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Old 03-21-2015, 12:26 PM   #141
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Trunk space? Build a custom tank to put behind the passenger seat. Win win situation. Custom capacity and weight in a good spot. (unless your passenger has legs).
I like passengers with legs. Nice long ones. Preferably in a sun dress! haha.
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Old 03-21-2015, 09:44 PM   #142
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You must have some weird HPDE instructors down there in Texas.
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Old 03-22-2015, 12:37 AM   #143
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how do you get a track to yourself for 2 hours every week? im lucky to get 2 hour in a month or 2.

awesome vids rick.
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Old 03-22-2015, 11:15 AM   #144
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Membership has its privileges.
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Old 06-21-2015, 01:31 PM   #145
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So, I'm finally working on the Silver car again. Intended use will be a comfy DD with occasional track time in cooler weather (after all, I've got the Red car for year round track abuse).

If you'll recall (see https://www.miataturbo.net/build-thr...6/#post1113926), I lost a piston last time I was on track. In the meantime, rebuilt the engine with forged rods but otherwise stock specs. Added an MLS head gasket and ARP studs. Engine is back in the car and now I'm making everything fit and rerouting the charge tubes for the FAB9 intercooler. Here's a picture of that piston . . . busted ringlands:



I'm applying lessons learned from the Red car, and am adding a big Tru-Cool oil cooler from Racer Parts Wholesale. These are inexpensive and effective. Built brackets to mount in the AC fan spot. These are 1/8" x 3" aluminum with rubber wellnuts to mount the oil cooler and provide vibration isolation:





Since I'm running AC, I still need an AC fan. I bought a JEGS-brand heavy duty slim fan (JEGS Performance Products 52160, JEGS Low Profile Heavy Duty Electric Fans | JEGS Performance Products) and mounted it to the condenser in pusher configuration. On my wife's MB, having a pusher fan mounted directly to the condenser was effective for AC cooling when sitting. Previously, the Miata provided almost no AC cooling unless I had forward movement. This fan is too powerful to zip mount to the core (as if I would ever do something like that anyway), so I used aluminum strap to mount to the condenser. I also replaced the 1990 condenser with the 1995 condenser from the Red car to work better with R-134A. Mounting details:







When installing on the car, I had to trim just a bit off the hood latch for clearance. Otherwise, the fit was good.





Complete stack. Fit was tight, but there's clearance for everything. Now that everything is in place, I can work on ducting and charge tubing. I'm pretty nervouse about cooling, honestly. It was never an issue when I ran without an intercooler, but the FAB9 intercooler is quite a brick in the nose opening.



I plan to go through the inner fender with 2" piping, so I pulled off that side. Gosh, I like TX cars. This is a 25 year old example with more than 200K miles. Looks brand new. I really feel for you guys in rust-prone areas.



More to come . . . .
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Old 06-21-2015, 02:20 PM   #146
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Awesome work, Rick! I am considering buying a turbo Miata close to me, so I can have the best of both worlds, too. (01 N/A track car and turbo street car)
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Old 06-21-2015, 06:48 PM   #147
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are you using the full racer parts wholesale kit? looking at their site it looks like you're using the 48 row kit that has the thermostat. What thread pitch do you have to order for it? love the updates to either of your cars as always.
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Old 06-21-2015, 07:44 PM   #148
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are you using the full racer parts wholesale kit? looking at their site it looks like you're using the 48 row kit that has the thermostat. What thread pitch do you have to order for it? love the updates to either of your cars as always.
I wish. The kits on RPW are a great value, but I discovered them too late. I had previously bought fitting/hose/etc. on a piece-parts basis over at Jegs. I bought the "Canton Racing" brand oil cooler and what arrived was in a Tru-Cool box. Grrrr . . . . Could have saved coin over at RPW.

The Miata oil filter thread is M20x1.5. And, yes, the 48 row fits the space for the AC fan almost perfectly and gives a bunch of cooling. On my Red car, I typically see 245F on a 100F day pushing hard (monitored at the oil filter location -- so ~220F monitored in the oil pan).

Last edited by hornetball; 06-21-2015 at 11:23 PM.
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Old 06-22-2015, 01:49 PM   #149
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On that topic thank you again Rick, for showing me your oil cooler mounting solution. I still can't come up with something that is more effective/convenient/non-fab-heavy solution.

Also, your metal work is way good man. That looks like an off-the-shelf part.
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Old 06-22-2015, 02:09 PM   #150
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Also, your metal work is way good man. That looks like an off-the-shelf part.
All it takes is a cheap drill press, unibits, bench vice, file, sweat and Bud Light Lime.
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Old 06-22-2015, 02:34 PM   #151
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Unibits are the best.
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Old 06-22-2015, 03:12 PM   #152
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"rubber well nuts" Goddammit! I've been trying to figure out what to call these things for years. Thank you! now that I know what to look for these should be much easier to find.

Beautiful work as always
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Old 06-28-2015, 02:58 AM   #153
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Hey Rick, could you get a picture of the clearance between the intercooler and the a/c drier and its lines?
I'm trying to decide how big of an intercooler I can get in there and this would save me some hassle.

I think I'm absolutely going to copy your a/c fan solution.
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Old 06-28-2015, 11:05 PM   #154
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Hey Rick, could you get a picture of the clearance between the intercooler and the a/c drier and its lines?
I'm trying to decide how big of an intercooler I can get in there and this would save me some hassle.

I think I'm absolutely going to copy your a/c fan solution.
Your wish is my command. This is the Fab9 Stage 1 intercooler. Fits really well:



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Old 06-28-2015, 11:21 PM   #155
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Default Ducting/Replacement Air Guide

Made a cardboard pattern for the bottom. This encloses the intercooler and mates with the OEM undertray.



Transferred the pattern to ABS sheet. I cut the sheet and grooved the bends with a dremel tool and router bit attachment.





Bending jig:



This is how the bottom ended up looking:







Used cardboard to pattern the end plates, transferred to ABS, cut, bend, blah, blah:









Used rivets and black RTV to join the bottom and sides:



OEM vs. intercooler-friendly air guides:



Blind nuts for OEM undertray:



Bolted in place. Front is secured with R-Package spoiler bolts:





Put couplers on the intercooler and spritzed some silver spray paint to mark the location of the intercooler tube holes:



Next up, intercooler tube routing!
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Old 06-28-2015, 11:25 PM   #156
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Nice! ABS is very easy to work with. Currently trying to seal the radiator sides a little better on mine.
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Old 06-29-2015, 12:15 PM   #157
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That's amazing work, I'd pay money for that. Good job sir, and thank you for taking pics of the design and assembly process, that helps those of us with mediocre fab skills.
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Old 06-29-2015, 12:23 PM   #158
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I could make a copy of my templates if it would be useful to anyone. Works with the FAB9 Stage 1 installed on an NA. Might work on an NB with minor adjustments.

Being heavy into the track game, easy maintenance is a big deal for me. I really, really wanted to retain the OEM undertray for that reason.
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Old 06-29-2015, 12:31 PM   #159
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I'd love a copy!

If I can get it to fit on an NB, I'll see if I can figure out how to digitize it and open source it. With your permission of course
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Old 06-29-2015, 12:37 PM   #160
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PM me your address then. I'll consult with Monk on packaging.
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