Hooking off a transbrake
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On The Tree
Joined: Apr 2010
Posts: 173
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From: Omaha,NE
Hooking off a transbrake So I'm about done with my 80 swap in my car and I'm curious to see what you guys think it will take to get it to hook HARD!!! Lets start off with current setup cam and carbed sbe with 4.30s and 4500 stall hard hitting converter. Current suspension is all stock up front with deleted front sway bar. As for the rear it has a full adj. rear suspension except shocks.
So here is the kamikaze question, what all more would it take to get a car to hook off a brake on the street (burnout in prep and that's it) obviously good shocks are gonna be in need, but what kind of shocks should I be looking at. Oh almost forgot to mention I'm gonna be running the m/t 275 radial pro. Lets see what you guys think or if its even possible. Just trying to see what kind of shock and spring setups I should be looking at.
So here is the kamikaze question, what all more would it take to get a car to hook off a brake on the street (burnout in prep and that's it) obviously good shocks are gonna be in need, but what kind of shocks should I be looking at. Oh almost forgot to mention I'm gonna be running the m/t 275 radial pro. Lets see what you guys think or if its even possible. Just trying to see what kind of shock and spring setups I should be looking at.
I should be able to let you know some info after this weekend. This will be my first time out on my new setup:
TH400, 3600stall, transbrake, 9 inch with 4.57's, and the 275 MT radial pro
TH400, 3600stall, transbrake, 9 inch with 4.57's, and the 275 MT radial pro
If you come off a trans brake on a street with no kind of prep or traction aid, it will blow the tires off every time.
My car spins pretty good rolling into the throttle on a street. And that is with a 325 radial.
The best thing to do is roll in to it til it is hooked up and movin good.
My car spins pretty good rolling into the throttle on a street. And that is with a 325 radial.
The best thing to do is roll in to it til it is hooked up and movin good.
Launching!
Joined: May 2011
Posts: 215
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From: Honey Brook, Pa.
Launching off a transbrake is like launching an M6 car! You'll need all the susp. pieces frt and rear. As for tires you will probably have to use ET streets or Hoosiers to get traction on the street! Good Luck and keep us posted!! Larry
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Without the proper prep, no amount of suspension or shock is going to make it hook. It just hits the tire too hard. So it won't be often that u will be able to get any use of your tb on the street. It would need to be a very good prepped concrete area
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Brett Foote silverls1, the track day went pretty good. I got a new best 60' of 1.63, and also found out bad news at the same time...
Found out the converter I have is actually a 3200stall instead of a 3600. Thanks to the nice and honest members of ls1tech.
So I am back to having a power limited launch. The 1.63 sixty was a dead hook off the transbrake launch. Next thing I am doing is sending the converter back to FTI to get it restalled to 4200, no more messing around. 
Found out the converter I have is actually a 3200stall instead of a 3600. Thanks to the nice and honest members of ls1tech.
So I am back to having a power limited launch. The 1.63 sixty was a dead hook off the transbrake launch. Next thing I am doing is sending the converter back to FTI to get it restalled to 4200, no more messing around. 
He may not of been lying, cars will stal differently depending on how much power your throwing at them. IMO a TB is a headache, even at the track if I put mine at wot, it'll just liquefy the tires. Suspension has to be spot on and bias ply tires would give you the best results.
He may not of been lying, cars will stal differently depending on how much power your throwing at them. IMO a TB is a headache, even at the track if I put mine at wot, it'll just liquefy the tires. Suspension has to be spot on and bias ply tires would give you the best results.
But I think transbrakes work awesome when you pair them with a 2-step. I have one brand new in my office just waiting for when I need it. I will probably need it soon as a 4200 instant hit is pretty serious.
Bias tires hooking better than radials is over three years out of date.
The new radials hook better than bias tires. Only stick cars (talking regular door cars) use bias tires because they need some wheel speed at launch. Automatic cars need to dead hook, zero wheel slip, bias tires do not do that as well.
Hmmm I use Hoosier DRs and couldn't dead hook off the brake. I'd assume stall speed would also play a big roll, 5200 hits the tires pretty hard. I know what you mean about the new DRs being a much better tire. Don't get me wrong, I'm not saying its impossible or too hard. Just don't expect out of the box wheel standing performance
Your doing it all wrong. You are supposed to use a 2 step and leave WOT at a lower RPM. 5200 is just flat wrong unless you have a 7000 RPM converter. You don't just leave as high as you can. You really need to go to a real NHRA race, not a bracket race, and talk to some small block F body Super Stock guys in the pits or staging lanes.
My converter flashes to 6000/6200 (depending on the track prep and DA), it's quicker leaving at 3000/3600 (depending on the track prep & DA). You are suppose to flash your converter, not leave as high as you can. That kills torque multliplication Unless your just devoid of torque, it will be faster leaving a little lower. Besides it will hook better.
My converter flashes to 6000/6200 (depending on the track prep and DA), it's quicker leaving at 3000/3600 (depending on the track prep & DA). You are suppose to flash your converter, not leave as high as you can. That kills torque multliplication Unless your just devoid of torque, it will be faster leaving a little lower. Besides it will hook better.
Your doing it all wrong. You are supposed to use a 2 step and leave WOT at a lower RPM. 5200 is just flat wrong unless you have a 7000 RPM converter. You don't just leave as high as you can. You really need to go to a real NHRA race, not a bracket race, and talk to some small block F body Super Stock guys in the pits or staging lanes.
My converter flashes to 6000/6200 (depending on the track prep and DA), it's quicker leaving at 3000/3600 (depending on the track prep & DA). You are suppose to flash your converter, not leave as high as you can. That kills torque multliplication Unless your just devoid of torque, it will be faster leaving a little lower. Besides it will hook better.
My converter flashes to 6000/6200 (depending on the track prep and DA), it's quicker leaving at 3000/3600 (depending on the track prep & DA). You are suppose to flash your converter, not leave as high as you can. That kills torque multliplication Unless your just devoid of torque, it will be faster leaving a little lower. Besides it will hook better.
Your doing it all wrong. You are supposed to use a 2 step and leave WOT at a lower RPM. 5200 is just flat wrong unless you have a 7000 RPM converter. You don't just leave as high as you can. You really need to go to a real NHRA race, not a bracket race, and talk to some small block F body Super Stock guys in the pits or staging lanes.
My converter flashes to 6000/6200 (depending on the track prep and DA), it's quicker leaving at 3000/3600 (depending on the track prep & DA). You are suppose to flash your converter, not leave as high as you can. That kills torque multliplication Unless your just devoid of torque, it will be faster leaving a little lower. Besides it will hook better.
My converter flashes to 6000/6200 (depending on the track prep and DA), it's quicker leaving at 3000/3600 (depending on the track prep & DA). You are suppose to flash your converter, not leave as high as you can. That kills torque multliplication Unless your just devoid of torque, it will be faster leaving a little lower. Besides it will hook better.
Let me ask you this, does leaving at 3000/3600 on the TB over the FB, in the 60ft?
Last edited by SuperSlow02; Aug 29, 2013 at 10:40 AM.