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Author: Subject: Fuel and brake piope to exhaust minimum distance
mgb281

posted on 16/1/25 at 02:16 PM Reply With Quote
Fuel and brake piope to exhaust minimum distance

I have started to plumb the brake and fuel lines into my MGB GT. Due to the extent of the modifications it will not pass the 8 point threshold for a classic cars it will have to have an IVA test. Now that it will have a twin pipe exhaust the fuel and brake pipes travel parallel to the exhaust and about 7cms away. I have looked in the IVA manual and there is nothing regarding distances or heat protection, when it had the four cylinder engine the exhaust ran one side of the tunnel and the fuel, brake and electrics ran the other. I can run the electrics inside the car but it's the brake and fuel lines that are the problem.
It wouldn't be a problem in running a dimpled aluminium heat shield to keep the heat away but would it pass the test. I have tried calling the local test centre but that is only for booking theory tests.

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jacko

posted on 16/1/25 at 03:08 PM Reply With Quote
How did the MGB v8 do it ?
It may give you ideas
G





555

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mgb281

posted on 16/1/25 at 03:18 PM Reply With Quote
They ran a single pipe system like the 4 cylinder cars, since I have centralised the fuel tank I don’t have room for a large silencer on the near side anymore, just room for a smaller one each side. I am hoping that I won’t have to make a new system, it will be tricky.
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jacko

posted on 16/1/25 at 06:32 PM Reply With Quote
Can the brake and fuel pipes run though the inside of the shell like rally cars?.
What are the fuel pipes make off





555

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mgb281

posted on 16/1/25 at 06:47 PM Reply With Quote
All the pipes are cupronickel. The reason that I am asking the question is because I don’t know what can be done. I have assumed fuel pipes hidden under the carpet would be a real no no. Brake pipe is a possibility but what about mot inspection.
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