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    Thread: Granite's 1982 Scirocco Update Thread

    1. Member Granitethewolf's Avatar
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      09-25-2009 05:34 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 03:30 PM.

    2. Member Granitethewolf's Avatar
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      09-26-2009 07:27 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 07:37 PM #178
      [IMG]http://**********************/smile/emthup.gif[/IMG]

    4. 09-26-2009 10:03 PM #179
      have I told you today,how much I like your car? [IMG]http://**********************/smile/emthup.gif[/IMG]

    5. Member Granitethewolf's Avatar
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      09-26-2009 10:17 PM #180
      Quote, originally posted by Rocc__On »
      have I told you today,how much I like your car? [IMG]http://**********************/smile/emthup.gif[/IMG]

      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 10:28 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... [IMG]http://**********************/smile/emthup.gif[/IMG]

    7. Member vwdaun's Avatar
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      09-26-2009 10:37 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 10:40 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... [IMG]http://**********************/smile/emthup.gif[/IMG]

      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 10:45 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 10:50 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 10:52 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 10:55 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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      09-26-2009 11:13 PM #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. 09-26-2009 11:17 PM #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. 09-26-2009 11:20 PM #190
      Doug's the best.... [IMG]http://**********************/smile/emthup.gif[/IMG]
      There's your answer.....

    16. Member Granitethewolf's Avatar
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      09-26-2009 11:28 PM #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. 09-26-2009 11:37 PM #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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      09-26-2009 11:47 PM #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 12:51 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 03:37 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 04:39 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, '88 Scirocco 9A, '97 Hardbody KA24E, '01 TJ 150AMC.
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      You're always better off with a Citroën.™

    22. Member xenergy_one's Avatar
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      09-27-2009 07:35 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 07:50 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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      09-27-2009 11:27 PM #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 08:10 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.

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