Custom replacement solenoid system
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Joined: Apr 2002
Posts: 1,336
Likes: 2
From: Dayton, OH
Update
First of all, I appologize to everyone for the serious delay in information pertaining to this project. I know that many of you are following this project closely. If you've noticed, I haven't had the chance to log in to RX7club in quite some time (the last time I posted anything was probably 2-3 months ago). I've been moving houses and changing jobs which has caused me to shift focus to other things recently. With that said, I'm trying to get back into the swing of things here at the boards.
Here's the updated status report:
I have been running this system on my 93 now for about 3 months. Unfortunately in April, I spun a front main bearing, causing me to rebuild the engine. Obviously this failure had nothing to do with the solenoid system, but it did hinder my testing abilities, slowing the project slightly. It took me about a month to get the car up and running again. After that time, I resumed testing.
To this date, the system is working flawlessly on my car. I also have 3 other "prototype" systems being used by various other RX-7s owners, and these systems are also functioning just as designed.
I am currently working on getting approval from the board owner/admins to begin distributing custom solenoid systems to club members.
Comments, suggestions, questions?
-Rob
Here's the updated status report:
I have been running this system on my 93 now for about 3 months. Unfortunately in April, I spun a front main bearing, causing me to rebuild the engine. Obviously this failure had nothing to do with the solenoid system, but it did hinder my testing abilities, slowing the project slightly. It took me about a month to get the car up and running again. After that time, I resumed testing.
To this date, the system is working flawlessly on my car. I also have 3 other "prototype" systems being used by various other RX-7s owners, and these systems are also functioning just as designed.
I am currently working on getting approval from the board owner/admins to begin distributing custom solenoid systems to club members.
Comments, suggestions, questions?
-Rob
Joined: May 2005
Posts: 3,243
Likes: 42
From: Kennewick, Washington
I guess the thing people are looking to know would be if the boost pattern is correct, and if the response is identical to stock, or improved.
Correct me if i am wrong as I do not own an FD... yet.
Correct me if i am wrong as I do not own an FD... yet.
Originally Posted by saxyman990
I am currently working on getting approval from the board owner/admins to begin distributing custom solenoid systems to club members.
-Rob
-Rob
Awesome! Glad to hear everything worked out.
BOOOYAHHHH!
Joined: Feb 2004
Posts: 1,578
Likes: 1
From: Virginia Beach
Originally Posted by saxyman990
First of all, I appologize to everyone for the serious delay in information pertaining to this project. I know that many of you are following this project closely. If you've noticed, I haven't had the chance to log in to RX7club in quite some time (the last time I posted anything was probably 2-3 months ago). I've been moving houses and changing jobs which has caused me to shift focus to other things recently. With that said, I'm trying to get back into the swing of things here at the boards.
Here's the updated status report:
I have been running this system on my 93 now for about 3 months. Unfortunately in April, I spun a front main bearing, causing me to rebuild the engine. Obviously this failure had nothing to do with the solenoid system, but it did hinder my testing abilities, slowing the project slightly. It took me about a month to get the car up and running again. After that time, I resumed testing.
To this date, the system is working flawlessly on my car. I also have 3 other "prototype" systems being used by various other RX-7s owners, and these systems are also functioning just as designed.
I am currently working on getting approval from the board owner/admins to begin distributing custom solenoid systems to club members.
Comments, suggestions, questions?
-Rob
Here's the updated status report:
I have been running this system on my 93 now for about 3 months. Unfortunately in April, I spun a front main bearing, causing me to rebuild the engine. Obviously this failure had nothing to do with the solenoid system, but it did hinder my testing abilities, slowing the project slightly. It took me about a month to get the car up and running again. After that time, I resumed testing.
To this date, the system is working flawlessly on my car. I also have 3 other "prototype" systems being used by various other RX-7s owners, and these systems are also functioning just as designed.
I am currently working on getting approval from the board owner/admins to begin distributing custom solenoid systems to club members.
Comments, suggestions, questions?
-Rob
I am simply amazed by this project. if you start to distribute this system i will be first in like ready to buy a unit from you. Dead serious. Im very excited about this seeing how i have nothing but trouble with my seq system. /me adds thread to favorite's.
Great to hear that the system is working, and thanks for the reply to my PM. I will be looking into doing this also, considering I am in the process of rebuilding.
How complicated is it getting the right wiring to the right solenoids. Was there much extending or splicing, or did you just make the new wires from the solenoids to reach the stock location of the origanal plugs (stock solenoid location).
