read this if you are fed up with exhaust fumes in cockpit

[clive f]

I`ve come up with a simple idea that I believe solves the problems of exhaust gases getting into the cockpit when you open a window, if you would like to know more please click on the link here ...

http://www.thegriffithpages.com/index.php?option=c...

BB has put this up on the griffith pages, and this is the only place you can get this modification, its a simple enough job that most people should be able to undertake, just download the templates, follow the instructions and make and fit them yourself, or get a handy mate to do it for you.

there is NO charge for this at all, all we ask is that if you are happy that they have made an imprtovement to your car, then click on the link provided on the griff pages, and make a worthwile donation to the Multiple Sclorosis society.

you may remember last year, Steve Wilson, aka Fatboychim drove from Lands End to
John O `Groats to raise money for this charity as his wonderful wife Claire unfortunately suffers from this condition, so please dig deep.

I have done about 200 miles with these scoops on my car, and I can now only smell fresh air when a window is opened, with a full decat AJP my eyes used to get very sore from the fumes being drawn through, so they work very well.

[2Munkys]

Hmm, is it noisy? Is it in danger of getting ripped off? Did you experiment with other shapes/sizes before concluding this worked best Clive?

[Del 203]

2Munkys said:

Hmm, is it noisy? Is it in danger of getting ripped off? Did you experiment with other shapes/sizes before concluding this worked best Clive?

Hi Bruce, i trial fitted these a few weeks ago & have been forced to drive "roof on" to try them out (Actually it was pissing down on both occasions ) No more fumes, no extra noise & no apparent rear lift at high (ish) speed

[spend]

Before you fit them, try putting some oven hood carbon filter material in the holes. It really cuts down the dust that is drawn in with the air.

I originally used the stuff to filter the cabin air in the wings - very beneficial not having grit hitting the eyes at 100mph+

[SteveGRF]

Clive

Over the years of ownership I thought the holes were TVR's solution to drain away water if it collected in the boot, are you saying the holes where originally intended to let air in to the cabin ?

Great idea & solution by the way, I will be carrying out the mod when the weather allows - plus making a donation - Thanks.

P.S - Please post up printable templates for one of your tuned exhaust
manifolds

Edited by SteveGRF on Thursday 14th January 12:53

[Pink_Floyd]

SteveGRF said:

Over the years of ownership I thought the holes were TVR's solution to drain away water if it collected in the boot, are you saying the holes where originally intended to let air in to the cabin

The holes come up into a cavity of their own. if you were to fill the boot with water, then when it gets about 6 inches deep it will flow over the top of the cavity and then out of the holes, so I assume that they are there to let air in.

[clive f]

Pink_Floyd said:

SteveGRF said:

Over the years of ownership I thought the holes were TVR's solution to drain away water if it collected in the boot, are you saying the holes where originally intended to let air in to the cabin

The holes come up into a cavity of their own. if you were to fill the boot with water, then when it gets about 6 inches deep it will flow over the top of the cavity and then out of the holes, so I assume that they are there to let air in.

[Ant.]

Clive, it may be worth mentioning that the holes aren't present on earlier cars.
Mine certainly doesn't have them..

[clive f]

thanks for the tip Ant, I don`t get under many early cars

Bruce, the shape/size is as small as possible, just enough to cover the hole, and the front drops down by 40mm below the bodywork, as they are positioned just behind the wheels you would have to do something pretty serious to knock them off, like loose you rear wheels or snap a shock right off!

making them from something thin and soft like alluminium not only makes them easy to make, but if you did run over something pretty big laying in the road, then the scoop would take the impact, or be ripped off without damaging the firbre glass, hopefully
rather than having something super strong which would stay in place and cause the fibregalss to break or crack.

there is no noise whatsoever, just pleasant fresh air getting into the car, for example before setting off for TiTT4 I fitted the scoops, and washed the carpet inside the boot lid, which stank of exhaust fumes.
after 200 miles the carpet still smells of the shampoo used to wash it, so it must be working okay.

[jeboa]

When I bought my Grif there were two Pioneer speakers sealed in place of the grilles you mention.

So I guess I am lucky that after four years of (unsuccessfully) trying to get the windows to meet the roof seals, I have never succeeded. If I ever did, with the fresh air vents closed and the interior fan off - I probably would have suffocated!!!

[clive f]

mine is the same, but in the speaker rim around the bottom face there are a series of holes the vent the air, some have them some dont, may be worth checking.

[daveb500]

jeboa said:

When I bought my Grif there were two Pioneer speakers sealed in place of the grilles you mention.

Just a thought....but if the fumes are coming in through the boot, surely sealing the vents in the rear shelf would stop the fumes getting into the cabin..... wouldn't it?

Edited by daveb500 on Friday 15th January 08:48

[RichB]

I've always been puzzled by this, I appreciate it's a concern for some but Ive had my Griff 500 from new, it had speakers fitted in the rear bulkhead by the factory and I've never smelt petrol. When I bought it I was told (by the TVR dealer) not to fit the fuel filler cap too tight but instead to tighten it then back it off half a turn, don't know if that's the reason?

[Del 203]

I tried a new boot seal even doubled the rear edge to try & get a better seal still had exhaust fumes in the car.

I also have speakers in the rear vent raised away from the bulkhead now but have had them flush mounted.

In my case the fumes were coming over the rear wheel arch.


With the added benefit of the missus not complaing of overnight bags/clothes smelling of TVR exhaust

[clive f]

this needs a bump

[Pasco]

clive f said:

this needs a bump

Super idea Cliff how are things at the mo ?

[clive f]

hi Paul yes fine mate, hope a few people will have a go at making some of these, they certainly made a huge difference in my car.

[Pasco]

clive f said:

hi Paul yes fine mate, hope a few people will have a go at making some of these, they certainly made a huge difference in my car.

HI PAUL ??? What do you want ?

[Pink_Floyd]

clive f said:

hope a few people will have a go at making some of these, they certainly made a huge difference in my car.

Just wondering if the scoops should be fitted the other way round so that they suck air out of the boot. I had assumed that the vent from the cabin to the boot was to let air into the boot to allow air to flow through the cabin, I could be wrong thaough.

[clive f]

tried the other way around, just made things worse