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looking for v-mount for twins

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Old May 24, 2008 | 12:58 PM
  #26  
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Originally Posted by Speed of light
The basic kit is a bolt-in using standard hand tools and a drill. Beyond that, it can be customized as one wishes. There is another one of these v-mounts out there that is using an ASP large I/C and a different intake system.

That would be mine

Oddly enough, it was easier to install his kit from radiator to IC than it was to try and get that ASP Large to fit with a Koyo rad.
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Old May 28, 2008 | 11:58 AM
  #27  
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I've been looking for a V-Mount for stock twins and which retains A/C. So far, there's the HKS, Knightsports and RX-7 Store kits.

I did a search and there are posts from last year or even earlier that mention FDNewbie Imports was designing a V-Mount. Anyone know if they scrapped that idea?
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Old Jun 2, 2008 | 05:40 PM
  #28  
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I just called HKS USA and the representative I talked to stated that they have no idea whether the optional A/C relocation kit for the HKS V-Mount will work on a US LHD car.

I'm going to call HKS Japan to get an answer.
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Old Jun 2, 2008 | 11:09 PM
  #29  
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Ok, I got in contact with HKS Japan. It looks like the A/C relocation kit that is optional with their V-Mount IC Kit only works with R134a A/C units (just like their FMIC). They basically stated that any car made before July 1993 must delete the A/C to install the V-Mount. Supposedly some 94s have R12 A/C.

I guess HKS is out of the picture. Someone (RX7LINK I believe) did a nice write up of a Knightsports V-Mount install with A/C relocation. However, the car was a Chaste White FD, so most likely it is a 94-95 with R134a.

I'm beginning to become very frustrated with finding a VMIC system that works with A/C. I'm thinking about either having a shop custom fab something for me or getting the HKS kit and doing a complete R-134a A/C conversion (not just gas retrofit).

Has anyone installed a R-134a system from a 94+ FD into a 93 FD that had R12 (condenser, dryer, compressor, etc.)?

Last edited by magicjc; Jun 2, 2008 at 11:30 PM.
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Old Jun 3, 2008 | 12:34 AM
  #30  
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I called Knightsports in Japan and they stated that their VMIC kit is not A/C specific. Unfortunately, they didn't unequivocally state that the R12 A/C will work, but they said it probably will work with 93 US RHD FDs.
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Old Jun 3, 2008 | 04:37 AM
  #31  
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Speed of light,

Where can I get more info on that v-mount setup?

Thanks

Jon
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Old Jun 3, 2008 | 07:31 AM
  #32  
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Originally Posted by magicjc
I called Knightsports in Japan and they stated that their VMIC kit is not A/C specific. Unfortunately, they didn't unequivocally state that the R12 A/C will work, but they said it probably will work with 93 US RHD FDs.
What do you mean 93 US RHD FD's? Was that a typo?
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Old Jun 3, 2008 | 09:50 AM
  #33  
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I have a '93 that's been converted to use r134. I'm not certain what difference the refrigerant makes (i know r12 works better, and is harder to find) to the setup of a v-mount.
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Old Jun 3, 2008 | 09:54 AM
  #34  
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If anyone is interested in a kit like "Speed of Light" I can replicate that for cheap.
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Old Jun 3, 2008 | 11:05 AM
  #35  
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Originally Posted by 7_rocket
What do you mean 93 US RHD FD's? Was that a typo?
Yah, that was a typo. I meant LHD.
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Old Jun 3, 2008 | 11:26 AM
  #36  
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Originally Posted by NissanConvert
I have a '93 that's been converted to use r134. I'm not certain what difference the refrigerant makes (i know r12 works better, and is harder to find) to the setup of a v-mount.
Converting the refrigerant is not what mean by converting to R134a. Later model FDs have a completely different R134a A/C system that has different A/C piping than the R12 FDs. That's the issue with modifying early model FD A/C systems to work with a VMIC.
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Old Jun 3, 2008 | 03:53 PM
  #37  
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Defined Autoworks, look https://www.rx7club.com/defined-autoworks-176/v-mount-fd-electromotive-install-customer-758043/
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Old Jun 3, 2008 | 04:50 PM
  #38  
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Originally Posted by Socamoto
Speed of light,

Where can I get more info on that v-mount setup?

Thanks

Jon
Well that would be me. You can also talk to gracer7-rx7 for his perspective.

I personally designed it and have built two of them, so far....

They are on '93's; a base and an R1, both using the oem R12 a/c systems.
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Old Jun 3, 2008 | 05:59 PM
  #39  
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Originally Posted by Jason
If anyone is interested in a kit like "Speed of Light" I can replicate that for cheap.
Jason - There is much more to his mounting setup and associated brackets than you can see from the few pics he posted. You'd probably be better off just offering to resell his mounting kit. It would certainly save you time (and therefore money).



To the rest of you as an FYI - Speed of Light is a professional engineer and engineered the mounting setup to properly position everything and be resilient to light impact. You might be able to fab something similar but it won't be as well engineered or tested.

