Would I need this front thermostat neck later if I go turbo down the road? Sorry, I dont. You can also see the customization to my coil pack mounting bracket. Needed to see someone elses. The big difference is the plumbing, though - the water coming from the turbo is now plumbed back into the water heading into the radiator so that it's cooled before going back into the engine. When I had 180 in an NA w/ a big radiator, I had trouble keeping it at operating temp. Heres the results of my research I made before purchasing my own rear wing. The best (Affordable) Rods for your Turbo Miata - Only Miata And Id like to apologize in advance for breaking this up into two blog posts. Ive done it. In the 323, where the engine was transverse mounted, cool water from the radiator entered the water pump, was pushed in through the front of the block, and exited the rear of the cylinder head. Spadaro Technology, LLC / did-it-myself.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. Flyin' Miata Coolant Reroute Installation - YouTube Lots of clearance on this one too. IIRC when I remove the back cover the ring on the gasket was facing the head. It likely was pushed out over the 5 years of service. Use your imagination, its the only sensor in the area with a big electronic plug sticking into it. SK Cooling and Retail Solution Co.,ltd, Phnom Penh. When building your reroute spacer, make sure to use locking thread compound on all of the ports. Istole this picture from some guy on MiataTurbo.net, and I'm pretty sure he stole it from someone else, so Ihave no idea what the original purpose of those arrows was, but here's what the back of a Miata head looks like. Secondly, this may be unnecessary, but I also put a few drops of the Permatex thread sealant I used earlier on the threads of the housing before screwing it together. Oil lines - You'll need to supply oil to your turbo, typically from the oil pressure sensor sender in your block. This is the water outlet (neck) from a 97 Kia Sephia. Also, theres a bit of overhang on the edges of the Kia water neck. Way more complete and installed nicely. The transmission is in the middle of the car in the hump between the passenger and driver seats. Just be careful with the parts you install. Hawley and BEGI place the thermostat between the spacer and water neck. Thats fantastic. any of the other 1.8L headgaskets (94-00) before installing the reroute. My reroute spacer started to leak like a sieve after five years of use. The issue with this is that the 4th cylinder, all the way at the back, gets cooked. Bell sells them on their website. Awesome review! Or perhaps my subconscious is actually planning out these posts? I *did* unbolt the PPF from the transmission and jack it up a bit to give more firewall clearance. This is excellent for serviceability, but its an issue for the thermostat itself. Since Im rerouting the flow to the back, something has to be done about the front water return. Forged connecting rods are a crucial component in any high-performance engine build, as they are much stronger and more durable than the stock rods. DIY Miata Turbo (Ep 6) Coolant Reroute : r/Miata - Reddit I wouldn't even think of a real turbo on a 1.6 without a coolant reroute. This bushing just stays permanently mounted to the head. Prestone or whatever concentrated coolant, Replacing an F-150 Blend Door Actuator for HVAC (2009-2014), 05+ Toyota Tacoma Front Diff / Transfer Case Oil Change, Changing Toyota Camry Hybrid Inverter Coolant, Miata Clutch, Transmission, and Rear Main Seals, Let the engine idle for a good 30 minutes or more, As the engine gets warm, the thermostat will open, the coolant level will drop, and air will be pushed out, Each time this happens, top off the coolant, You can squeeze the long reroute hose to help release air bubbles from there. I think they came from NAPA? Note in the picture you can also see the black RTV oozing out a little bit. Youre meant to use gasket goop on all mating surfaces on this reroute spacer / adapter. I will admit that Ive done this in the past when Im just topping off my coolant, as it does make life easier. I expected hours of pain, but it bolted right up. Those fancy kits usually include an aluminum spacer, with a tapped hole for this sensor, that goes between the head and the thermostat. Test fitting of all these parts. Thanks for showing a finished pic of the thermostat assembly. I just recently installed one of these on my car. It lets air bleed out the back until the engine is full. haha. Having it close to the head is a GOOD THING. But thats just obvious. Downpipe - This connects the turbo to your exhaust, it will also typically include a bung for your wideband O2 sensor. If you did, did you have to apply a thin layer of gasket sealant and also the OEM gasket has a protruding ring, does that part lay on the side of the head? Very clever. There's a bunch of noise about reroutes and 01-05 headgaskets, thanks to that headgasket having different size passages to manage the coolant flow better with the stock routing. our turbo kit at the same time, you'll want "Garrett turbo" and "banjo fittings". It has helped even out the cooling between cylinders and keep my temps down on the track. Look at the tool space engineered into the housing! So it's the best reroute you can buy already. A reroute kit attempts