frankoacoustics Posted March 26, 2023 Share Posted March 26, 2023 Hi all, So ive just fitted a specially built 200tdi lots and lots of toys - ARP head studs, balanced components, holset turbo, tubular manifold, bespoke fuel pump and because i have it mounted to an LT77 the engine already sits very close to the bulkhead... and for clearance of the downpipe in 3" I've had to either modify the air box, or remove it Does anyone use a smaller one ? or used something from another vehicle? Ive convinced myself to just run a diesel heater and be done with it - but you have to ask Quote Link to comment Share on other sites More sharing options...
miketomcat Posted March 27, 2023 Share Posted March 27, 2023 Could you slim down the heater box from memory that end is just the cold air bypass around the matrix. It might get what you need, I never bother to use that function on ours I just turn the fan off and open the flaps in summer. Mike Quote Link to comment Share on other sites More sharing options...
steve b Posted March 27, 2023 Share Posted March 27, 2023 Like this? In this case modified to allow fit/removal with the wing and manifolds in place. There is still air space inside it for cold air flow. Steve Quote Link to comment Share on other sites More sharing options...
Sigi_H Posted March 27, 2023 Share Posted March 27, 2023 A bit OT (exhausts)... but: Cool Downpipe. What is it made from? I made mine from a flexible stainless steel exhaust hose for trucks. The thicker hose made a huge difference. A lot more torque in low revs. I wrote an article in a german internet magacine about that. Here is the translation. https://www-explorermagazin-de.translate.goog/bauberi/defaus21.htm?_x_tr_sl=de&_x_tr_tl=en&_x_tr_hl=de&_x_tr_pto=wapp Quote Link to comment Share on other sites More sharing options...
landroversforever Posted March 28, 2023 Share Posted March 28, 2023 15 hours ago, Sigi_H said: A bit OT (exhausts)... but: Cool Downpipe. What is it made from? I made mine from a flexible stainless steel exhaust hose for trucks. The thicker hose made a huge difference. A lot more torque in low revs. I wrote an article in a german internet magacine about that. Here is the translation. https://www-explorermagazin-de.translate.goog/bauberi/defaus21.htm?_x_tr_sl=de&_x_tr_tl=en&_x_tr_hl=de&_x_tr_pto=wapp They’re clip together plastic segments so you can sort routing before making anything in steel. Quote Link to comment Share on other sites More sharing options...
Sigi_H Posted March 28, 2023 Share Posted March 28, 2023 14 hours ago, landroversforever said: They’re clip together plastic segments so you can sort routing before making anything in steel. Interesting if you want so produce a solid tube but sounds like a lot of welding. I really have good experiences with the flex hose for truck exhausts. Everything is unexpectedly tight an it is now 2 years and 50000km old. Quote Link to comment Share on other sites More sharing options...
frankoacoustics Posted March 28, 2023 Author Share Posted March 28, 2023 On 3/27/2023 at 7:12 AM, miketomcat said: Could you slim down the heater box from memory that end is just the cold air bypass around the matrix. It might get what you need, I never bother to use that function on ours I just turn the fan off and open the flaps in summer. Mike I did have a look inside ... it all looked a bit too specific to interfere with lol Quote Link to comment Share on other sites More sharing options...
frankoacoustics Posted March 28, 2023 Author Share Posted March 28, 2023 On 3/27/2023 at 8:53 AM, steve b said: Like this? In this case modified to allow fit/removal with the wing and manifolds in place. There is still air space inside it for cold air flow. Lol _ obviously it can be done then! the asthmatic mouse blowing down a straw wasnt exactly wonderful and being a softop, I'm hoping the diesel heater works better in the long run On 3/27/2023 at 8:53 AM, steve b said: Steve Quote Link to comment Share on other sites More sharing options...
frankoacoustics Posted March 28, 2023 Author Share Posted March 28, 2023 On 3/27/2023 at 9:34 AM, Sigi_H said: A bit OT (exhausts)... but: Cool Downpipe. What is it made from? I made mine from a flexible stainless steel exhaust hose for trucks. The thicker hose made a huge difference. A lot more torque in low revs. I wrote an article in a german internet magacine about that. Here is the translation. https://www-explorermagazin-de.translate.goog/bauberi/defaus21.htm?_x_tr_sl=de&_x_tr_tl=en&_x_tr_hl=de&_x_tr_pto=wapp So thats the former for the 15 degree pie cuts It will be stainless - but only because i want to and can at work - ill also make all the other pipework in stainless The new Holset turbo will flow significantly more than the standard and at 30-35 psi it will need as much free space as possible Quote Link to comment Share on other sites More sharing options...
Mo Murphy Posted March 28, 2023 Share Posted March 28, 2023 You could always take the heater box out entirely and replace it with a blown air heater in the cab. Mo Quote Link to comment Share on other sites More sharing options...
landroversforever Posted March 29, 2023 Share Posted March 29, 2023 10 hours ago, frankoacoustics said: Lol _ obviously it can be done then! the asthmatic mouse blowing down a straw wasnt exactly wonderful and being a softop, I'm hoping the diesel heater works better in the long run If a defender heater is asthmatic, there’s something amiss. They flow pretty well, they’re just prone to not being adjusted correctly and the bulkhead seal falling apart. 1 Quote Link to comment Share on other sites More sharing options...
landroversforever Posted March 29, 2023 Share Posted March 29, 2023 17 hours ago, Sigi_H said: Interesting if you want so produce a solid tube but sounds like a lot of welding. I really have good experiences with the flex hose for truck exhausts. Everything is unexpectedly tight an it is now 2 years and 50000km old. Can be done either way, pie cuts as mentioned so you weld lots of little sections or you can cut it from pre-bent sections of the right centre line radius. If it’s the latter then the visible bit in the picture is maybe 4 welds. Quote Link to comment Share on other sites More sharing options...
frankoacoustics Posted March 29, 2023 Author Share Posted March 29, 2023 22 hours ago, Mo Murphy said: You could always take the heater box out entirely and replace it with a blown air heater in the cab. Mo I think thats where im going - got a chinese diesel heater, heated seats and heated windscreen so might just use that instead an make my airbox I'm designing fit in the wing Quote Link to comment Share on other sites More sharing options...
frankoacoustics Posted March 29, 2023 Author Share Posted March 29, 2023 14 hours ago, landroversforever said: If a defender heater is asthmatic, there’s something amiss. They flow pretty well, they’re just prone to not being adjusted correctly and the bulkhead seal falling apart. as i said mine being a soft top - the heater doesnt do an awful lot and exhaust wise I a own a fabrication company so welding pie cuts isnt any more work for us 1 Quote Link to comment Share on other sites More sharing options...
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