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    Thread: Granite's 1982 Scirocco Update Thread

    1. Member Granitethewolf's Avatar
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      09-25-2009 06:34 PM #176
      Got the new cat installed on the rocco. I was surprised when I saw through the old one, it was only partially blocked but otherwise still usable. The new cat seemed like it helped with my slight hesitations and misses.

      Ridin' W/ Granite!

      Yea I know its a crappy angle, I should have raised the seat up all the way for the camera but oh well. I usually drown out that buzzer with my radio XD Stupid faulty oil pressure circuit.

      When I got home I also put in a new air filter and I bought some new spark plugs too that I have yet to put in. I have a feeling my Bosch Platinum +2's are not right for it.

      Last edited by Granitethewolf; 12-21-2011 at 04:30 PM.

    2. Member Granitethewolf's Avatar
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      09-26-2009 08:27 PM #177
      Well the rocco now has a full matching set of the oem VW "tarantula" alloys. I got a new tire put on the 4th and put the spare back in the hatch

      As for my DD Sable, I changed the outer tie rod ends with a little guidance from a mechanic friend.


    3. Member Nataku's Avatar
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      09-26-2009 08:37 PM #178

    4. 09-26-2009 11:03 PM #179
      have I told you today,how much I like your car?

    5. Member Granitethewolf's Avatar
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      09-26-2009 11:17 PM #180
      Quote, originally posted by Rocc__On »
      have I told you today,how much I like your car?

      Now your have! Thanks

      God im so bored....bored enough that I took some Purple Power and cleaned the whole underside of the hood and also cleaned some random engine parts

      I also discovered a sticker on the gas cap cover that says Oktan min. 91 ROZ/RON! Im guessing that means a minimum octane rating of 91? Ive been feeding the rocco nothing but Premium (91 Octane) fuel since ive had her.


    6. 09-26-2009 11:28 PM #181
      Quote, originally posted by Granitethewolf »
      God im so bored....bored enough that I took some Purple Power and cleaned the whole underside of the hood and also cleaned some random engine parts

      I also discovered a sticker on the gas cap cover that says Oktan min. 91 ROZ/RON! Im guessing that means a minimum octane rating of 91? Ive been feeding the rocco nothing but Premium (91 Octane) fuel since ive had her.

      Usually the 16V's run on a higher octane.....we'll have to call in the experts on that one.....it is just a recommendation tho' by the sticker.

      and you are welcome...I like your car and the effort you are putting into reviving this car...your giving this kid inspiration...it's so tough somedays with owning a house and all...


    7. Member vwdaun's Avatar
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      09-26-2009 11:37 PM #182
      Quote, originally posted by Rocc__On »

      Usually the 16V's run on a higher octane.....we'll have to call in the experts on that one.....it is just a recommendation tho' by the sticker.

      There are two different methods of computing Octane... RON 91 = the U.S. pump 87.


    8. Member Granitethewolf's Avatar
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      09-26-2009 11:40 PM #183
      Quote, originally posted by Rocc__On »

      Usually the 16V's run on a higher octane.....we'll have to call in the experts on that one.....it is just a recommendation tho' by the sticker.

      and you are welcome...I like your car and the effort you are putting into reviving this car...your giving this kid inspiration...it's so tough somedays with owning a house and all...

      Thanks, and my rocco is an 8v just to be clear I was told by a mechanic that running 91 octane shouldn't hurt a thing, he said its a VW and in Germany the lowest fuel octane rating they have IS 91 lol.

      Calling yourself a kid? I'm only 21 so im pretty much a kid too


    9. 09-26-2009 11:45 PM #184
      Easy to remember tip.

      High compression high octane.
      Low compression low octane.

      TEAM DHE/FAST 76 KARMANN 8V FSP MK1 SILVER SCIROCCO 2X 08,9,10,12,13 & 14 regional champ.
      TEAM DHE/FAST 1980 KARMANN 8V FSP MK1 RED SCIROCCO 04 & 07 regional champ.
      1987 KARMANN 16V MK2 SILVER SCIROCCO
      Parts--> http://www.parts4vws.com Need Wax?--> Mother's

    10. 09-26-2009 11:50 PM #185
      There you go right there from the most experienced 'Rocco driver's and racer....

      and yes......I still considerer myself a kid...it keeps me young...ha ha ha


    11. Member Granitethewolf's Avatar
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      09-26-2009 11:52 PM #186
      Quote, originally posted by Doug T »
      Easy to remember tip.

      High compression high octane.
      Low compression low octane.

      Doesn't really answer the question of will 91 octane have hazardous results on my ol 82? My engine doesn't ping or sound any different then if I feed it the low octane. It almost seems to run better on 91.