to remedy this problem. If youd like to reroute on an 01-05 motor, simply put on Includes: (1) Miata Coolant Block Off (2) Metric Fasteners (1) Freeze Plug Related Products Special If one of them doesnt come free, like in my picture, you can use the double nut trick to remove it. Theres one more thing going on with the BEGI spacer. The Hot Wheels Mazda Miata is a die-cast toy car produced by the, As with any car, the clutch is an important component that will eventually need to be replaced. I cant remember. Its easy to route and install, but you do need to protect it from rubbing wherever rubs might happen. The reroute is holding up fine. The spacer is thinner than the BEGI one, so theres a bit more room once the reroute is bolted into place. A lot of little pieces included that aren't necessary but a nice touch. You should either leave the cooling system as-is or go ahead and do a headgasket job, changing back to the old design. The normal way to deal with this is a \"reroute\" kit, which sometimes costs hundreds of dollars. MX-5 Standard Coolant Reroute Kit - SkidNation MX-5 Parts Thanks for this! First - why do you want a coolant reroute? Thank you for including our spacer in your review! It seals awesome. I had to end up overtightening the sender to get the harness release tab in a position so I could get a hose clamp on with no interference. On the whole, this kit has been great. As a small team we try our best to keep up with the increasingly growing demand that the community has thrown at us. This puts it 26mm and 29mm away from the head respectively. If you have a different aftermarket turbo kit that uses 5/16" water lines, choose the "Garrett turbo" option - bear in mind that the farther your turbo location is from ours, the greater the likelihood that the included lines won't work (although we do leave them pretty long). The Complete Guide to Miata Turbo Kits (NA NB NC) - Only Miata Im looking forward to it too! Lastly, there is a long hose and a spring. The neck could be removed and a freeze plug put in the block, or I could just use this spiffy block off plate from Bell Engineering. It is a two-seater sports. If for some reason you cant get to the plug very easily, you could remove the cover and put it in a bench vise or something to hold it while you unbolt the sensor. 949: 72mm. This evens out the delay in water temperature reaching the thermostat, mostly, and helps with the issue. This is an OEM hose for some sort of GM truck. Note that you'll still use the included upper radiator hose, you'll just add the adapter hose kit to the standard hose. And thats it! I dont think any other sensor would work with that coil pack in place. Miata - Coolant Block Off - Fab9Tuning Just like the rear, this is actually two studs and two nuts, not two bolts. I found it through the Miataturbo classifieds. There is only one, it is the one that goes to the back of the engine as opposed to the drivers side. One of the biggest reasons for Miata cooling fragility is a hidden quirk of the engine's front-drive heritage. As you can see here, the temperature sensor is very close to the thermostat. This both prevents the rubber gasket from tearing as the two halves are screwed together and also helps keep water from passing through the seal between the aluminum housing and the rubber gasket. Not having that fitting would give nice clearance for the water neck too. This may work for a turbo, but I dont have one. If it doesnt go on very easily, Ive used some silicon or other lube in the inside of the rubber hose and the outside of the fitting. Proper cooling of the engine means less stress on all parts, especially during high loads. From day one, weve been grass roots and will remain personal. Others copy, none match its performance. * Garrett GT2560 or GT2860RS Turbo with Ball Bearings and Water Cooling * Stainless Steel Tube Exhaust Manifold * Manifold Support Bracket . As noted above, pretend the sensor is off already in this picture you it is much easier to remove it with the cover still held by the engine. The Qmax coolant reroute is the most effective design available, from the only shop on the planet that actually operates a multi national championship winning race team and runs a racing series. Tons of clearance for a hose. Replacement parts: Additionally, the guide recommends zip-tying the hose to secure it, anything in the vicinity that looks secure should work. Thats not difficult at all. It's completely compatible with EGR pipes - not "it works if you hit it with a hammer" compatible, but done right. If you have an upright / stock-style radiator, with the inlet on top toward the middle of the radiator, choose the "upright" option. Note that clicking the box will only add one, you need two. The kit includes a spacer, bolts, hose barb for the heater line, and two excellent OEM quality gaskets. As for the thermostat neck, you can probably delete it safely. This will add an adapter hose kit that cleanly routes the coolant to the radiator inlet. Decrease quantity for Flyin Miata coolant reroute, Increase quantity for Flyin Miata coolant reroute. The most leaks people have had are with this housing. The Ultimate Miata Coolant Reroute by Dave Coleman The lameness of Miata cooling systems is well known. 949/SuperMiata Qmax Reroute the new kid on the block in orange. 