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Right.. The Audi has been taxed since the start of the month and has been used everyday by me to get to work, a short trip of only a 3 miles or so. Its easier going over short distances to sort out any bugs assosiated with a "new" car or an LPG conversion and I don't want a phone call from the wife telling me its broken down on her miles from home.
To start with the car wouldnt run on LPG until the engine had fully warmed up so on short trips it was impossible to use the LPG system at all. This was a bit of a pain as to switch from petrol to gas you have to turn the petrol off, wait for the engine to use all the petrol in the carb and cut out then switch to gas and hope the engine was hot enough to run on it- if not it was back to petrol until it was hot enough!
I studied the carb and came to the conclusion that the choke flaps would obstruct the flow of gas from the mixer, seeing as it was "upstream" from the carb in the air intake. The coolant controlled autochoke would open the choke flaps and remove the obstruction when the engine was hot enough, meaning the gas could get through. I took the top off the air filter housing and carefully removed the twin choke flaps being careful not to drop the small screws inside the engine. Hey presto! the old VW lump now starts easily from cold on gas and runs a treat! No choke flaps means it wont start from cold on petrol so the ideal solution would be to replace the choke flaps and convert the carb to manual choke.
After a week or so using the Audi for work and pottering about I was so impressed that I decided to chance a trip down to London to with the wife and a couple of mates to see the Foo Fighters at Wembly. A "breakdown" would result in a missed concert and a divorce, not to mention a beating from my mates. My breakdown cover had also expired just to add an extra element of danger.
I'm very pleased to say that we had no problems at all, the Audi wafted us there and back in total comfort and apart from the vaporiser needing a tweak to cure the occasional flat spot the old motah never missed a beat. It used about a tank and a quarter of gas and I'm going to work out what the MPG is exactly but it really made a difference filling up at 59p a litre! The old bomber even got a few admiring glances and was bigged up by a bunch of middle aged Germans at Stafford services on the way home. As they were watching me refuel I glanced up at them and banged my head on the open tailgate. Not one of them batted an eyelid- proof that Germans have no sense of humour!
Out on the open road the bus has pretty good road matters, it handles well for such a large car and cruises along at 80 with just a tickle on the throttle pedal. Its nice a quiet too with hardly any engine or wind noise and no rattles anywhere. The fears I had over the small engine have dissapeared. Overall I'm well pleased, so much so I may treat the bomber to a course of rust treatment for the small areas affected, fill a light scrape on the bottom of the passenger doors and give it a lower body respray to make it mint.
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Last Edit: Jun 8, 2008 10:50:42 GMT by Lankytim
1987 Maestro 1.6 HL perkins diesel conversion 1986 Audi 100 Avant 1800cc on LPG 1979 Allegro Series 2 special 4 door 1500cc with vynil roof. IN BITS. HERITAGE ISSUES.
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glad to hear its proving a good motor for ya, personally I love older audis!
any luck on the alloy front?
dan
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Last Edit: Jun 8, 2008 11:39:14 GMT by mortcars
'90 Audi B3 Coupe 2.3 Auto [gone] '92 Audi S4 Avant 2.2 AAN Turbo Auto [gone] '93 Audi 80 Avant 1.9TDi [gone] '96 Audi A4 Avant 2.6 Quattro [gone] '97 VW T4 1.9td LWB [gone] '03 Skoda Octavia 1.9TDi [gone] '05 VW T5 Shuttle LWB 1.9TDi '15 VW Caddy Maxi Kombi 1.6TDi
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Yeah, Ive become a bit of an old Audi convert. Ive gone from total indifference to actually liking them. Thanks RR for broadening my motoring tastes! Ive got some 10 spoke Audi alloys in the shed, stripped ready to be refurbed but I'm just waiting for the right time to have them done. I'm not made of money you know! Id love a set of 15inch slotmags or similar, but I guess theyd be pretty rare and probably look curse word anyway. Ive completely removed the autochoke mechanism as even though the choke flaps had been removed and there was no actual choking effect the autochoke mechanism was still applying a little throttle on start up resulting in a racing idle until warm. Embarrasing when waiting at traffic lights! Hopeully this problem has now been fixed. Long term I want to fit a manual choke. Were any conversion kits made? Ive also taken a whole raft of photos but the USB cable for my camera seems to be broken and I cant get them onto my computer. Bah!