We've been testing our setup for 9+ months now - including some serious track testing. That is more than anyone else on this forum can say about their setups.

If there is any interest and people want to hear about it, I'd be happy to start another thread about this setup. There has been quite a bit of R&D and testing to get this setup right.
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Old Jun 4, 2008 | 01:24 AM
  #40  
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you don't need to be an engineer to mount a radiator/IC.
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Old Jun 4, 2008 | 07:23 AM
  #41  
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Originally Posted by gracer7-rx7
Jason - There is much more to his mounting setup and associated brackets than you can see from the few pics he posted. You'd probably be better off just offering to resell his mounting kit. It would certainly save you time (and therefore money).



To the rest of you as an FYI - Speed of Light is a professional engineer and engineered the mounting setup to properly position everything and be resilient to light impact. You might be able to fab something similar but it won't be as well engineered or tested.

We've been testing our setup for 9+ months now - including some serious track testing. That is more than anyone else on this forum can say about their setups.

If there is any interest and people want to hear about it, I'd be happy to start another thread about this setup. There has been quite a bit of R&D and testing to get this setup right.

Seriously, that is a bar and plate intercooler that anyone can get for $200 and weld a bracket to the front of it. I did notice he got fancy with the mounting brackets on the radiator but there is no need to do that. Our brackets are welded to the radiator and use the existing holes on the car to mount it.
Im sure his setup works well but there isnt any rocket science involved in doing a Vmount.
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Old Jun 4, 2008 | 08:12 AM
  #42  
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I would be interested in one Jason not just right now, just got a rebuild. I just wanted a smaller model of your other vmount so i can fit a battery. I like the one F150rx7 made since he has a real nice duct for it. So if you made one with that intercooler core and piping, duct like F150rx7's, and your radiator setup you got a good setup. Also a low price would be nice. Here is F150rx7's setup he said he did not have any problems with flow to the radiator with that duct. And since i plan to run some kind of injection i dont need the biggest intercooler, just something to keep things cool untill i need the injection.

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Old Jun 4, 2008 | 08:16 AM
  #43  
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wth?? is that really the stock location for the battery on the FD?? that's a pretty crazy looking vmount but how much hp is it good fore?
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Old Jun 4, 2008 | 08:19 AM
  #44  
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No that is not the stock location He put it there to keep a big battery becasue he could i guess. I would just use a smaller battery. Hp dunno proabably like 350rwhp?? But with Alky you can go higher.
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Old Jun 4, 2008 | 11:37 AM
  #45  
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Originally Posted by Jason
Seriously, that is a bar and plate intercooler that anyone can get for $200 and weld a bracket to the front of it. I did notice he got fancy with the mounting brackets on the radiator but there is no need to do that. Our brackets are welded to the radiator and use the existing holes on the car to mount it.
Im sure his setup works well but there isnt any rocket science involved in doing a Vmount.
But there doesn't seem to be any kits that include a relocation kit for the A/C. That's what the original poster wanted. Speed of Light has created a R12 A/C relocation kit and that is the key different between his kit and all the other V-Mounts, except the Knightsports kit.

Although it's not rocket science, individuals like me don't have the time, tools or knowledge to come up with my own relocation solution for the A/C.
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Old Jun 23, 2008 | 03:34 PM
  #46  
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Ok... so i've been trying to get a V-mount intercooler too.... But it costs WAY too much!!!!... So i was thinking. I can get a universal intercooler from Spearco or Drift Motion and then get a piping kit and fit it on. Is that a good plan? will it be just as good as a HKS VMIC??

And what about those ebay intercoolers? Are those any good? Do they actually provide cooling? or are they complete total crap?
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Old Jun 23, 2008 | 04:59 PM
  #47  
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Originally Posted by magicjc
But there doesn't seem to be any kits that include a relocation kit for the A/C. That's what the original poster wanted. Speed of Light has created a R12 A/C relocation kit and that is the key different between his kit and all the other V-Mounts, except the Knightsports kit.

Although it's not rocket science, individuals like me don't have the time, tools or knowledge to come up with my own relocation solution for the A/C.

Exactly. Many people oversimplify the whole mounting scenario of all the items necessary to create a full featured Vmount setup - radiator, A/C and power steering.

No kidding its easy to create 2 small brackets to mount the IC. I don't think anyone disputes that and that is not the aspect that makes a Vmount setup (rad, A/C, IC, PS loop) difficult. What does make it difficult from a packaging and resiliency perspective is the radiator mounting and provision for other stock accessories such as the aforementioned PS, A/C, oil cooler lines etc. The setup Speed of light used on his car also incorporates a nice ducting, air directing feature for the IC and reused an IC that can be sourced easily and at a fair price.

You don't have to be an engineer to create brackets but it certainly helps when you go beyond copying other people's work to engineering a proper mounting subframe like Speed of light did. I'm not saying that to beat up on anyone here but there is a big difference there. Mine has already taken 2 hits and I was able to drive away w/o a broken radiator or any other damage.
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