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Rotor-Matic 6.07 et @ 110 MPH 1/8 mile

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Old Apr 19, 2011 | 11:08 AM
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Rotor-Matic 6.07 et @ 110 MPH 1/8 mile



This 1982 RX7 with 13B turbo By Lokito Killer engine Builder & 2 Speed Automatic Transmission from www.nctransmission.com w/ 8'' Torque converter....... computer EMS System by www.davilaperformance.com & Turbo By Word Wide Racing Presicion Turbo PT76........ Stock Suspencion with 26 x 8 ...... In the only First 2 Full Past On Arecibo Motorsports we Run 6.25 @ 95 mph & 6.07 @ 110 MPH at 1/8 Miles with 1.39 60 Foot


Video::::;
http://puertoricodragracing.com/forum/blog.php/?p=2877
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Old Apr 19, 2011 | 12:24 PM
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looking real good...
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Old Apr 19, 2011 | 01:46 PM
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I was impressed it was able to get off the line and cut a light. What size converter rpm wise? 6-7k?

Congrats!
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Old Apr 19, 2011 | 01:50 PM
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7500... Would'nt make for much fun street driving but the bomb for the track!


Ahhh.. Northern Caribean Transmission. I spoke to the awhile back on a c4 set up.
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Old Apr 19, 2011 | 05:15 PM
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Very nice my best with an auto C4 trans has been a 1.24 60 foot 5.91 @ 112, I have a low 2.96 first and a 1.46 second gear
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Old Apr 19, 2011 | 06:19 PM
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Originally Posted by mazda rx2 rotary
Very nice my best with an auto C4 trans has been a 1.24 60 foot 5.91 @ 112, I have a low 2.96 first and a 1.46 second gear
IS yours a NC tranny build? If not were did you get the converter? Are you able to come up on it quick enough to cut good lights on a pro tree?
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Old Apr 19, 2011 | 07:10 PM
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Originally Posted by sk8world
IS yours a NC tranny build? If not were did you get the converter? Are you able to come up on it quick enough to cut good lights on a pro tree?
This is My Life Torque converter and Trannys....24 years of experience......Its Very importance to make a Good combination...... Not all the time Bigger its better.....Good Turbo,Very important the computer and Programer and Good Brakes.......I Used on the Rear 4 calipper with 3 step on pre-stage just pedal brake 4,800rpm w/ 12 psi when on Stage on 2 step Trans Brake 7,500 rpm on lunch with full boost 31 psi (butt the converter make 7,800 rpm) No NOS.......

We're expecting run 5.8 high with some front and rear end adjusment wish us luck!!!!!
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Old Apr 19, 2011 | 07:33 PM
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Looking good panita, that is a kickass auto trans. Suerte.
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Old Apr 19, 2011 | 07:57 PM
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Originally Posted by jose roman
This is My Life Torque converter and Trannys....24 years of experience......Its Very importance to make a Good combination...... Not all the time Bigger its better.....Good Turbo,Very important the computer and Programer and Good Brakes.......I Used on the Rear 4 calipper with 3 step on pre-stage just pedal brake 4,800rpm w/ 12 psi when on Stage on 2 step Trans Brake 7,500 rpm on lunch with full boost 31 psi (butt the converter make 7,800 rpm) No NOS.......

We're expecting run 5.8 high with some front and rear end adjusment wish us luck!!!!!
We have spoken on the phone a couple times. I was very interested in going this route before but was woried when I saw so many videos of guys sitting at the light with the race already over and they were still waiting on the stall to come up. Doubt it was your set up.

Maybe we will talk for this combo on my rx3 build.
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Old Apr 19, 2011 | 10:58 PM
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Nice run, congrats. I think the auto trans. works great for being consistant for a bracket racing car,but for a heads up pro tree, I don't think it would be a good choice.
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Old Apr 20, 2011 | 07:17 AM
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Originally Posted by ultimatejay
Nice run, congrats. I think the auto trans. works great for being consistant for a bracket racing car,but for a heads up pro tree, I don't think it would be a good choice.
Remember, depend the combination do you make ...1st ....if you have good Turbo Not Big, Not Small you dont need NOS ....2nd.... You need a aficient computer with Timing advance when you be in Vacumm to make boost at the pre-stage.....3er....Also you need excelent Brakes to used a 3 step.....this is the 3 basic step to make you easy your life on stage....

On This Run 6.07 et my Reaccion Time its .541 .....what do you think???

People remember the thin to a Make a Good Combination....Not all the time Bigger its better.....
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Old Apr 20, 2011 | 08:13 AM
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respect to the concept of the car...
seems to run a low 9 on the quartermile...
@ jose roman: can you describe what you mean with 3-step? I only know what a 2-step is...
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Old Apr 20, 2011 | 09:35 AM
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Originally Posted by scirotor
respect to the concept of the car...
seems to run a low 9 on the quartermile...
@ jose roman: can you describe what you mean with 3-step? I only know what a 2-step is...
2 step its when your goin out at the launch 7,200 rpm This lock like a Red limit....boom,boom,boom....and the 3 step its when your on Pre-stage the same lock like red limit but at 4,800 rpm this working with a push botom or micro switch on pedal brake........you don't need to look the thachometer on the staging area just hear the sound of ....the steps.....and consentrate on the green light .500

MSD have this box named 3 step

Last edited by jose roman; Apr 20, 2011 at 09:37 AM. Reason: incomplete
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Old Apr 20, 2011 | 09:45 AM
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I think you have found, made a great working combo one that proves less is more.
How hot does that tranny get after a pass? Could you hot lap it or does it have to sit a bit?
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Old Apr 20, 2011 | 10:36 AM
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Originally Posted by sk8world
I think you have found, made a great working combo one that proves less is more.
How hot does that tranny get after a pass? Could you hot lap it or does it have to sit a bit?
I don't have Trans. temp Gauge ...but i wait about 25 to 30 Minutes to Run .....
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Old Apr 20, 2011 | 10:54 AM
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straight from msd, we use these modules too, good stuff .