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1987 Maestro 1.6 HL perkins diesel conversion 1986 Audi 100 Avant 1800cc on LPG 1979 Allegro Series 2 special 4 door 1500cc with vynil roof. IN BITS. HERITAGE ISSUES.
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Sept 21, 2008 11:03:47 GMT
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UPDATE UPDATE! Bit of a non event I'm afraid, and not a very happy story. The cambelt tensioner went, killing the head so Ive soucrced a 2 litre engine from an audi 80 and converted it to fit the 100's ignition and breather system using a kit designed for VW golfs. I wasnt too keen on attempting the swap at home as in my experience anything more difficult than a service seems to take months to complete if I attempt it myself, not to mention the huge amount of mess it creates. Relations with the neighbours have been tense recently as they seem to think I have too many cars and make too much noise so to avoid any more neighbourly calamities I tracked down a mechanic willing to do the job. The garage where my employer stores his lorries said they were willing to do the swap for £150, which seemed very reasonable. I dropped the Avant round with the new engine in the boot. Apparently its 2 days work max. To date no work has been carried out and its been there about a month! 2 days my bottom! Anyway, the MOT and TAX and insrance are ebbing away and I'm desperate to get this back on the road and away from the crusher, which is where it will go if it isnt done quickly. I'm getting very intoxicated off with it! I'm considering swapping the damaged head myself (this is a job I think I could attempt with a reasonable chance of success). Ill save the "new" engine for another day. Id love 2 litre power as the 1800 is a bit slow in the Audis big shell. Ive tracked down this rebuilt and ported head on ebay, cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=120307763422&fromMakeTrack=true&ssPageName=VIP:Watchlink:middle:ukI'm very tempted to buy it now and wang it on for some quick hit road going satisfaction. Id have to block up the injector holes but thats no problem and I could stick it on my 2 litre bottom end when I eventually stick that it. God I HATE mechanics. Atleast its now spoting a nice set of 15inch steet octane alloys I bagged from Ebay. They look pretty good, I really should take a pic or two.
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Last Edit: Sept 21, 2008 11:06:57 GMT by Lankytim
1987 Maestro 1.6 HL perkins diesel conversion 1986 Audi 100 Avant 1800cc on LPG 1979 Allegro Series 2 special 4 door 1500cc with vynil roof. IN BITS. HERITAGE ISSUES.
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Sept 22, 2008 1:20:05 GMT
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hmm yes, get it back from the mechanics PRONTO! if they don't do what they say they will, avoid. i had the same kind of situation go from £400/a month to £690/5 months/still not running. Escape.
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Sept 22, 2008 10:26:24 GMT
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Just thought i would add, we have a audi 80 1.8S that has a carb and manual choke, not sure if the cable and mounting bits will transfer over but it will be a good starting point!
Hope you can get the car fixed, love our audi to bits parts are so cheap (when not brought from Audi) and its been really reliable! Am looking for a set of door locks at the mo as some f**ker broke into my house and stole among other things our main set of car keys and transponder for the alarm. It was fun trying to get to unimobilse without a transponder!
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Sept 29, 2008 16:28:20 GMT
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The garage is moving next weekend as the yard they rent with us is going to be used entirely for storage. Interrogated the guy who was going to do the work and hes finally admitted hes not going to do the engine swap!
Its coming home this week and I'm hopefully going to have a replacement head for it from the bay soon. 2 litre powah will have to wait.
Feck the neighbours, feck everybody! I'm going to have that mofos engine in bits until its back on the road!
