Joined: Jan 2019 Posts: 1,564 Threads: 20
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14
Location: Bala North Wales
Car type: 1933 RP Standard Saloon
Your tailpipe appears to be the wrong shape. I have just fitted a new exhaust system to my own RP, and the replacement tailpipe has the part after the bends at the same height as the part from the silencer.
The RP exhaust has only two mountings; one at the rear of the silencer, which should have a bracket which bolts to the rear cross member and one at the end of the tailpipe adjacent to the petrol tank.
I have just been out to the garage to see if I could post photos, but it’s too dark in there and the lord only knows what young Leon has done with my inspection lamp. I will try to take photos an post them tomorrow.
Joined: Aug 2017 Posts: 1,635 Threads: 93
Reputation:
15
Location: Monmouthshire
Gosh, David, I thuoght that every Seven used on Welsh or Herefordshire roads, regularly filled back seats or luggage racks, did nav rallies let alone went trialling had side emission exhausts. Perhaps Cheshire is all billiard tables.
Joined: Aug 2017 Posts: 856 Threads: 73
Reputation:
10
I have a Ruby one which has the opposite problem to yours Dave - the hump over the axle is about 2" too low. Either someone has mixed them up or they are somewhat inaccurate.
Joined: Aug 2017 Posts: 1,044 Threads: 108
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Location: Cheshire
I will admit that I was fitting new tail pipe on my Ruby a while back - and struggling in a dark pit - but it wouldn't go in right - UNTIL I turned it round!
Joined: Mar 2015 Posts: 5,436 Threads: 231
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Location: Scotchland
I also think that it is on back to front.
Joined: Aug 2022 Posts: 149 Threads: 27
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0
Location: Cheshire
Car type: Austin 7 RN - 1932
Thanks everyone for your insights.
Well first - is it the wrong way round? I don't think it can be for two reasons. The other way round the curve over the axle immediately hit the roof (so to speak) The difference in height between the two straight bits is several inches (as David Stepney alluded to above) that is why it so low at the back - look at the second pic on its side (sorry). Also after the curve, as it is now the pipe is almost vertical to clear the tank (see pic 1). When I tried the other around it fouled the tank and hit the roof.
I have seen quite a few RN's (no rear tank) with a short piece of pipe coming out of the silencer and then sharply towards the nearside and emitting there. I did consider this as a solution but decided that it allowed emissions to possibly enter the car when going slow or stopped. The wife could take her chances, but the grandmonsters in the back - well... It also requires at least a 45 deg turn in the pipe to clear the rear wheel. It's an attractive cheap solution with the advantages that Steve Kay mentions above.
Dave Mann's solution is very neat but as he shows he has a proper RN with no tank in the way. My car having aspiration to be an RP comes with downsides.
I like the look of your solution Ivor - I think I would have to bend my pipe a bit to force it out to the nearside of the tank and fashion a bracket. I would still have to shortened the drop so the last section is not so low. Perhaps my friend who knows little of A7's but almost everything about metal could help with bending and cutting.
Thank you all for your help.
PS - I have just stopped worrying about the exhaust pipe for now as the front oilway plug bolt (is that what it's called) is leaking badly again - I may be back for advice.
Joined: Aug 2017 Posts: 925 Threads: 74
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Location: Essex
Why not cut and sleeve the downward section that is too long? No one will be able to see it unless you run them over!