vacuum modulated
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Joined: Dec 2001
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From: Plainville,MA
Re: vacuum modulated Yeah ! I'd be interested in knowing the answer to that question myself ! <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />
What are the specific gains also ? <img border="0" title="" alt="[Confused]" src="images/icons/confused.gif" />
<small>[ December 21, 2002, 11:47 AM: Message edited by: Orange Krush ]</small>
What are the specific gains also ? <img border="0" title="" alt="[Confused]" src="images/icons/confused.gif" />
<small>[ December 21, 2002, 11:47 AM: Message edited by: Orange Krush ]</small>
Re: vacuum modulated It uses engine vacuum to control line pressure instead of doing it electronically. I'm not too sure on why it's so much better, but every strong build up converts it to vacuum. Maybe someone can chime in why it's so good.
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From: Chi-Town
Re: vacuum modulated to my understanding the point of the vacuum modulator is to have the line pressure in the tranny directly relate to vacuum in the engine instead of relying on the computer too. From what i have been told the computer cannot keep up the line pressure in time when you floor it and it shifts/downshifts. This burns the clutches a little bit everytime.
With the vacuum modulator it can relate to the vacuum in the engine and react much quicker than a solenoid and keep up the line pressure
edit:
OH, to answer your first question...it is a very simple converions to go vacuum modulated and can be done with at home in the garage. I would reccomend the car to be on the lift or the tranny on the bench. You will need a drill,a drill bit, and some punches. Thanks
<small>[ December 23, 2002, 04:06 PM: Message edited by: JimmyKash ]</small>
With the vacuum modulator it can relate to the vacuum in the engine and react much quicker than a solenoid and keep up the line pressure
edit:
OH, to answer your first question...it is a very simple converions to go vacuum modulated and can be done with at home in the garage. I would reccomend the car to be on the lift or the tranny on the bench. You will need a drill,a drill bit, and some punches. Thanks
<small>[ December 23, 2002, 04:06 PM: Message edited by: JimmyKash ]</small>
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Joined: Dec 2001
Posts: 2,298
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From: new england
Re: vacuum modulated Sounds like the only way to fly with A4!
This should be perfect way to keep line pressure hi under heavy engine loads. <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />
This should be perfect way to keep line pressure hi under heavy engine loads. <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />
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Joined: Nov 2001
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From: Las Cruces, NM
Re: vacuum modulated The computer does pulling timing during a shift, but vacuum modulation will not change that. The pcm has to be edit to delte Torque Management. Vacuum modulation only affects line pressure, not timing. I am not sure were to get the parts for vacuum modulation, I had my transmission built by FLP.
Gary
Gary
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From: Chi-Town
Re: vacuum modulated </font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by red ws6 99:
<strong> The computer does pulling timing during a shift, but vacuum modulation will not change that. The pcm has to be edit to delte Torque Management. Vacuum modulation only affects line pressure, not timing. I am not sure were to get the parts for vacuum modulation, I had my transmission built by FLP.
Gary </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">^^^ is all correct AFAIK
I honestly dont think the commone person is allowed to buy the kit from trans-go like the shift kits. Dont ask me why but my own tranny shop i used to work at wouldn't even sell one to my friend until they found out he was a dealer mechanic and knew what he was doing LOL
I would call up your local performance tranny shop and ask them about the kit and see if they will sell it to you
<strong> The computer does pulling timing during a shift, but vacuum modulation will not change that. The pcm has to be edit to delte Torque Management. Vacuum modulation only affects line pressure, not timing. I am not sure were to get the parts for vacuum modulation, I had my transmission built by FLP.
Gary </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">^^^ is all correct AFAIK
I honestly dont think the commone person is allowed to buy the kit from trans-go like the shift kits. Dont ask me why but my own tranny shop i used to work at wouldn't even sell one to my friend until they found out he was a dealer mechanic and knew what he was doing LOL
I would call up your local performance tranny shop and ask them about the kit and see if they will sell it to you
Launching!
Joined: Nov 2001
Posts: 268
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From: Monterey Park, CA
Re: vacuum modulated I have a brand new vacuum modulator from Transgo.
46-MOD $50.00 shipped if you want it.
Also the
VBP-VAC $15.00 (by pass for forced induction only)
Was going to use it for my Incon TT, but didn't use it after I sold the TT.
Leo
46-MOD $50.00 shipped if you want it.
Also the
VBP-VAC $15.00 (by pass for forced induction only)
Was going to use it for my Incon TT, but didn't use it after I sold the TT.
Leo
Re: vacuum modulated Do you have the instructions with it also? Can you scan those and email them? I really want this, but I need to see if I can do it myself.
Or if someone knows of any instructions online for this kit, I'd appreciate a link. <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
Or if someone knows of any instructions online for this kit, I'd appreciate a link. <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
Launching!
Joined: Nov 2001
Posts: 268
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From: Monterey Park, CA
Re: vacuum modulated </font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by Dom:
<strong> Do you have the instructions with it also? Can you scan those and email them? I really want this, but I need to see if I can do it myself.
Or if someone knows of any instructions online for this kit, I'd appreciate a link. <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" /> </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Yes all the intructions are there. There are 4 pages of instructions with diagrams and pictures. If you can install a trango shift kit, then you can do this.
Leo
<strong> Do you have the instructions with it also? Can you scan those and email them? I really want this, but I need to see if I can do it myself.
Or if someone knows of any instructions online for this kit, I'd appreciate a link. <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" /> </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Yes all the intructions are there. There are 4 pages of instructions with diagrams and pictures. If you can install a trango shift kit, then you can do this.
Leo
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From: Arlington, TX Congestion City
Re: vacuum modulated I had my tranny converted with rebuild. Noticeable difference to say the least. I do not know any specifics about it though. You will need to delete the TM from the PCM though.