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1987 Maestro 1.6 HL perkins diesel conversion 1986 Audi 100 Avant 1800cc on LPG 1979 Allegro Series 2 special 4 door 1500cc with vynil roof. IN BITS. HERITAGE ISSUES.
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Sept 30, 2008 20:17:46 GMT
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Ok, won the ebay recon head, paid via paypal but not heard anything from the seller?
Please don't stiff me on the head mr seller!!
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1987 Maestro 1.6 HL perkins diesel conversion 1986 Audi 100 Avant 1800cc on LPG 1979 Allegro Series 2 special 4 door 1500cc with vynil roof. IN BITS. HERITAGE ISSUES.
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Oct 26, 2008 19:36:27 GMT
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UPDATE AND A LITTLE ACTION! This arrived the other day, No more excuse making now, so I got cracked on with taking the stricken audis engine to bits. I was surprised on how easily it all came apart- theres loads of room around these engines. Anyway I removed the old head and found no obvious damage to the valves or pistons..... Strange, although I guess the damage doesnt have to be visable with the valves still in the head for it to loose compression. Some of the valves have quite a bit of rust on them too. The good news is the bores have no wear lip and its still easy to see the honing marks on the cylinder walls. 145k and still in good nick, yay Audi All thats left to do is order all the sundries I need and fit the uprated/reconned head. Shouldnt take too long, although finding the time to do it is a problem in itself. Surely I cant be the only one who can never find time for these sort of jobs? Oh... note to self. Protect the block paved drive in future.... Anyway, further updates will follow soon-ish. Bet you cant wait.
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1987 Maestro 1.6 HL perkins diesel conversion 1986 Audi 100 Avant 1800cc on LPG 1979 Allegro Series 2 special 4 door 1500cc with vynil roof. IN BITS. HERITAGE ISSUES.
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Oct 26, 2008 20:00:29 GMT
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LOL, excellent use of titanium there.
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1974 Lancia Beta Saloon 1975 Mazda 929 Coupé 1986 Mazda 929 Wagon 1979 Mazda 929 Hardtop 1982 Fiat Argenta 2.0 iniezione elettronica 1977 Toyota Carina TA14 1989 Subaru 1800 Wagon 1982 Hyundai Pony 1200TL 2-dr 1985 Hyundai Pony 1200 GL 1986 Maserati 425 Biturbo 1992 Rover 214 SEi 5-dr 2000 Rover 45 V6 Club 1994 Peugeot 205 'Junior' Diesel 1988 Volvo 760 Turbodiesel Saloon 1992 Talbot Express Autosleeper Rambler 2003 Renault Laguna SPEARS OR REAPERS
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mclellanmac
Posted a lot
Hand me the hammer and the WD40
Posts: 1,178
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Oct 27, 2008 16:07:52 GMT
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Looking forward to seeing this up an running again, need something like this myself, planning a little jaunt to Italy, slammed 1.1 golf not really up to the job! lol
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Mercedes 190e, Lovely
MK4 Golf GTi 20v Turbo, Dull, but always works!
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filmidget
East Midlands
Mostly Lurking
Posts: 1,652
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Oct 27, 2008 16:56:18 GMT
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Was wondering what had happened to this old barge. Hope it doesn't defeat you... as you say they are pretty straightforward... but if it does don't crush it as myself or a mate would be very interested
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'79 MG Midget 1500 - Still patiently awaiting attention '02 Vauxhall Astra 1.8 Elegance(!) - Better than you might think '03 Mazda MX5 - All new and shiny looking (thanks to Antony at Rust Republic) '09 Renault Clio - Needs to go.
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Oct 27, 2008 17:29:47 GMT
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I couldnt crush it..... If you knew how much money it owed me youd understand!
Its a nice car, very comfortable and great on the motorway, plus its something different. Its worth getting up and running again just for those reasons!
Theres a "new" engine in the boot, plus two heads and other bits so its nicely lowered. I'm not a lowering freak but it does look hard as nails..... Hummm..
