Discussion
I have just been reading the steve Heath bible and I have got to the fuel pipe section. As a precaution I have checked mine and I think it is the original one and is weeping, a slight smell of fuel and traces of fuel on the fingertips. I have taken a picture and it seems very close to the exhaust system, even though it has heat shield on it, this cannot be the best way to locate it. ( I know welcome to Tvr ownership) has anybody replaced this with a braided system and truncated it away from the exhausts? The first of many questions I am sure. Chris
Yeah, it's a nasty design. On mine I kept the same basic route but replaced that hose with a 13mm copper pipe, which gave me better control over the routing, let me keep it further away from the exhaust without constrictive bends, and gave me more space to add insulation. It also avoids having that hose dangling downwards and threatening to catch the scenery if I ever had an unplanned offroad trip.
It is similar on the V6 too.
I've gone down the route of an in tank pump and fuel filter in the enginebay.
Deals with a number of issues in one go.
Did this by modding an alloy tank to take the pump. Got an alloy tank cradle too. Kept the sump of the tank to provide a collection point.
Doing the above means the pump and filter are moved from inside the rear wheel arch.
I've gone down the route of an in tank pump and fuel filter in the enginebay.
Deals with a number of issues in one go.
Did this by modding an alloy tank to take the pump. Got an alloy tank cradle too. Kept the sump of the tank to provide a collection point.
Doing the above means the pump and filter are moved from inside the rear wheel arch.
It really is a piss-poor design. The early S1s were bad, and we had an S2 in the other day where the spigot on the tank was effectively aiming the hose straight at the exhaust! In the end, we used some alloy insulation cloth and then fitted some overbraid over the top to protect against friction caused by contact.
To be fair, the exhaust doesn't get that hot there, relatively speaking, and the maximum temperature rating of the hose probably exceeds 150deg C, but even so, it's less than ideal!
To be fair, the exhaust doesn't get that hot there, relatively speaking, and the maximum temperature rating of the hose probably exceeds 150deg C, but even so, it's less than ideal!
Kitchski said:
It really is a piss-poor design.
It would have been so much cleaner to bring the hose out the back of the sump and straight into the channel. Or put the pump in the tank and bring the hose out of the side where the fuel level sensor is. Or just about any other design. I can just imagine the face/palm when the designer saw where the YTS trainee had put it.
GreenV8S said:
... I can just imagine the face/palm when the designer saw where the YTS trainee had put it.
Are you seriously suggesting TVR employed a "designer"? 
It was more a case of "oh bugger, we've made the tank too high too take the fuel sender, never mind, let's just stick it in the side". The Land Rover sender unit was designed for a top of tank fitting which might explain why it can be a bugger to get it to give a correct reading.Gassing Station | S Series | Top of Page | What's New | My Stuff