How complicated is it getting the right wiring to the right solenoids. Was there much extending or splicing, or did you just make the new wires from the solenoids to reach the stock location of the origanal plugs (stock solenoid location).
Last edited by oorx7; Jun 25, 2005 at 01:54 AM.
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From: Dayton, OH
Thanks for all the support guys. Let me answer some of these questions that popped up:
The boost pattern with these is exactly what it's supposed to be (or whatever you set it at if you have a boost controller). Technically, these solenoids have a quicker response time than the stockers, but it's really nothing that you'd notice if your stockers are functioning properly (we're talking miliseconds). Obviously, if your stockers are NOT functioning properly, you'll notice a huge difference.
I guess the thing people are looking to know would be if the boost pattern is correct, and if the response is identical to stock, or improved.
Correct me if i am wrong as I do not own an FD... yet.
Correct me if i am wrong as I do not own an FD... yet.
Thread Starter
Place your ad here...
Joined: Apr 2002
Posts: 1,336
Likes: 2
From: Dayton, OH
How complicated is it getting the right wiring to the right solenoids. Was there much extending or splicing, or did you just make the new wires from the solenoids to reach the stock location of the origanal plugs (stock solenoid location).
Thread Starter
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Joined: Apr 2002
Posts: 1,336
Likes: 2
From: Dayton, OH
Rob. can you post the part number and where you found those soleniods. I'd really like to try this.
This looks badass! I love it when someone sees a common problem with something and then goes and redesigns it to the way it should have been done in the first place. Good job man!
-John
-John
resU deretsigeR
Joined: Dec 2004
Posts: 675
Likes: 0
From: TN
Originally Posted by Trevor
I'm defnitely interested. Feel free to PM me when you're ready to go to market with them.
ditto!
more specifically the simplified system.
I was planning on doing this anyways as my emissions solenoids are just taking up space.
Thread Starter
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Joined: Apr 2002
Posts: 1,336
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From: Dayton, OH
Originally Posted by SomeGuy_sg
Mm...pics ? hehe 
i know you guys were thinking it ... let me be the bad guy to ask for them
i know you guys were thinking it ... let me be the bad guy to ask for them
rx7philrx7
Joined: Jun 2005
Posts: 104
Likes: 0
From: derby england
Originally Posted by saxyman990
First, some background info: As many of you know, I recently completed my rebuild/upgrade (see: This Thread ). The primary function of the car is street/autocross use (with the occasional HPDE). As such, I switched to a simplified sequential 99spec setup (I've driven a few cars with a properly set up non-seq system, and I absolutely hated it. Also had no interest in single turbo). The simp-seq is nice, but still has a few annoyances. First, it still uses the stock solenoids (I had 2 fail since I finished the rebuild, and plenty before that). Second, since I removed the rack for the solenoids to attach to, the leftover hoses and valves created a complete mess under the UIM:
So I set out to learn more about solenoids and vacuum control systems so I could build an aftermarket system. Some may argue that there really is no advantage to this, but I figured that I might as well try it out and see what happens.
Basically, what I ended up building is a completely custom 5-solenoid setup (I'm running simplified sequential, so I only have the following solenoids: Purge Control, CCA, CRV, TCA (pressure), TCA (vacuum). These solenoids can be bolted together in almost any combination imaginable.
Solenoid specs:
Viton seals
Stainless steel internals
Molded coil (resistant to water, and high temperatures)
Custom aluminum manifolds
100psi rating
Use custom #10-32 brass nipples
Better flow and reaction time than stockers
Rebuildable
Cheaper than stockers (approximately $40ea)
Here are a few pics of the setup (note the stock solenoid in the picture for size reference).
So I set out to learn more about solenoids and vacuum control systems so I could build an aftermarket system. Some may argue that there really is no advantage to this, but I figured that I might as well try it out and see what happens.
Basically, what I ended up building is a completely custom 5-solenoid setup (I'm running simplified sequential, so I only have the following solenoids: Purge Control, CCA, CRV, TCA (pressure), TCA (vacuum). These solenoids can be bolted together in almost any combination imaginable.
Solenoid specs:
Viton seals
Stainless steel internals
Molded coil (resistant to water, and high temperatures)
Custom aluminum manifolds
100psi rating
Use custom #10-32 brass nipples
Better flow and reaction time than stockers
Rebuildable
Cheaper than stockers (approximately $40ea)
Here are a few pics of the setup (note the stock solenoid in the picture for size reference).
can this system be fitted to a 93 twin turbo as i am having trouble with the pressure chamber having no pressure, and also how much is it and how do i get buy it from you, cheers phil.