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Well , even with the timing as i wanted it , and then on 10d retarded , it's still kicking back , it may be this starter is a bit poorly ....
in other news , i spent yest morning scouring the local factors for sensor safe sealant , and finally got some in oxford at cr marks , however , it then occured to me , what if it all melts and ruins my "heavenly rainbow snakes resting" (thats the "i ching' name ) exhaust pipes ? making them all scummy ..... oh the horror !
So i got a couple of bits of old Ti pipe , gooped them together , and left them in the vice , and this morning i will heat them to within an inch of their lives and see what the sealant does ...
if its ok i will take off the whole system , and weld pinholes and goop the slip joints .
CO gas poisoning research continues , with the doors open and me forgetting to get the extraction on properly , 5m saw the CO at 210 ppm . with the system extracting and doors open and over head fans on , 5m saw 160 ppm. obviously a lot of CO coming out of all the joints .
in 5m it is all back down to under 70 ppm after shut off.
NOW ,it occurred to me , since i still seem to have cylinder 5.. E2.... running poorly , and i don't know if its rich or lean ,I am , since i have the whole system off , going to film the engines running with no pipes on at all , so i can see what colour flame ,with all the lights off , comes out of that cyl ,hold my breath for the duration then run out of the cave .
fun fun fun .
regards robert.
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Jan 11, 2019 10:02:01 GMT
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wouldn't a Gunson's Colourtune be safer
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Jan 11, 2019 10:15:42 GMT
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Yeah, but the video wouldn't be half as cool
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Jan 11, 2019 10:38:47 GMT
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wouldn't a Gunson's Colourtune be safer But where's the fun in that, we want to see/hear a straight 12 bellowing loudly and spitting flames , make sure you have a good microphone Robert!!
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Jan 11, 2019 10:57:58 GMT
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mk2cossie
Club Retro Rides Member
Posts: 3,038
Club RR Member Number: 77
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Jan 11, 2019 13:52:55 GMT
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Aaahh, yes, hadn't had my second cup of tea .... got visions of Robert shinging his eyebrows when he bends down to look for the second time
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Jan 15, 2019 17:38:14 GMT
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Bicester scramble video
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Jan 15, 2019 19:22:00 GMT
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Warm fire ✅
Lazing cat ✅
Medusa and Robert ✅
Mini Road Trip ✅
Camera ✅
So that’s how Robert meets beautiful, exotic girls....
Asking them to push his button, in public, in service stations.
Very Cool vireo, love the Tango soundtrack, thanks.
Love the in shed consternation and enthusiasm. As you say, polite people.
The little Black Lines Matter section made me laugh out loudly here with Harley looking up as if to say WTF ??
28 litres, 18 quid..... cheap.
Home in one pice ✅
Reverse and park up ✅
Thank you ®️
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Jan 15, 2019 20:34:35 GMT
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Nice video! In the hangar i saw again how good the car looks. Others have to show up in a very special car to get as much attention as you get. Your fuel economy is not too bad. My rover P5B uses 1 liter LPG every 5km and that is only a 3,5 liter V8
Peter
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Last Edit: Jan 15, 2019 20:36:30 GMT by petervdv
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Oh Grizz ! brilliant reply , thank you Peter ,thank you , yours works out to 14 mpg ? , that seems very high too , but looking a the quality of your work i would imagine you have it all running as best it can ign timing and fueling wise . regards robert
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Jan 16, 2019 20:08:28 GMT
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Well a full week so far ! started on the pin holes on the pipes , took the system off ... welded up holes .. polished them flush , then welded the slide in tube splits .. filed down the weld through , on each tube , and then was ready to get it all siliconed onto the heads , bolted up both manifolds , and was all set to put the pipes on ,,then had a quick check of the timing marks , on the front pulley , i found that the engines were 20 degrees out of phase , which would have been fine , except they were supposed to be 42 degrees.. had a look at the connecting hub ... yup , that's the centre hub bolt all undone n stuff. that took me to here ... then i tried to get the hub off.. that was done up to thread stripping point , then heated up with a blowtorch ,and it was NOT coming off . my theory is that the kicking back has shocked the bolt loose ,then the hub has spun about 5mm , then welded /locked onto the shaft , one thnig is for sur its on there well and good now ....my plan is to put the bolt back on , with loctite , and do it up very tight , then put it all back together . oh there was one slight problem getting it all apart , one of the m12 10.9 capheads would not come undone , in fact it stripped its hex , so i had to do this .. slotted then ground away the side of the nut until i could chisel it off and the bolt would turn .now , something i was not happy about as i now had a change in the cam phasing , from my choice of 42 , down to far less , this was not what i wanted Godammit , but i could not change the hub position , on the rear engine ...what to do ? did a load of measuring stuff...and my phasing now was actually 10 degrees . I worked out that , if the no1 flywheel has 8 bolts , then that's 45 degrees per step ...now , if i moved it one step anti clock ,that would take its donut hole ,which was 42d anti clock , to 87 degree a/c.... then the next mounting bolt hole, for the rear hub , would be 87d-60d(the gap between the bolts ) =27 degrees anti clock ... my no2 hub was 10d c/w , so i would have to move it 10+27 = 37d to get it to line up ...so now ,whereas my original design had engine 1 cyl 1 fire , then e2 cyl 1 42d later , now i had e2 cyl 1 fire then e1 cyl 1 fire 37 degrees later . Next was to stop the kicking back through the coupling , my plan is to start on e1 , then have a button on the dash that feeds e2 ignition. now waiting for bolts etc to put it all back together . regards robert.
