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manual valvebody and conversion kit for b-series auto tranny?

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Old Mar 28, 2008 | 03:21 PM
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integrawow's Avatar
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Default manual valvebody and conversion kit for b-series auto tranny?

First off, Sport Compact Car magazine had a project CRX that had a manual shift automatic tranny. So therefore, it has been done. Also, the principles behind having a manual shifting auto are old news in the hotrodding industry.

Does anyone make these, or where can I find info on how to do this conversion? Level 10 supposedly does this. However, I want to do this.

This is a drag car where a 4500+ stall torque converter will be used. No bullshit here.

I just can't have a tcu controlling the transmission anymore. I want to shift it myself.

Let me know if you know anything, otherwise don't bullshit me. LOL


Modified by integrawow at 4:58 PM 3/28/2008
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Old Mar 28, 2008 | 03:49 PM
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Am I wrong in saying that there are some auto drag Honda's?

I could have sworn that there were such cars.
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Old Mar 28, 2008 | 03:52 PM
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Default Re: (integrawow)

sorry i cant help you but ive got a question...


where did you get the converter? ive just put my custum 3500 stall in the car but it pushes threw the brakes at 2600

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Old Mar 28, 2008 | 04:11 PM
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Default Re: (little white crx)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by little white crx &raquo;</TD></TR><TR><TD CLASS="quote">sorry i cant help you but ive got a question...


where did you get the converter? ive just put my custum 3500 stall in the car but it pushes threw the brakes at 2600 </TD></TR></TABLE>

First off, I don't have one yet. Any performance converter manufacturer, such as PTC, can take your existing converter and make it stall higher. Simple.

To check your stall, it's best to have the tranny in high gear (perhaps while going about 25 mph), and then go wide open throttle. Whatever rpm you instantaneously achieve is your stall. The only problem with this is that your Honda will not allow you to go to wide open throttle and still be in high gear. This would be another advantage of having a manual shift auto. Note that high gear in this case is not considered overdrive. Therefore, in your case, you will have to be at a complete stop with the car in gear, then floor it, but at the same time you need to watch the tach to see what rpm it jumps/flares to before the car starts thrusting forwards really quickly. This later process is known as checking "flash stall." This is typically a simple stall checking process if you have a good eye for a tachometer. It really isn't the most accurate way to check stall, but it gets you close.

I hope this helps.


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Old Mar 28, 2008 | 08:30 PM
  #5  
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Default Re: manual valvebody and conversion kit for b-series auto tranny? (integrawow)

As far as manually shifting a Honda auto, it's very simple, and doesn't require a manual valve body.

There are 2 solenoids inside the trans that control what gear the car is in, 1st - 4th.

Depending on which solenoids are energized, if any at all, determines the gear.

If it's anything like auto DSM's, both solenoids on is 1st, 2nd is Off-On, 3rd is Off-Off, and 4th is On-Off. (I might have 2nd and 4th backwards).

One would simply place the trans in drive, and use combinations of the solenoids to control the gear. Hell, Kiggly used 2 toggle switches to competitively race his Talon
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