I reply to every thread Posted January 10, 2005 Share Posted January 10, 2005 I'm mid way through winter mods which include dry sumping my VX XE. Engine should be circa 230bhpish with any luck. Caterham pan & pump but seperate tank which is basically the Pace/SBD tall but narrow tank that'll fit at end of footwell. Tank is about 3.25 litres capacity, so they'll probably be just over 4 litres in the system once it's filled. Is that enough? Car wil be used for road & occasional track days. Anyone else use this tank - any problems? Steve? Link to comment Share on other sites More sharing options...
StewartG Posted January 10, 2005 Share Posted January 10, 2005 I'm sure it will work fine but it sounds on the smallish side to me. I've always felt that a little more oil to do the lubricating work and dissipate the heat can't be a bad thing. Link to comment Share on other sites More sharing options...
Peter T Posted January 10, 2005 Share Posted January 10, 2005 I my oppinion it is not enough, the larger the capacity the better. More oil is preferential as it is able to absorb more engine friction ie heat, this is certainly a good thing for any high performance /upgraded engine especially if you intend to use it for track work. Why would you want to reduce the amount of oil that the manufacturer intended this engine to run with? More oil also can absorb a lot more particles and toxins given of by the combustion process, therfore enhancing engine life. Support the 7 Society...... Ehhh? Link to comment Share on other sites More sharing options...
stevefoster Posted January 10, 2005 Share Posted January 10, 2005 I put a big tank in at the time I DS'd. I thought I might use the car on Centrurian races or similar so the extra would be good (hang the extra oil weight). You can always go for a bigger tank later if you have space. Concerning the heat thing, a DS system is better than a Wet Sump where the oil is in contact with the heat sorce (engine) the whole time and WS is only about 4l so it should not be a problem. That said the VX WS pan has big cooling fins and is in the direct airflow. My road oil temps have dropped a bit DS vs WS. On track they are lower too. Hants (North) and Berkshire Area club site here My racing info site here Edited by - stevefoster on 10 Jan 2005 12:18:29 Link to comment Share on other sites More sharing options...
Chelspeed Posted January 10, 2005 Share Posted January 10, 2005 Works fine on mine but that's for sprints only. The longest event I do is 1.5 miles and oil temp is rising throughout the run even with a laminova cooler. I think if I was doing regular trackdays I'd want more. If it was occasional trackdays I'd want an oil temp gauge and keep an eye on it and back off if oil temps go over 100C. Link to comment Share on other sites More sharing options...
I reply to every thread Posted January 10, 2005 Author Share Posted January 10, 2005 That's kinda what I think. Temp gauge is a definite. Steve/Harry - any probs yet - do you run a gauge & if so wht sort of temps do you see on the way to Le mans say? Link to comment Share on other sites More sharing options...
Allen Payne Posted January 10, 2005 Share Posted January 10, 2005 Pace have a 5ltr tank which will fit in front of a shortened footwell Link to comment Share on other sites More sharing options...
I reply to every thread Posted January 10, 2005 Author Share Posted January 10, 2005 Shortened? ie without ANY extension? That was part of my reason for buying the tank I did - you can keep a bit of the extension.Anyone fitted a 5l tank with the caterham comp manifold? Link to comment Share on other sites More sharing options...
Jason Plato Posted January 10, 2005 Share Posted January 10, 2005 I have designed my own tank that holds 7 L sits on the scuttle and sinks into the bulkhead and down into the gearbox tunnel . no photos yet I'm afraid Link to comment Share on other sites More sharing options...
Harry Flatters Posted January 10, 2005 Share Posted January 10, 2005 Matthew, The only problem I had with the slim SBD tank was under certain circumstances it would vent too much oil into the catch tank. After much discussion with Steve (SBD) and Neil (Pace), a mod to the neck of the tank was made which has now cured the problem completely. Steve told me that this mod would be included in all new tanks. As far as temps are concerned, in normal robust running it is usually around 80-85 degrees. Track work will see these climb a bit but nothing frightening. I think the max recall on my Spa guage once showed around 105 degrees. *arrowright*Harry Flatters *arrowright* AKA Steve Mell - Surrey AO and Su77on Se7ener Link to comment Share on other sites More sharing options...
Jason Plato Posted January 10, 2005 Share Posted January 10, 2005 Temp of the oil is one consideration. The larger the volume of oil , the longer the time avaialble for the air to seperate . I always thought the 4.5L belltank was too small for the 1600/1800K , hence why I will be running 7 L with 1900cc . Dave Link to comment Share on other sites More sharing options...
I reply to every thread Posted January 10, 2005 Author Share Posted January 10, 2005 Steve - I have that mod & if you get on fine with it I think I'll stop worrying Link to comment Share on other sites More sharing options...
I reply to every thread Posted January 10, 2005 Author Share Posted January 10, 2005 PS - You don't run an oil rad do you? Link to comment Share on other sites More sharing options...