    12. 09-26-2009 11:55 PM #187
      Correct me if I'm wrong but I believe the 1.7 is a higher compression engine that likes to rev.......way more than the 1.8,the 1.5 and 1.6 sure do......

    13. Member Nataku's Avatar
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      09-27-2009 12:13 AM #188
      I run 87 or whatever is the cheapest at the pump in my 8v and have ever since I've owned it. Doesn't hurt one bit...

    14. 09-27-2009 12:17 AM #189
      Quote, originally posted by Granitethewolf »

      Doesn't really answer the question of will 91 octane have hazardous results on my ol 82? My engine doesn't ping or sound any different then if I feed it the low octane. It almost seems to run better on 91.

      Rule of thumb.

      Engine Code EN
      Displacement (cc) 1715
      Bore (mm) 79.5
      Stroke (mm) 86.4
      8V Mechanical
      CR 8.2:1 Low
      HP 74@5000
      Torque 90@3000
      Injection K-Jetronic

      91 will not hurt your motor if you have a 1.7 low compression stock US spec MK2 Scirocco motor. You are just throwing your money away. You may get better performance with lower octane. You may need to replace a few things if you think 91 is working better.

      TEAM DHE/FAST 76 KARMANN 8V FSP MK1 SILVER SCIROCCO 2X 08,9,10,12,13 & 14 regional champ.
      TEAM DHE/FAST 1980 KARMANN 8V FSP MK1 RED SCIROCCO 04 & 07 regional champ.
      1987 KARMANN 16V MK2 SILVER SCIROCCO
      Parts--> http://www.parts4vws.com Need Wax?--> Mother's

    15. 09-27-2009 12:20 AM #190
      Doug's the best....
      There's your answer.....

    16. Member Granitethewolf's Avatar
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      09-27-2009 12:28 AM #191
      Quote, originally posted by Doug T »
      91 will not hurt your motor if you have a 1.7 low compression stock US spec MK2 Scirocco motor. You are just throwing your money away. You may get better performance with lower octane. You may need to replace a few things if you think 91 is working better.

      Ah, I was just highly recommended to use 91 octane for a while to help "wake up" my engine & clean out the fuel system. Cant forget that my Scirocco sat for 5 years neglected in a back alley. Ill have to try some lower octane fuel with my next fill up and see if there's much of a difference. Thanks for the info


    17. 09-27-2009 12:37 AM #192
      Quote, originally posted by Granitethewolf »

      Ah, I was just highly recommended to use 91 octane for a while to help "wake up" my engine & clean out the fuel system. Cant forget that my Scirocco sat for 5 years neglected in a back alley. Ill have to try some lower octane fuel with my next fill up and see if there's much of a difference. Thanks for the info

      This is what I would do:

      1) Get rid of all the gas that is old. run new gas with cleaner in it.
      2) Clean out your injectors.
      3) Replace the valve that is on the tank vent line near the fuel filler.
      4) Replace your fuel filter.
      5) Replace your pick up screen (stopper) inside the tank.
      6) Replace your fuel pump (when it quits or make lots of noise).



      Modified by Doug T at 8:39 PM 9-26-2009

      TEAM DHE/FAST 76 KARMANN 8V FSP MK1 SILVER SCIROCCO 2X 08,9,10,12,13 & 14 regional champ.
      TEAM DHE/FAST 1980 KARMANN 8V FSP MK1 RED SCIROCCO 04 & 07 regional champ.
      1987 KARMANN 16V MK2 SILVER SCIROCCO
      Parts--> http://www.parts4vws.com Need Wax?--> Mother's

    18. Member Granitethewolf's Avatar
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      09-27-2009 12:47 AM #193
      Quote, originally posted by Doug T »

      This is what I would do:

      1) Get rid of all the gas that is old. run new gas with cleaner in it.
      2) Clean out your injectors.
      3) Replace the valve that is on the tank vent line near the fuel filler.
      4) Replace your fuel filter.
      5) Replace your pick up screen (stopper) inside the tank.
      6) Replace your fuel pump (when it quits or make lots of noise).

      1- Done, one of the first things I did
      2-I attempted to clean my injectors with carb cleaner when i changed the injector seals/insulators
      3- havent done that, id have to see a pic and more detail as to where that is.
      4- Done
      5- Still yet to do
      6-my fuel pump seems good.

      I have every single thing I have done to this car since day 1 in this update thread, just look back to the earlier pages!


    19. 09-27-2009 01:51 AM #194
      Quote, originally posted by Granitethewolf »

      1- Done, one of the first things I did
      2-I attempted to clean my injectors with carb cleaner when i changed the injector seals/insulators
      3- havent done that, id have to see a pic and more detail as to where that is.
      4- Done
      5- Still yet to do
      6-my fuel pump seems good.