2023 Only Miata - The Miata Resource Online - Sitemap - Privacy Policy. More expected on Jun 8. It is too small and has to be stretched, it has rounded instead of squared edges. Im getting ready to start HPDE with my car and wanted to maximize my 99s cooling with a better radiator and a reroute, but Id read lots about prior onesincluding yours! One tip is in how to flush the radiator with the reroute installed. Moving the coolant exit back to the rear of the head (re-routing it, if you will) puts the system back to how it was originally engineered in the 323. 949 ships a 195 degree thermostat. There are quite a few kits worth considering, and a few ways to do a DIY reroute. Your email address will not be published. No rough surfaces or sharp edges. If you have an 01-04 motor, you must put on an earlier year head gasket prior to doing the reroute. It cannot be reused without being machined flat again. I mentioned buying the M Tuned kit from 949 on sale. Normally, youd pull the cover off the water neck, remove the thermostat, and run a hose there with the radiator drain valve open until the water runs out clear. This may be a good option if I had a turbo, but I dont. However, this requires the work of a water pump and timing belt job. In the winter, though, it wouldnt warm up past 165 or 170F on the highway, which was way too low. Your email address will not be published. However, it can definitely be done with the engine in the car, as m-tuneds own instructions show. The jiggler goes at the top. Some cheap fuel line in a matching inner diameter does the job perfectly. One side is sticky. This cools all of the cylinders more evenly and prevents this situation from happening. Theres tons of space at the bottom of the engine. This is good, because you should use pieces of hose (cut open lengthwise) ziptied around the hose anywhere it may rub on anything metal or sharp to prevent it from getting split open. This is great for coolant reroutes since you cant always see what youre doing on the back of the head. If you have a water-cooled turbo, follow the instructions for the kit you . I find that if I try to burp the car with the nose on the ground, its a lot harder to get all of the air out. No gaskets to leak. I didnt want to replicate the high speed 180 degree maneuver that another NA performed right in front of me at Oregon Raceway Park. The Miata coolant reroute, such as the M-Tuned reroute, locates the thermostat back to the back of the engine and restores the intended coolant flow. You may still have some coolant left in the line, so be sure to have a bucket or cup to catch it. Determined not to repeat this fate with our new car, we hid its radiator deep in the middle of the car. Our previous car, the pimptastic Honda CR-XXX, died an untimely death when its bedazzled dollar sign grille emblem punctured the radiator after the 45th time we rear-ended someone. Your email address will not be published. Thanks. If you do the reroute with the redesigned headgasket, it wont work as intended. It tried to make thermostat changes a bit less painful by moving it away from the back of the engine. You do not have to disconnect the from the heater core (the side against the firewall), which is usually more difficult anyway. One last safety note, never pull the cap on the radiator with the engine hot! To make things worse, this very hot coolant is mixed right back into the engine coolant, with no chance to cool down at all. The odd radiator placement is just a small piece of the cooling puzzle. As you drive the car for the next couple of weeks, keep an eye on the overflow tank, topping it off as necessary. Dialing in the thermostat takes a little bit of doing, and the remote housing is a little bit ghetto, but it works well enough that fixing the cooling flow to its intended configuration is completely worth it. QMAX Coolant Reroute 90-05 MX5 Miata - 949 Racing Question for youIs it smart/easier/make more sense to do the reroute now (pre-turbo) or after turbo is installed or does it make a difference? Id have to install a coil over plug system if I wanted to use that port in the BEGI spacer. Project Frankenmiata - The Ultimate Miata Coolant Reroute I was curious and held one up to the housing (and did not take a pic, sorry) and immediately saw the reason the stock gasket would restrict water flow. I hope this will be the final one. Obviously, we decided to address this. Miata dude and photographer that likes to write about cars. This premium kit gives you all the customisation options you want: reroutes the cooling path to protect your engine, allows you to run aftermarket coolant temperature sensor, lets you delete the front coolant neck to de-clutter your engine bay, offers possiblity to delete your cabin heater. According to some awesome contributors on my various Miata forum build threads, PTFE is not great for an application with pressure. If you have a stock MSM turbo on an MSM engine, choose the "MSM turbo" option. Good to know. If youre doing this with the engine in the car, this is probably a godsend it wont flop around while youre trying to install. I usually just run by Walmart and buy Prestone or whatever concentrated coolant. Most people will already have banjo fittings and won't need more. Flyin Miata coolant reroute opens full screen video in same window. You can use