, 08:26 AM

Do you guys mean faster in reaction time or ET?

Bobby DiDomenico · 03-08-2016, 11:48 AM

Is "faster" by dumping the reverse fluid quicker?

Jeff Stout · 03-08-2016, 12:44 PM

Quote:

Originally Posted by JP Schuster

Do you guys mean faster in reaction time or ET?

Faster in reaction time. I had to adjust more travel in button. To many redlights

Ed Wright · 03-08-2016, 02:05 PM

Quote:

Originally Posted by JP Schuster

Do you guys mean faster in reaction time or ET?

The Pro Trans made the car faster, but I was referring to my lights. Suddenly going red with my old button.

JP Schuster · 03-09-2016, 08:27 AM

Okay thanks guys!

Mike Gray · 03-09-2016, 04:23 PM

When I raced super-gas I made my own trans brake buttons from surplus snap switches available at a local electronic store for about $2.50 a piece.
This is a similar one that can be ordered for about $9.00. I just made my own shims to change the length of the button travel. I could red light easy when used with little travel.

Tom Goldman · 03-12-2016, 11:07 AM

Pro Tree brakes are typically fluid exhaust , meaning they rely on line pressure to move the valve when the solenoid releases . .....They are really intended for the Super .90 classes . makes it hard to not go red on a full tree .
They typically us much higher line pressure than a spring actuated valve .
Higher line pressure = more HP consumption = slower ET's !

03-07-2016, 03:31 PM	#1
JP Schuster Junior Member Join Date: Mar 2012 Posts: 54 Likes: 0 Liked 0 Times in 0 Posts	Pro Tree T-Brake Vs. Full Tree T-Brake in SS Is there a performance advantage to using a certain kind of transbrake in Super Stock?

03-07-2016, 05:42 PM	#2
Jeff Stout VIP Member Join Date: Dec 2001 Location: phoenix Posts: 1,484 Likes: 65 Liked 704 Times in 281 Posts	Re: Pro Tree T-Brake Vs. Full Tree T-Brake in SS When I went from a old TCI valve body to a Griner valve body I was .035 faster with Griner. Everything else in car was the same.

03-07-2016, 08:46 PM	#3
Ed Wright Veteran Member Join Date: Mar 2005 Location: Sand Springs, OK Posts: 8,132 Likes: 896 Liked 390 Times in 170 Posts	Re: Pro Tree T-Brake Vs. Full Tree T-Brake in SS I have had three transmissions in mine, I won't name the other names, but whatever the Smiths put in my Pro Trans is faster than the other stuff I had. Only button I can find slow enough, even using a blinder, is the Just-N-Time button. Best transmission I ever ownned as well. __________________ Ed Wright 4156 SS/JA

03-08-2016, 08:26 AM	#4
JP Schuster Junior Member Join Date: Mar 2012 Posts: 54 Likes: 0 Liked 0 Times in 0 Posts	Re: Pro Tree T-Brake Vs. Full Tree T-Brake in SS Do you guys mean faster in reaction time or ET?

03-08-2016, 11:48 AM	#5
Bobby DiDomenico Senior Member Join Date: Jun 2002 Posts: 923 Likes: 101 Liked 101 Times in 52 Posts	Re: Pro Tree T-Brake Vs. Full Tree T-Brake in SS Is "faster" by dumping the reverse fluid quicker?

03-09-2016, 08:27 AM	#8
JP Schuster Junior Member Join Date: Mar 2012 Posts: 54 Likes: 0 Liked 0 Times in 0 Posts	Re: Pro Tree T-Brake Vs. Full Tree T-Brake in SS Okay thanks guys!

03-09-2016, 04:23 PM	#9
Mike Gray Senior Member Join Date: Oct 2006 Posts: 613 Likes: 306 Liked 684 Times in 195 Posts	Also - you can make your own adjustable button When I raced super-gas I made my own trans brake buttons from surplus snap switches available at a local electronic store for about $2.50 a piece. This is a similar one that can be ordered for about $9.00. I just made my own shims to change the length of the button travel. I could red light easy when used with little travel. Attached Thumbnails

03-12-2016, 11:07 AM	#10
Tom Goldman VIP Member Join Date: Jan 2003 Location: Allentown,PA Posts: 2,473 Likes: 878 Liked 857 Times in 234 Posts	Re: Pro Tree T-Brake Vs. Full Tree T-Brake in SS Pro Tree brakes are typically fluid exhaust , meaning they rely on line pressure to move the valve when the solenoid releases . .....They are really intended for the Super .90 classes . makes it hard to not go red on a full tree . They typically us much higher line pressure than a spring actuated valve . Higher line pressure = more HP consumption = slower ET's ! __________________ Tom Goldman 1500 SG , 1506 STK