      I have every single thing I have done to this car since day 1 in this update thread, just look back to the earlier pages!

      3) Replace the valve that is on the tank vent line near the fuel filler.
      It is known as the gravity valve or tip over valve. When you tip the car over it prevents gas from spilling out and catching fire. The problem with it is, it gets clogged with varnish and the plastic deteriorates. If that thing fails you will notice that filling your tank gets difficult. The other way you know it has failed is when your gas tank stops venting properly. A car your age should have this part replaced. It is very easy to replace. It is under the inner fender liner.

      TEAM DHE/FAST 76 KARMANN 8V FSP MK1 SILVER SCIROCCO 2X 08,9,10,12,13 & 14 regional champ.
      TEAM DHE/FAST 1980 KARMANN 8V FSP MK1 RED SCIROCCO 04 & 07 regional champ.
      1987 KARMANN 16V MK2 SILVER SCIROCCO
      Parts--> http://www.parts4vws.com Need Wax?--> Mother's

    20. Member xenergy_one's Avatar
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      09-27-2009 04:37 PM #195
      I have the same engine as you in my 81' (1.7) and I run 87 octane with no problems. I think the octane rating controls when the gas detonates. Higher octane will get to a higher pressure (compression) before it ignites. If you run low octane in a high compression engine, you get pre-detonation which will causes the valves to slap closed (pinging). If you run high octane in a low compression engine you will get post detonation (lost power/bad mileage). I am no expert, this is just my understanding of it.
      Two broken Sciroccos is one too many.

    21. Senior Member Iroczgirl's Avatar
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      09-27-2009 05:39 PM #196
      Not to hyjack this thread but ever since they raised the Ethanol content in the gas at the pump, my 16v pings on 91 octane fuel I can add an octane booster which cures the pinging but I loose performance that way.
      Lots of VW stuff|Rare Scirocco parts!
      The family: '55 Ford 351C, '70 TR6 262Olds, '80 Rabbit AAZ, '84 C30 350, '86 Scirocco PL, '88 Scirocco 9A, '97 Hardbody KA24E, '01 TJ 150AMC.

    22. Member xenergy_one's Avatar
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      09-27-2009 08:35 PM #197
      Quote, originally posted by Iroczgirl »
      Not to hyjack this thread but ever since they raised the Ethanol content in the gas at the pump, my 16v pings on 91 octane fuel I can add an octane booster which cures the pinging but I loose performance that way.

      I run Ethanol laced fuel that is 93 octane in my 88. It seems fine but I also don't have a point of reference. A 16v has a knock sensor that should prevent pre-ignition (based on my limited understanding), is it possible yours is not working?

      As to the subject at hand, does anyone know what the compression ratio is in a 1.7L? I was always under the belief it was a low compression engine.

      Two broken Sciroccos is one too many.

    23. Member Rannoch's Avatar
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      09-27-2009 08:50 PM #198
      Quote, originally posted by Doug T »

      Rule of thumb.

      Engine Code EN
      Displacement (cc) 1715
      Bore (mm) 79.5
      Stroke (mm) 86.4
      8V Mechanical
      CR 8.2:1 Low
      HP 74@5000
      Torque 90@3000
      Injection K-Jetronic

      91 will not hurt your motor if you have a 1.7 low compression stock US spec MK2 Scirocco motor. You are just throwing your money away. You may get better performance with lower octane. You may need to replace a few things if you think 91 is working better.


    24. Member Granitethewolf's Avatar
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      09-28-2009 12:27 AM #199
      Thanks for all the input guys. As I said before ill have to try running some low octane again now that my system has been kinda cleaned out by running high octane for a little while.

      I still have other issues to work on to get this ol girl to run perfect.

      Just an idea but maybe someone should start a fuel Octane FAQ thread with some simple Q & A's along with some good facts.


    25. Member Granitethewolf's Avatar
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      09-28-2009 09:10 PM #200
      Well I decided to get off my ass and check my warm up regulator/fuel pressure regulator...

      Needless to say the Inlet (left side) is pretty damn plugged up. I sprayed both sides with carb cleaner very generously at least 5 times and let both screens soak. My Idle seems to have improved slightly but it all comes down to how it acts on my next cold start.


    26. Member xenergy_one's Avatar
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      09-28-2009 09:43 PM #201
      Quote, originally posted by Granitethewolf »
      Well I decided to get off my ass and check my warm up regulator/fuel pressure regulator...
      Needless to say the Inlet (left side) is pretty damn plugged up. I sprayed both sides with carb cleaner very generously at least 5 times and let both screens soak. My Idle seems to have improved slightly but it all comes down to how it acts on my next cold start.

