Transmission tunnel heat shield (liner?)
#1
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Transmission tunnel heat shield (liner?)
What transmission tunnel heat shield/sound deadner would you all recommend? I'm thinking about something that would go under the car above the transmission.
#4
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I don't know what your exhaust sounds like but try driving with a SD spec miata exhaust for an hour on the highway without 5th great at 70mph. Thats loud. Try it you will be rethinking what you just said. Lol.
Have a great day,
Jared
Have a great day,
Jared
#6
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Heat shield above the tranny would be totally worthless. If you want to block actual heat, it all comes in through the left side of the tranny tunnel, from the downpipe. On a track car with a turbo and no carpets, it will burn your right foot if you aren't careful.
All the noise from your exhaust is coming in through the paper-thin sheetmetal in the trunk, passing through the two huge holes next to the gas tank, and right into the cabin. If you don't believe me, take off your fuel bulkhead cover and see how much louder the car gets.
If the Enthuza is too loud, you should either make it quieter (resonated test pipe, larger muffler) or make your perception of it quieter (earplugs). I used foam-bud headphones for highway drives on a regular basis when I had my catless Enthuza.
All the noise from your exhaust is coming in through the paper-thin sheetmetal in the trunk, passing through the two huge holes next to the gas tank, and right into the cabin. If you don't believe me, take off your fuel bulkhead cover and see how much louder the car gets.
If the Enthuza is too loud, you should either make it quieter (resonated test pipe, larger muffler) or make your perception of it quieter (earplugs). I used foam-bud headphones for highway drives on a regular basis when I had my catless Enthuza.
#7
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Heat shield above the tranny would be totally worthless. If you want to block actual heat, it all comes in through the left side of the tranny tunnel, from the downpipe. On a track car with a turbo and no carpets, it will burn your right foot if you aren't careful.
All the noise from your exhaust is coming in through the paper-thin sheetmetal in the trunk, passing through the two huge holes next to the gas tank, and right into the cabin. If you don't believe me, take off your fuel bulkhead cover and see how much louder the car gets.
If the Enthuza is too loud, you should either make it quieter (resonated test pipe, larger muffler) or make your perception of it quieter (earplugs). I used foam-bud headphones for highway drives on a regular basis when I had my catless Enthuza.
All the noise from your exhaust is coming in through the paper-thin sheetmetal in the trunk, passing through the two huge holes next to the gas tank, and right into the cabin. If you don't believe me, take off your fuel bulkhead cover and see how much louder the car gets.
If the Enthuza is too loud, you should either make it quieter (resonated test pipe, larger muffler) or make your perception of it quieter (earplugs). I used foam-bud headphones for highway drives on a regular basis when I had my catless Enthuza.
So you recommend heat shielding the area where the downpipe is?
OK
#10
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Not that it helps you much, but this made my feet on a 105* track day feel like my usual 70-80* track days.
Coupled with some NACA ducts, I stayed surprisingly cool in 105* weather and the heat on full blast. No bueno for street cars of course. I shove a spray can top in the NACA ducts for normal driving and they leak. They're currently blowing 30* air in my face.
Coupled with some NACA ducts, I stayed surprisingly cool in 105* weather and the heat on full blast. No bueno for street cars of course. I shove a spray can top in the NACA ducts for normal driving and they leak. They're currently blowing 30* air in my face.
#13
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Ooooh I like how cheap and ghetto that is...
This might help:
http://www.targamiata.com/diary.php?UID=519
Keith eventually installed the insulation with some ridiculous waterproof tape (I think he said can even be applied underwater). But I can't find that entry.
This might help:
http://www.targamiata.com/diary.php?UID=519
Keith eventually installed the insulation with some ridiculous waterproof tape (I think he said can even be applied underwater). But I can't find that entry.
#15
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Good idea. And I'll have high frequency absorption while I'm at it. Do you think I should just stuff it in the midpipe and exhaust or should I stuff the downpipe as well? I'm thinking that since I'm increasing the range of the resonant frequencies that my turbo should spool faster throughout the range of the compressor map and be more responsive.
#16
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You're joking, correct? If not, stay away from cars.
Since post #12, we've been talking about stuffing bags of stuff behind the seats. There's a spot on either side of the gas tank and chassis that you can stuff something in. There's only a thin piece of sheet metal blocking the cabin from the trunk via those two tunnels, and there's a lot of noise in the trunk from the exhaust.
Since post #12, we've been talking about stuffing bags of stuff behind the seats. There's a spot on either side of the gas tank and chassis that you can stuff something in. There's only a thin piece of sheet metal blocking the cabin from the trunk via those two tunnels, and there's a lot of noise in the trunk from the exhaust.
#17
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You're joking, correct? If not, stay away from cars.
Since post #12, we've been talking about stuffing bags of stuff behind the seats. There's a spot on either side of the gas tank and chassis that you can stuff something in. There's only a thin piece of sheet metal blocking the cabin from the trunk via those two tunnels, and there's a lot of noise in the trunk from the exhaust.
Since post #12, we've been talking about stuffing bags of stuff behind the seats. There's a spot on either side of the gas tank and chassis that you can stuff something in. There's only a thin piece of sheet metal blocking the cabin from the trunk via those two tunnels, and there's a lot of noise in the trunk from the exhaust.
#18
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You're joking, correct? If not, stay away from cars.
Since post #12, we've been talking about stuffing bags of stuff behind the seats. There's a spot on either side of the gas tank and chassis that you can stuff something in. There's only a thin piece of sheet metal blocking the cabin from the trunk via those two tunnels, and there's a lot of noise in the trunk from the exhaust.
Since post #12, we've been talking about stuffing bags of stuff behind the seats. There's a spot on either side of the gas tank and chassis that you can stuff something in. There's only a thin piece of sheet metal blocking the cabin from the trunk via those two tunnels, and there's a lot of noise in the trunk from the exhaust.
I think that's ridiculous. If you did that, they would definetly catch fire. I mean, the fuel tank is right there and what do you think the purpose of fuel is? To burn, dumbass.
Since, it's Chistmas, this is for you:
#19
I'm reviving this thread because I'm having issues with heat coming from the transmission tunnel. I came across something that I'm interested in trying
1993 Mazda Miata
Using just the reflectix from home depot
Reflectix 4 ft. x 25 ft. Double Reflective Insulation-BP48025 at The Home Depot
The other question is: what holes from the trunk by the gas tank?
1993 Mazda Miata
Using just the reflectix from home depot
Reflectix 4 ft. x 25 ft. Double Reflective Insulation-BP48025 at The Home Depot
The other question is: what holes from the trunk by the gas tank?