Originally Posted by rynberg
By default, the PFC turns the fans on LOW at 99C or 210F. You do need the datalogit to make changes from there. There is really no reason to perform the thermoswitch upgrade if you are running the PFC.
Exactly! The only thing her to celebrate is not having to cut and splice one wire. Which was all it took to install the miata thermoswitch. I mean in all honesty and no offence to Dale for pointing out that this other switch plugs right up. Your only saving yourself maybe 3 min of work if that. I don't know the price difference. Next time I'm at Malloy I will ask Ray I guess. It takes all of two seconds to set the fan temp values with a dataloggit or AEM via laptop. |
Originally Posted by 7-sins
Thanks a lot for the info, the miata thermo was in my rebuild list but im defiantly going to have to get one from the FC now.
Jesus Chris, do you ever plan on putting that car back together? |
If you already have the Miata switch and it works, there's really no big reason to go back. But, if you don't have an upgraded thermoswitch, the FC switch is the way to go - not only is it plug-n-play, but it's also CHEAPER. Hard to beat that! :)
Dale |
Originally Posted by DaleClark
......It was about $50 from Ray Crowe at Malloy Mazda (1-888-544-3400). He didn't have it in stock, so it took a day or two for him to get it and ship it my way. But, I explained the deal with the switch to him, and he was VERY interested - I think if he gets an order or two, this will be a stocked item soon. Part number is PN41-18-840. It's for the '89-91 RX-7, non-turbo or turbo.
Thanks again Dale! |
Good to know! I used to be on Mazdacomp, and I would like to get back in now that I have the FD, but our SCCA region lost its autocross site after the hurricane, so we're site-less :(.
You can save a LOT of money autocrossing twice a year! :) Dale |
Hey Dale will I still pass smog in california with this mod ? . If I remove the pre cat replacing it with a downpipe and add this mod will the main cat heat up enough to pass the tail pipe test . what do you guys think ???
Jeff |
Originally Posted by adam c
Great find Dale :D
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Originally Posted by jeff p
Hey Dale will I still pass smog in california with this mod ? . If I remove the pre cat replacing it with a downpipe and add this mod will the main cat heat up enough to pass the tail pipe test . what do you guys think ???
Jeff Dale |
Originally Posted by jeff p
Hey Dale will I still pass smog in california with this mod ? . If I remove the pre cat replacing it with a downpipe and add this mod will the main cat heat up enough to pass the tail pipe test . what do you guys think ???
Jeff |
glad to hear this won't change smog readings . we need all the help we can get in California . looks like I'll add this to my list of things to do. I am going to be doing the DP, EGR Valve, and Efini y pipe at the same time . can I get to the sensor area when I remove these parts or do I still need to remove the altenator.
thanks again Dale Jeff |
Originally Posted by jeff p
... can I get to the sensor area when I remove these parts or do I still need to remove the altenator.
Jeff IIRC, cross-over, intake elbow, air-chamber. I had to remove the top of my intake box as well, so I could loosen the belt at the airpump to remove the alternator. |
Originally Posted by jeff p
glad to hear this won't change smog readings . we need all the help we can get in California . looks like I'll add this to my list of things to do. I am going to be doing the DP, EGR Valve, and Efini y pipe at the same time . can I get to the sensor area when I remove these parts or do I still need to remove the altenator.
thanks again Dale Jeff |
You can probably pass with no EGR, but would fail a visual bigtime. I'd just leave it on there - with any mileage on the car, it'll be so full of carbon that it's likely not doing anything :).
Dale |
You can easily pass Cali emissions with no EGR or pre-cat.
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I am not removing the EGR I am replacing it with a new one . check engine light is on reading code 16 , so it needs replacing. the only smog part being removed is the precat . the air pump egr and stock airbox are remaining on the car . I just thought with lower temps and no precat the main cat would not get up to full heat range to pass calif. smog.
thanks for the info. |
Thanks for pointing that out Dale & Tyler. From the sound of it, it seems like Cali's emissions standards are one step away from being impossible to pass, so I figured... :p:
Originally Posted by DaleClark
You can probably pass with no EGR, but would fail a visual bigtime. I'd just leave it on there - with any mileage on the car, it'll be so full of carbon that it's likely not doing anything :).
Dale |
The REAL problem with passing Cali smog is the visual test. By law, if you have an aftermarket part that effects airflow that doesn't have a CARB number, you are automatically failed, whether you pass the sniffer or not. However, many techs are a little more lenient than the law -- my tech didn't have any problem with my bright red PFS SMIC. They also won't catch the downpipe either (usually).
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Wow...carb #? What's that? A part who's emission effect is registered or something? Our safety inspection (which is the only visual inspection we have) technically includes ensuring emissions equipment is there (airpump, cats, etc) but if you go to the "right" stations, they don't put the car on a lift if it's only doing state inspection (no emissions), so they don't check for cats. As for airpump etc, like I said, most don't know what they're looking at. AFAIK, the car is bone stock..I just painted and polished stuff! :D
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Hey Rynberg . the last smog test I had the tech not only looked for aftermarket parts he also monitored my dash lights for 4 seconds to see if the airbag and check engine lights were working . he said this is how he can tell if your using a stand alone ECU no signals for these devices. Man its rough in California and getting worse.
Jeff |
Whats the other sensor
1 Attachment(s)
Guys
I'm replacing a front cover seal with a metal one and in the process of handling the water pump assembly I broke a sensor connector. My Mazda manual shows only one sensor but my water pump has two. Which is the temp sensor switch and what the heck is the other. I'm thinking its the therno couple for the temp gauge. Does anyone know?? I can't find it in my FSM. |
That's the thermosensor for the ECU - it reports water temp to the ECU so it will factor that into its calculations. Shouldn't be too bad for a new one. The 1-wire sensor next to it is the thermoswitch that we've been discussing in this thread.
Dale |
Originally Posted by DaleClark
That's the thermosensor for the ECU - it reports water temp to the ECU so it will factor that into its calculations. Shouldn't be too bad for a new one. The 1-wire sensor next to it is the thermoswitch that we've been discussing in this thread.
Dale |
Originally Posted by powermalex
Thanks I just ordered it from the local dealer. $42.60
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after seeing the coolant temp remain at 115degree C while climbing through some twisties i decided to install an thermoswitch from a 89 FC and it works a charm. thanks Dale!
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Originally Posted by DamonB
I know exactly bupkis about FC's but still wonder how it took so long for somebody to figure out the stock FC switch is a drop in replacement!
I wonder if I kept my stock connector when I cut it off to fit the Miata thermoswitch... |
yeah a must when i get my FD
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very good info. Thanks.
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