      It can only help.

      Two broken Sciroccos is one too many.

    27. Member Granitethewolf's Avatar
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      10-06-2009 08:37 AM #202
      I'm still around! Just been driving the rocco with no $ or time to fix/update anything else yet hehe.

      Well, I want to note that on my car when i first start it up with the engine cold the OXS and the BAT (I think) lights will stay on until i give it a little rev thats a bit over 1000 rpms then it stays off. Those lights only come on when the engine is cold.
      I talked to a friend of mine and he said that is because I have a good chance of having a bad Oxygen sensor, or it could be related to my exhaust leak that is right where the exhaust manifold meets the downpipe- the gasket is shot. That exhaust leak is most likely affecting the way my oxygen sensor is working and possibly one of the main causes of my cold start-stall, start-stall, and 3rd time around start-finally holds an idle that improves as it warms up issues.

      Let me know what ya guys think, I'm lovin this car and I want to get it running perfect hopefully before next spring so shes ready for a new paint job that is already all lined up


    28. Member Rannoch's Avatar
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      10-06-2009 10:13 AM #203
      You may have a bad O2 sensor but the OXS light is controlled by a box attached to your speedometer cable (look around the brake booster) that turns on the light every 30k miles.

    29. Member Granitethewolf's Avatar
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      10-06-2009 07:41 PM #204
      Quote, originally posted by Rannoch »
      You may have a bad O2 sensor but the OXS light is controlled by a box attached to your speedometer cable (look around the brake booster) that turns on the light every 30k miles.

      I reset the service box near the brake booster and I heard it click when I pushed the button in far enough but it didn't seem to do anything for my OXS and battery light that come on at start up but disappear when I rev over 1Kish rpms and dont turn back on until the next start up.

      I did play around with the oxygen sensor, i unplugged it while the car was running (it did not throw any lights on in the dash btw) and it didn't seem to do much of anything, it still ran and revved the same while warm.

      I dunno, couldn't hurt to replace the oxygen sensor tho. I still gotta pick up the gasket between the manifold and the flange or whatever its called and get that changed out some time soon.


    30. Member vwdaun's Avatar
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      10-06-2009 09:42 PM #205
      I wouldn't worry about changing the O2 sensor right now. The lights in the dash are semi-normal, one of mine does the same thing.

    31. Member Rannoch's Avatar
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      10-06-2009 09:50 PM #206
      The o2 sensor has no warning lights or anything. It's just a narrowband sensor. Don't worry about it for now.

      I must have missed the rev+light thing. That's more/less normal for these cars now. Both of mine do it.

      If you have the TB (toilet bowl) exhaust you might look into getting the older style dual downpipe.
      Slightly less restrictive. Mine was like $20 at a JY. Grab the flex pipe also when you do this.


    32. Member Granitethewolf's Avatar
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      10-07-2009 10:41 PM #207
      I got bored and decided to put together a little slideshow.
      http://www.youtube.com/watch?v=Ei8kI9dxj5c

      Took a look at my donut (flange gasket or whatever other names it has) and the clips are stretched way out and it leaks big time. Going to pick up a new donut gasket & some clips tomorrow and call around see how soon I can get it changed!


    33. Banned spooky24v's Avatar
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      10-07-2009 11:02 PM #208
      dude i wont your door cards dash and seats! so bad! lol i cant find blue anything anyware

    34. Member baupfhor's Avatar
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      10-08-2009 02:39 PM #209
      Quote, originally posted by Doug T »

      3) Replace the valve that is on the tank vent line near the fuel filler.
      It is known as the gravity valve or tip over valve. When you tip the car over it prevents gas from spilling out and catching fire. The problem with it is, it gets clogged with varnish and the plastic deteriorates. If that thing fails you will notice that filling your tank gets difficult. The other way you know it has failed is when your gas tank stops venting properly. A car your age should have this part replaced. It is very easy to replace. It is under the inner fender liner.

      Is there one on a mk1 rocco? My tank seems to build up a lot of pressure. My car sat for 6 years before i got it.

      Friends don't let friends say "Em kay"

      "Prius buyers are required to suck at life"

    35. Member Granitethewolf's Avatar
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      10-08-2009 06:19 PM #210
      Woot, picked up new flange clips and a new exhaust donut gasket to fix my exhaust leak. Rocco is sittin at the muffler shop awaiting the job which will be done tomorrow morning!

      *crosses fingers* hopefully with this fixed (fixing my back pressure) it should help my car run a lot better.


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