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First off, I do have a TR4 but I am doing the HVDA conversion on it. With that said, the stock front exhaust bracket bolted to the transmission of the TR4 but being I'm replacing the transmission with a Toyota unit that bracket can't be used. My question is, could I use a TR3 bracket and where does it bolt up? Does it bolt to the frame or does it also bolt up to the transmission or transmission mount like the TR4? I know some have used the TR4 mount on the TR3-3A but looks like I need to go backwards. Any help would be appreciated. Thanks
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TR2/3/3A Front Exhaust Bracket Help
- Thread starter ghawk16
- Start date
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M_Pied_Lourd
Darth Vader
Offline
Hi Gary,
The front exhaust mount on my 60 TR3A does mount to the frame on both sides, not to the tranny.
Cheers
Tush
The front exhaust mount on my 60 TR3A does mount to the frame on both sides, not to the tranny.
Cheers
Tush
You wouldn't have any pictures would you? I've looked and can't find one anywhere. Or I'm just not good at searching! HAHA
M_Pied_Lourd
Darth Vader
Offline
Hi Gary...
How about some video? Best I can do, sorry.
This was from when I was trying to figure out what to do with my exhaust.
https://youtu.be/SEJ1IiOFIUM
Cheers
Tush
How about some video? Best I can do, sorry.
This was from when I was trying to figure out what to do with my exhaust.
https://youtu.be/SEJ1IiOFIUM
Cheers
Tush
charleyf
Luke Skywalker
Offline
Gary,
I do have 2 TR4s with the HDVA conversions. First I will say that the holes are in the TR4 frame to be able to use the standard TR 3 type exhaust mount. It is just forward of the center box of the frame But What I did was to make my own bracket. I put it behind the center box of the frame. At this location there are two body mounting bolts that screw into welded nuts on the underside of the frame. I attached a piece of angle iron between these bolts by putting a longer bolt from the top and adding a nut to hold it up. I then made a loop around the exhaust pipe like a clamp. And suspended a bolt down from the angle iron to the clamp. I did add a rubber buffer to that bolt / clamp to prevent vibrations.
I do not remember why I did not use the TR3 style bracket. Maybe I did not have one at the time.
Charley
I do have 2 TR4s with the HDVA conversions. First I will say that the holes are in the TR4 frame to be able to use the standard TR 3 type exhaust mount. It is just forward of the center box of the frame But What I did was to make my own bracket. I put it behind the center box of the frame. At this location there are two body mounting bolts that screw into welded nuts on the underside of the frame. I attached a piece of angle iron between these bolts by putting a longer bolt from the top and adding a nut to hold it up. I then made a loop around the exhaust pipe like a clamp. And suspended a bolt down from the angle iron to the clamp. I did add a rubber buffer to that bolt / clamp to prevent vibrations.
I do not remember why I did not use the TR3 style bracket. Maybe I did not have one at the time.
Charley
That helped! Thank you. At least I know what clamp to get. I'll have to look at my frame tomorrow to see how it mounts. Looks like the arm goes to the drivers side of the frame. Looking at Moss it takes a bracket and some grommets. Not cheap, but would rather use some sort of OEM stuff than try and make up my own bracket. I MAY still try and use the TR4 bracket but put an extra piece of iron between the tranny mounts and that.
But what malbaby says above actually makes more sense as it allows the exhaust to move with the engine since the bracket would be mounted to the transmission. I'd have to look at the Toyota tranny again to see if their is any kind of mounting point. I don't think there is tho. But maybe the TR3 bracket has enough movement and/or flex to allow that.
But what malbaby says above actually makes more sense as it allows the exhaust to move with the engine since the bracket would be mounted to the transmission. I'd have to look at the Toyota tranny again to see if their is any kind of mounting point. I don't think there is tho. But maybe the TR3 bracket has enough movement and/or flex to allow that.
CJD
Yoda
Offline
This is likely the one you want.
https://m.ebay.com/itm/Triumph-TR3-New-Front-Muffler-Bracket-812-020-/311873141578?nav=SEARCH
There was an earlier one, but I haven't seen it available anywhere. Also, I have not checked to see if this ebay item is a good price or not...
https://m.ebay.com/itm/Triumph-TR3-New-Front-Muffler-Bracket-812-020-/311873141578?nav=SEARCH
There was an earlier one, but I haven't seen it available anywhere. Also, I have not checked to see if this ebay item is a good price or not...
My search skills obviously aren't up to par! HAHA I searched TR3 exhaust bracket and that didn't come up. But a new one from Moss is $25.99 so may as well just go that route as I can have it sooner. Hoping to get engine/tranny and exhaust all bolted up by this weekend. I did look at my frame this morning and the passenger side hole is higher than the drivers side hole in the frame. And looking at that ebay bracket that makes sense. I'm sure I'll have to make some trips to the store to find the right bolts for it. Anyone know what size goes in each end and the clamp itself? Thanks all!
charleyf
Luke Skywalker
Offline
Gary,
I have a muffler brace set up to go on a TR3 that I am working on. I will get the info for you tomorrow. I can tell you that the grommets (4 needed) are the same as the ones used for the radiator support rods on the TR4. You need those to isolate vibrations between the frame and exhaust pipe.
I my opinion the cause of most noise is from the exhaust pipe rubbing on the center box of the frame. If you were to allow the exhaust pipe to be able "to move around" with the engine and transmission you are asking for the pipe to rub on that center box.
Charley
I have a muffler brace set up to go on a TR3 that I am working on. I will get the info for you tomorrow. I can tell you that the grommets (4 needed) are the same as the ones used for the radiator support rods on the TR4. You need those to isolate vibrations between the frame and exhaust pipe.
I my opinion the cause of most noise is from the exhaust pipe rubbing on the center box of the frame. If you were to allow the exhaust pipe to be able "to move around" with the engine and transmission you are asking for the pipe to rub on that center box.
Charley
Thanks Charley! I think I'm set, but it might be a good idea to see how everything looks and what size bolts I would need for everything so I can head over to the local Orchard...yet again...to pick up nuts and bolts. I think I'll go stainless on these.
charleyf
Luke Skywalker
Offline
Gary,
The two bolts are 2-1/2" plus the 1" clamping bolt all 5/16" diameter, 4 to 6 flat washers and of course the four grommets and three nuts. Note that these grommets are flat on one side and stepped on the other side. That is so they fit into the holes in the side of the frame.
Charley
The two bolts are 2-1/2" plus the 1" clamping bolt all 5/16" diameter, 4 to 6 flat washers and of course the four grommets and three nuts. Note that these grommets are flat on one side and stepped on the other side. That is so they fit into the holes in the side of the frame.
Charley
Great!!! Thank you Charley! That is a huge help as I wanted to make a trip to the hardware store at lunch today!
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