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Last Edit: Jan 16, 2019 20:11:38 GMT by ivanhoew
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Jan 16, 2019 21:24:55 GMT
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Peter ,thank you , yours works out to 14 mpg ? , that seems very high too , but looking a the quality of your work i would imagine you have it all running as best it can ign timing and fueling wise . It could also be 1 lit LPG every 5,5 or 6 km. Here in Holland we have a lot of classic Range Rovers running on LPG and my numbers are rather common. The Rover weights approx 1800kg so it is a heavy beast. I guess timing and fuelling is oke as it starts very well on LPG with the current low temperature Peter
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Jan 16, 2019 21:28:23 GMT
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Erm yes sounds about right...
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Jan 17, 2019 19:35:34 GMT
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Peter ,thank you , yours works out to 14 mpg ? , that seems very high too , but looking a the quality of your work i would imagine you have it all running as best it can ign timing and fueling wise . It could also be 1 lit LPG every 5,5 or 6 km. Here in Holland we have a lot of classic Range Rovers running on LPG and my numbers are rather common. The Rover weights approx 1800kg so it is a heavy beast. I guess timing and fuelling is oke as it starts very well on LPG with the current low temperature Peter Yes my range rover does around 14mpg on LPG.
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kevin,what does it do on petrol ?
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Jan 18, 2019 12:48:41 GMT
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kevin,what does it do on petrol ? It does around 16mpg on petrol (its 1 3.5 efi 4 speed auto) kevin
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Jan 19, 2019 11:15:42 GMT
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Which is why typically in these sorts of installations the nose of the crank eventually falls off. can you show me the information source for that ds ?
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Last Edit: Jan 19, 2019 11:16:20 GMT by ivanhoew
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Jan 20, 2019 20:05:13 GMT
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Well the plot twists and turns with no end in sight ... dirty engine . sllghtly cleaner engine .. well that's not very twisty i hear you all shout (well the two people still tolerating my blithering drivel)? How about this can of albino lemmings then... got my degree disc on there , and my dial gauge .. And graphed the cam profile (just in case , this is where you put valve lift on the side of the graph and degrees of crank rotation on the x axis or "bottom"as its also known ) Then you slowly rotate the crank ,measuring the duration every 0.1mm or so ... well , with the cams in the correct position for the timing marks to line up , they are ,..... ready for it ... NINE DEGREES RETARDED !!!!! ......!!!!! i have not run a simulation with this setting yet , but ,having designed cams for all sorts of odd stuff , i can tell you this is bad . i tested it on opening and closing numbers ,and also on peak lift ,which should be 112 ex and 112 in , and was actually 103 ex and 121 in . the effect of this would GENERALLY be greatly reduced low rpm trq , and in this case ,prob reduced trq all the way through ,although there might be a tipping point at around 8500 rpm lol.. oh also tickover and starting would be worse ... luckily they are splined to the sprockets ,so i will try not to drop anything down the hole while adjusting them , i may put them in a couple of degrees advances , but that depends on if any piston to valve clearance affects it , it shouldn't since i had around 5mm clearance on the inlets, and 1mm lift is over 10d on the opening ramps . Oh boy these engines must have varied a lot in bhp as new ! some modern engines run retarded cam timing to help with emissions , but apparently this engine should be straight up 112 112 . regards robert
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Last Edit: Jan 20, 2019 20:10:12 GMT by ivanhoew
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Jan 20, 2019 20:25:46 GMT
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WELL THAT'S NOT VERY TWISTY.
Oh, wait.
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Jan 20, 2019 20:59:16 GMT
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WELL THAT'S NOT VERY TWISTY. Oh, wait. There's one ! ^^^^
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