66 Sat
Well-Known Member
Help required! Drove the car Friday night, running great. Blew a bit of the carbon off the plugs as usual, but nothing too crazy, maybe a few 5,500rpm runs. Parked the car, no issues.
Went to drive it today and it started fine, oil pressure fine etc but was sounding terrible, like an exhaust manifold gasket had blown out. I shut it off and went out in my other car.
I thought the driver's side manifold was leaking slightly since I removed and replaced it recently to fit a mini starter, in anticipation of the headers that are being installed in early May. I left the leak alone as the manifolds will be removed soon and it didn't sound too bad, so I suspected the leak had finally blown through fully.
I started it again this evening to see if I could pinpoint the noise but it's hard to tell, almost like the gaskets on both sides are blown which is strange.
When I was lying on the floor trying to hear the leak I saw this piece on the car under the front of the engine. For the life of me I can't work out what it is. It looks like part of the kickdown assembly maybe as it's a similar diameter and has the grooves for clips but the kickdown is intact and works ok when I run it by hand, both from the top and from underneath. The shaft is snapped, you can see the ragged break, but I'm stumped where it broke off from, and if it's related to the noise (surely it is?).
I've inspected the (non-working) manifold heat riser and that seems to be all there (there's no buttlerfly valve inside but the outer part is still attached to the manifold). I can't see or think of anywhere else it came from and whether it's coincidence or not.
Any ideas?
Went to drive it today and it started fine, oil pressure fine etc but was sounding terrible, like an exhaust manifold gasket had blown out. I shut it off and went out in my other car.
I thought the driver's side manifold was leaking slightly since I removed and replaced it recently to fit a mini starter, in anticipation of the headers that are being installed in early May. I left the leak alone as the manifolds will be removed soon and it didn't sound too bad, so I suspected the leak had finally blown through fully.
I started it again this evening to see if I could pinpoint the noise but it's hard to tell, almost like the gaskets on both sides are blown which is strange.
When I was lying on the floor trying to hear the leak I saw this piece on the car under the front of the engine. For the life of me I can't work out what it is. It looks like part of the kickdown assembly maybe as it's a similar diameter and has the grooves for clips but the kickdown is intact and works ok when I run it by hand, both from the top and from underneath. The shaft is snapped, you can see the ragged break, but I'm stumped where it broke off from, and if it's related to the noise (surely it is?).
I've inspected the (non-working) manifold heat riser and that seems to be all there (there's no buttlerfly valve inside but the outer part is still attached to the manifold). I can't see or think of anywhere else it came from and whether it's coincidence or not.
Any ideas?