the same double-nut trick to remove the studs after the cover comes off. gave it a big 52mm radiator since last summer. These little guys are cheap. No rough edges to create turbulence. You know I have an engine out service coming up. The Big Hose - the thing that makes this "easy." Okay where were we? These photos give a good feel for how the BEGI spacer uses the space behind the motor. Really research all of the reroute options. When I tightened down my sender the first time, the release tab was touching the hose. Stock heater outlet neck: 37mm clearance needed. This is the big part that makes all of this possible. This is concentrate, you have to mix it with distilled water in the proportions you want. Basically you need a correct-diameter tube to insert into both hoses. Thats the stock coolant sensor. ========================================. Unplug the two- or three-wire ECU temp sensor (3), . We even tested flow through the heater so you'll stay warm. This front-to-back cooling flow did a reasonable job of cooling all four cylinders evenly. However, the reroute changes all that. These are all tools to do the same thing reroute the coolant path inside an NA/NB Miata engine and restore even cooling throughout the cylinder head. If you dont want to deal with mixing the coolant yourself, you can buy 50/50 premix. The B6 engine in the 89-93 Miata was originally designed to be packaged in a front wheel drive platform (like the Mazda 323). The first step was to cut and strip the existing plug wire. ideology in place with our kit to keep installation simple and price point very reasonable. No leaks so far. Use pipe sealant (not tape as pictured) and install plugs in the rear cover. However, for a total refill of an empty system like this, I think its worth the $20 you save buy mixing it yourself. That really only leaves us with a few options: an expensive N/A motor build, an engine swap, or forced induction. Hawley says that it doesnt cause a leak, but it seems like an odd choice to me. We do not currently have any inventory on hand. But a 1/8 fits just fine. They were first seen in Scrats engine bay. There is more hose than required. This is a little auxiliary sensor to let my extra VDO gauge work. Sorry M-tuned fans, but thats quite a lot of distance in my opinion. NA (1990-97) NA (1990-97) New products! Shortly after my first track day, I realized that my Miata would need a rear wing to keep the back end planted on high speed corners. So seal up your pipe threads with GREY RTV before installing your reroute spacer. I also used a probably-excessive amount of Ultra Black RTV on the engine side before installation. The plug after soldering wires to extend it, Connection is soldered, ready to heat shrink the tubing. If you're planning to remove the thermostat / water neck altogether (not required, although we include a block-off plate for it), be sure to add our timing cover hole plate kit to keep your timing belt safe. This finally forced coolant to flow front to back across all four cylinders, up to the head, and then back to front across all four combustion chambers. Any follow up comments now years later? The thread locker I used to seal the threads on my reroute spacer was very likely what caused my leak problems. Connect your FM reroute to a Garrett turbo. - Flyin' Miata First, the H logo. Our flow area is 8% better than stock, 11% better than the first reroute we sold and 5% better than our previous offering. Refer to the instructions for more info on deleting the thermostat neck. Car ran like crap. It should be made as clean as possible, although I dont bother to clean the surface all that carefully because I use liberal amounts of RTV anyway, and I havent had any leaks. Well done guys! $179.00 Quantity: Description Reviews These are currently due in on May 15th - with a huge response to the V2 launch, we went through these quickly! My own personal experience with the BEGi spacer reroute solution has not been wonderful. Theres also VERY little space between that small coolant pipe and the Kia neck to slide a hose on. There is no problem with this, except for cooling flow. No problems sliding the hose on. Simply drain the radiator and leave the valve open. As you can see, theres a lot of thread. September 4th, 2017 | Engine, Parts Review. Begi S4 Miata Turbo System 1990-2005 - The BEGi Turbo System features components not found in any other systems. There's a bleeder screw on the top of the housing so you're sure you don't have air bubbles. You just slice the little edges off with a dremel to allow the coil pack to slide right out of the rubber mounting bushing. It has been boiled a couple times to make sure it opens and closes correctly. Thanks. And the cooling fan will need to run less often, meaning less alternator load. Gasket maker, carefully applied, will not restrict anything. Additionally, if you get a bubble near your temperature sensors, the ECU will misread the current temperature. Always on the look out for really good worm drives! Compared to rubber, silicone hoses last longer and better resist cracking and heat (up to 160C). Even the thermostat is an off-the-shelf 180F unit so you can run a different temperature if you'd like. Install the heater core fitting BEFORE the cover if youre doing this with engine in car. Its not fun, but it can be done.