Harry Flatters Posted January 10, 2005 Share Posted January 10, 2005 No oil cooler just the system as supplied by SBD/Pace. *arrowright*Harry Flatters *arrowright* AKA Steve Mell - Surrey AO and Su77on Se7ener Link to comment Share on other sites More sharing options...
Irrelevant Posted January 10, 2005 Share Posted January 10, 2005 The docs that came with my Hayabusa DS kit stated than a MINIMUM of 5L of oil should be in the tank when the engine's running. Seems a lot but they made quite a big point of it . No longer after a 3.14 diff. Link to comment Share on other sites More sharing options...
Mike Biddle Posted January 11, 2005 Share Posted January 11, 2005 I have this tank on my 225HP VX and have run the car in this form for several years now including long hard motorway type driving at 7000 rpm +, sprint type driving, and recently two trackdays on the new circuit here, the last one being five X 20 minute sessions. No problems, no high oil temps, 90C max. I do have a cooler, but also remember that ambient is relatively high here in Dubai. Link to comment Share on other sites More sharing options...
I reply to every thread Posted January 11, 2005 Author Share Posted January 11, 2005 That's comforting Mike! Link to comment Share on other sites More sharing options...
k.russell Posted January 11, 2005 Share Posted January 11, 2005 removed the footwell on mine and fitted the 5L split pace tank(JPE manifold), seems to take just under 5L of oil when running, any more and it seems to vent to the catch tank as Harry says(only on track), did see the modification to the filler neck on the red Busa( Mr Griffith, i think), and I plan to modify my tank to this spec.Think Mr Wong also had a large tank made to fit over the gearbox, and remember him saying to me he was concerned about the capacity of his first tank, this was also over the tunnel I think.I have a QED sump and caterham style scav pump using the uprated internal engine pressure pump. Edited by - k.russell on 11 Jan 2005 17:59:52 Link to comment Share on other sites More sharing options...
Normans_Ghost Posted January 11, 2005 Share Posted January 11, 2005 The tanks that fit in front of the footwell usualy have a baffle half way down. The tank usualy splits in half for cleaning. If you have one of these fill to about 2" below the baffle. The idea is that the oil is returned to the tank the runs down the side, across the baffle and into the lower tank thereby removing the air from the oil. Check the level with engine running. My Caterham supplied tank holds about 6 litres. I have riveted a tab on one of the holes in the baffle so I can see when the leval is 2" below the baffle as it's difficult to judge. If you are opening the tank to clean use a lint free cloth. You do not want the bits from a yellow duster mixing in the oil. Another issue is oil coolers with DS. I've got an oil cooler and a oil thermo unit. The oil doesn't go through the cooler till 80c. The gauge has nevr gone over 80c and then only when hammering at the Brize Norton speed thingy. I guess an oil cooloer is not needed unless car is used for hard competition. Norman Verona, 1989 BDR 220bhp, Mem No 2166, the full story here Link to comment Share on other sites More sharing options...
Peter T Posted January 11, 2005 Share Posted January 11, 2005 Mike, what diff ratio have you got if you do motorway miles at 7000+rpm, or can you drive flat out everywhere there ? Support the 7 Society...... Ehhh? Link to comment Share on other sites More sharing options...
k.russell Posted January 11, 2005 Share Posted January 11, 2005 norman, good idea that, always struggle to check the levels,was running about an inch below the baffle, but it did chuck out on multi laps at curborough, i had dropped the level and it then did seem ok, it was something i was keeping my eye on, may weld on a boss to check temp at a later date. Link to comment Share on other sites More sharing options...
k.russell Posted January 11, 2005 Share Posted January 11, 2005 Norman, looking at yor site, your tank looks set up same as mine, and think mine takes just under 6L not 5Las I said earlier. Link to comment Share on other sites More sharing options...
Jason Plato Posted January 12, 2005 Share Posted January 12, 2005 In my garage I have the tank that Alex had sat in the bulkhead - it carried 4L of oil . Dave Link to comment Share on other sites More sharing options...
Mike Biddle Posted January 12, 2005 Share Posted January 12, 2005 Peter, 3.92 diff, Quaife six speed sequential with the highest available six gear ratio. Don't have my gearing figures here at the moment, but thats moving a bit. Yes, we can run like that here, not legal, but nobody cares. There are speed traps close to cities, but through the desert its a free for all. One time while doing this along with some bikers, my altenator fan split in two, one piece fracturing the nosecone, and the other going out through the sideskin. Link to comment Share on other sites More sharing options...
Peter T Posted January 12, 2005 Share Posted January 12, 2005 Mike, that must be nice to have the option of your own private race track Do the AA & RAC recover vehicles in your desert? or is it a long walk home. ☹️ Support the 7 Society...... Ehhh? Link to comment Share on other sites More sharing options...
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