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1987 Maestro 1.6 HL perkins diesel conversion 1986 Audi 100 Avant 1800cc on LPG 1979 Allegro Series 2 special 4 door 1500cc with vynil roof. IN BITS. HERITAGE ISSUES.
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Right.. Ive had a productive day today. We were going to Llandudno but by the time wed thought about it and had a cup of tea it was too late, so Mrs LankyTim popped up Asda in Crewe to empty of it of £3 jeans for me to use for work. they're great but I keep splitting the crotches! Anyway I digress... This left me with a bit of spare time to work on the Audi. The combustion chambers and pistons were well cacked up with carbon. The old 100 had a problem with running on and I'm guessing it was the chunks of carbon glowing red hot on top of the pistons and igniting the fuel in the cylinders. With the help of Barry Scott and his ingenious product I scrubbed the piston CROWNs clean, the pistons showed no signs of valve damage BTW! After id finished with the pistons I cleaned all traces of the old HG from the block using a brass wire brush. The block looked to be in good condition with very little rust or pitting. Time to move onto the head... I bolted on the manifolds with the head off as it gave much better access to the studs and bolts then timed everything up and bolted it to the block with a nice new HG. I finally got chance to use the torque wrench I stole from my dad! Ill need to block off the injector holes as the 100 is a carbed model. Perhaps I could just stick in some old injectors to seal the holes up? Ive bolted up the exhaust and connected up the cooling system. All ive got to do now is sort out the weber carb although I may return it to the original zenith carb as its easier to get a gas mixer to fit, to get the weber connected up to gas ill have to make an air box to suit. Not sure if I can be ar$ed! Anybody know what kind of carb this is? Ive whacked a belt on with a new tensioner (yep, I invested in a brand new one!) and tuned it over to make sure everythings ok, which it seems to be. Not far to go now!
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Last Edit: Nov 1, 2008 21:47:14 GMT by Lankytim
1987 Maestro 1.6 HL perkins diesel conversion 1986 Audi 100 Avant 1800cc on LPG 1979 Allegro Series 2 special 4 door 1500cc with vynil roof. IN BITS. HERITAGE ISSUES.
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mrj
Posted a lot
Posts: 1,662
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yes, old injectors will do ! But i'd replace the rubber rings on the injectors, to be 100% in the safe side....
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- 1971 VW 1600 TL Fastback - 1978 Passat GLS Variant - 1980 Audi 100 5E - 1981 VW aircooled panel van (sold) - 1983 VW Jetta Mk.I - 1984 VW Polo Coupé - 1984 VW Passat hatchback - 1987 VW Passat Variant - 1987 VW Passat hatchback - 1988 VW T25
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qwerty
Club Retro Rides Member
Posts: 2,410
Club RR Member Number: 52
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1986 Audi 100 Avantqwerty
@qwerty
Club Retro Rides Member 52
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Nice work!! That 4 pot looks so diddy in that mammoth engine bay!
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gtxtra
Part of things
Posts: 491
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love this - always throught the avant of this era look a bit like a mk2 rocco stretch/limo!
hope the engine work progresses well.
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91 Scala, 87 GTX 16V, 87 GTX BRM 152, 85 GTL, 81 GTi
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murran
Part of things
Posts: 610
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nice good bus there, but with out the 2.2 5 cyl sound track and the struggling for traction in 3rd, its only half what it should be!
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filmidget
East Midlands
Mostly Lurking
Posts: 1,652
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Have a search for methods of blocking injector holes off - I have dim memories of VW gearbox filler plugs fitting, and people sticking pennies down the holes.
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'79 MG Midget 1500 - Still patiently awaiting attention '02 Vauxhall Astra 1.8 Elegance(!) - Better than you might think '03 Mazda MX5 - All new and shiny looking (thanks to Antony at Rust Republic) '09 Renault Clio - Needs to go.
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Erhm, fill the holes with Nitro-injectors , you never know if they'll come in handy LOL
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Social hand grenade. Does not play well with others.
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