I put in my respeed heat shield this evening
#1
I put in my respeed heat shield this evening
Here's the package:
Here's where it goes:
Here's how you put it in:
Those washers need to be on the other side of the aluminum, see the last picture.
Here's what it looks like installed:
It's solid where it is but I can see from the photos I might be able to skooch it back a bit.
Thanks Billy, I'll take that other one.
Ray
Here's where it goes:
Here's how you put it in:
Those washers need to be on the other side of the aluminum, see the last picture.
Here's what it looks like installed:
It's solid where it is but I can see from the photos I might be able to skooch it back a bit.
Thanks Billy, I'll take that other one.
Ray
#4
Resurrecting Gus
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Looks like those measurements I took for Billy worked out just fine! I tried the first design on my 83 GS and it wasn't fitting. I emailed Billy back and told him what was going on. Turns out the later model manifolds have that dumb hump in the bottom that sticks down by the header flange. We both decided that the offset would be the best solution. I think it looks really nice. Mine should be here tomorrow I hope. I can't wait to get it on.
Nice work Billy! Another successful product in your lineup! Keep up the great work!
Jamie
Nice work Billy! Another successful product in your lineup! Keep up the great work!
Jamie
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#12
Resurrecting Gus
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I'm actually worried about my carburetor icing over when I put the heat shield on. I've already got the coolant runners in the manifold plugged. Hopefully the heat shield will drop my intake temps, but not too far. I'll report back after I get mine installed and have the car running again.
Ray will probably beat me back to it though. Ray, any noticeable drop on your intake temps yet?
Ray will probably beat me back to it though. Ray, any noticeable drop on your intake temps yet?
#13
Thanks guys but thank Billy, he's the one who went out and got this done (with Jamie's help!).
I have no idea if it works or not, I haven't driven it yet. But I'll give it a 110 mile test drive into work and back today.
In fact I'm not sure that without installing some kind of temp probe at the carb there is any way to even tell if it "works". I just got it because it looks cool, Billy made it and it seems like a good idea, with all that heat coming off the header.
But if I notice any differences I'll be sure to let you folks know.
PS Stu, no makeover on the White One, just the usual maintenance, got to keep here happy you know.
I have no idea if it works or not, I haven't driven it yet. But I'll give it a 110 mile test drive into work and back today.
In fact I'm not sure that without installing some kind of temp probe at the carb there is any way to even tell if it "works". I just got it because it looks cool, Billy made it and it seems like a good idea, with all that heat coming off the header.
But if I notice any differences I'll be sure to let you folks know.
PS Stu, no makeover on the White One, just the usual maintenance, got to keep here happy you know.
#16
I put 110 miles on the new respeed heat shield today and it didn't fall off. So with some daylight and a few extra minutes I loosened the nuts and bolts and did some adjusting to get a better fit.
And a tight fit it is, that heat shield snakes around all kinds of stuff and fits perfectly. You ain't cutting this thing out of no cookie sheet.
Nice work Billy!
Check it out:
And a tight fit it is, that heat shield snakes around all kinds of stuff and fits perfectly. You ain't cutting this thing out of no cookie sheet.
Nice work Billy!
Check it out:
Last edited by ray green; 08-07-08 at 07:22 PM.
#18
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I can't tell y'all what Ray's getting with his setup, but I had a similar solution on my old Dellorto 4-port 13B. The coolant passages were plugged because of the aftermarket manifold, and that carb would get HOT with a little running. I had an old Racing Beat setup and it made the carb serviceable when I was changing jets and turning screws on the hot engine. I'd imagine that coolant in the mani would warm it up and keep some heat out of it once it's up to temp, but for the typical aftermarket carb I'd expect to see the same high temps without the stock manifold.
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I plan to get this on top of the huge RE-Speed shopping list that's in the works. Another method that some may say isn't a good idea is header wrap. Not too expensive and I can now touch my exhaust when the car is up to temp. That's an impressive reduction in surface temperature.
#20
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I have not tried this, put I plan to get one for my SE. I do know that it will result in a substanitially lower temp at the LIM.
With heatshields, it depends on temperatures of the hot and cooler surfaces, the material of the heatshield, and the arrangement of things..but you can expect a reduction of radiant heat transfer by a good 85%-90% with a single layer heat shield. Basically you remove most of the heating of the intake from the header. You still have heat conducted through from the engine, but not much you can do about that (except an insulating gasket). But as mentioned before, you also don't want things too cold with a carb setup or you might get icing.
With heatshields, it depends on temperatures of the hot and cooler surfaces, the material of the heatshield, and the arrangement of things..but you can expect a reduction of radiant heat transfer by a good 85%-90% with a single layer heat shield. Basically you remove most of the heating of the intake from the header. You still have heat conducted through from the engine, but not much you can do about that (except an insulating gasket). But as mentioned before, you also don't want things too cold with a carb setup or you might get icing.
#21
No distributor? No thanks
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Well, even that depends entirely on the material. Any material has transmissivity (being thermally transparent) absorptivity and reflectivity. Reflectivity is what we're interested in. As an examle, steel, including stainless has a reflectivity of around .6, whereas aluminum is near .95. Nearly all radiant heat is reflected if you have a solid pane, regarless of thickness, ANYWHERE between A and B. Paper-thin aluminum still does a wonderful job if you can keep it from breaking, rotting, blowing off down the road. Seeing as nearly everyone removes the stock heat shield when they go to a header, it makes sense that one would want a replacement.
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Nope I meant my header. I can put my hand on it with the heat wrap and its warm, and I wouldn't want to just sit there leaning on it all day, but I don't have to yank my hand away the second I touch it. I can actually firmly put my hand on it and it doesn't burn the skin.