The MSD Module Selectors allow you to choose two or three dif*ferent rpm limits that can be activated at different times. With this ability, the possibilities are endless.As an example, we’ll use a drag car with a Three Step Module Selec*tor plugged into the rpm socket of a 7AL-2 Ignition. The different rpm modules are activated when 12 volts are applied to a corresponding wire. By connecting one wire to the line-lock circuit, one module will be activated during the burnout. This helps keep tire temperatures consistent. When the line-lock button is released, the limit turns off. When you’re on the starting line, you can activate the second limit through the clutch or trans switch. This provides a steady and consis*tent rpm for firm holeshots every time. When no modules are selected, the remaining high limit is active to protect the engine in the event of driveline failure. The Two Step works the same, but only with two different limits.The Module Selectors can also be used with an MSD Timing Control. By plugging the Selector into a retard module socket, you can acti*vate different retard amounts at select times. This is a great feature for engines being upgraded to a multi-stage nitrous system. With the addition of an RPM Activated Switch, you can use the Two Step to activate a shift light at different rpm.The Module Selectors must be used with an MSD Soft Touch Rev Control or a Timing Controller with a high-speed retard module. No rpm or retard modules are supplied.
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Old Apr 20, 2011 | 11:20 AM
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Excelent Info...
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Old Apr 20, 2011 | 01:18 PM
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Why do you prefer the power glide over the c4? What is the cost for a bolt on package. Tranny, brake, converter, etc...
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Old Apr 20, 2011 | 02:15 PM
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Originally Posted by sk8world
Why do you prefer the power glide over the c4? What is the cost for a bolt on package. Tranny, brake, converter, etc...
Depend the aplication,Horse power, tires size,Car wheight and The Goal of your project......The c4 its 3 speed strong But not that kind of strong than the P.glide.....This it My First 13b Car with Powerglide and its work owesome on his debut.....Remenber we have small Tires 26 x 8 & we need less ratio for Not spin the tires on the Track.......

We're working on 4 speed transmission and starting testing on end of this year ...For this cars with Big Tires and 800 hp.....also for this Dayly street car with to much HP and some time like To run on the Track......
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Old Apr 20, 2011 | 09:50 PM
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Originally Posted by beefcake
straight from msd, we use these modules too, good stuff .

The MSD Module Selectors allow you to choose two or three dif*ferent rpm limits that can be activated at different times. With this ability, the possibilities are endless.As an example, we’ll use a drag car with a Three Step Module Selec*tor plugged into the rpm socket of a 7AL-2 Ignition. The different rpm modules are activated when 12 volts are applied to a corresponding wire. By connecting one wire to the line-lock circuit, one module will be activated during the burnout. This helps keep tire temperatures consistent. When the line-lock button is released, the limit turns off. When you’re on the starting line, you can activate the second limit through the clutch or trans switch. This provides a steady and consis*tent rpm for firm holeshots every time. When no modules are selected, the remaining high limit is active to protect the engine in the event of driveline failure. The Two Step works the same, but only with two different limits.The Module Selectors can also be used with an MSD Timing Control. By plugging the Selector into a retard module socket, you can acti*vate different retard amounts at select times. This is a great feature for engines being upgraded to a multi-stage nitrous system. With the addition of an RPM Activated Switch, you can use the Two Step to activate a shift light at different rpm.The Module Selectors must be used with an MSD Soft Touch Rev Control or a Timing Controller with a high-speed retard module. No rpm or retard modules are supplied.

It can also be done with the ECU , like Microtech,haltech etc thru an input hook it to the transbrake or to the linelock at a certaing rpm retard timing to help build up boost for the launch. this is the way I'm thinking of setting up mine. Good Info on your part
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Old Apr 20, 2011 | 10:31 PM
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Originally Posted by 13BT_Starlet
It can also be done with the ECU , like Microtech,haltech etc thru an input hook it to the transbrake or to the linelock at a certaing rpm retard timing to help build up boost for the launch. this is the way I'm thinking of setting up mine. Good Info on your part
Remenber if you have automatic transmission You Need to advance the timing to make boost....when you make boost you retard the timing...
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Old Apr 21, 2011 | 12:24 AM
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Can you give us a cost estimate for a setup like this so we can compare to a clutchless setup? Thanks
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Old Apr 21, 2011 | 06:52 AM
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Originally Posted by ultimatejay
Can you give us a cost estimate for a setup like this so we can compare to a clutchless setup? Thanks
C4 Combo $3,500.00
Trannny
Bellhousing
Converter
shifter
Yoke
Oil Cooller
Filler Tube
Only You need OEM Flexplate, OEM Starter 87 to 91

Powerglide Combo $4,500.00
Tranny
w/SFi Bellhousing
Adapter 13b To Chevy Tranny
Converter
SFI Flexplate
Adapter To Flexplate
Starter (Tilton)
Shifter
Yoke
Oil cooler
Filler Tube

this 2 set Just only Bolt in ...
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Old Apr 21, 2011 | 09:36 AM
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Wouldn't you also need to rebalance the rotating assemble?
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Old Apr 21, 2011 | 09:38 AM
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shouldnt have too, as the same counterweight would be used, just put back onto the flex plate it came from.

On the three step , we only use them on cars without a ecu
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