Author Topic: Timing Question  (Read 9449 times)

Reply #15November 06, 2012, 10:37:51 am

R.O.R-2.0

  • Veteran

  • Offline
  • ***

  • 7335
  • Personal Text
    Pacific Northwest - Oregon - USA
Re: Timing Question
« Reply #15 on: November 06, 2012, 10:37:51 am »
dude, the diamond is a TIMING MARK..

the DIMPLE NEAR THE BOLT HOLE is the TDC mark..

someone pull an injector and stick wire down the hole..

if you time your engine to the diamond, it will KNOCK when you shift.. ask me how i know..
92 Jetta GLI - Black, 1.6D w/ GT2056V turbo..
86 GTI - 4 Door, Med Twilight Gray, Tow Machine..
86 Audi Coupe GT - Tornado Red, All Stock.. WRECKED.
89 Toyota 4Runner - Dark Grey Metallic, LIFTED!

Turbo: exhaust gasses go into the turbocharger and spin it, witchcraft happens and you go faster.

Reply #16November 06, 2012, 01:02:09 pm

bbob203

  • Veteran

  • Offline
  • ***

  • 1789
Re: Timing Question
« Reply #16 on: November 06, 2012, 01:02:09 pm »
I'm so confused now   ???
92 Passat wagon M-TDi
03 Jetta wagon TDi
VE Timing tools for rent
Need a car transported a long distance? Pm me for details.

Reply #17November 06, 2012, 03:06:51 pm

JerryGTD

  • Junior

  • Offline
  • **

  • 89
Re: Timing Question
« Reply #17 on: November 06, 2012, 03:06:51 pm »


Bentley Manual



85 Jetta GL Turbodiesel flywheel.

Yes. Please clarify. I had mine aligned as per the Bentley manual for about 100,000 miles.
1991 Jetta GL ECOdiesel

Reply #18November 06, 2012, 03:09:30 pm

8v-of-fury

  • Guest
Re: Timing Question
« Reply #18 on: November 06, 2012, 03:09:30 pm »
Yes, Kevin please try and stop the non-informative posts when there is already confusion lol! It makes it more confusing.

I was pretty damn sure the DIESEL flywheels had the diamond timing mark.

Here was my 91 NA. A diamond right by the hole.



Now here is my 210mm gas flywheel, as you can see the dimple is over and to the left of that hole. So I referenced a diesel flywheel and copied marks and notched my own for my TDI application.

« Last Edit: November 06, 2012, 03:12:18 pm by 8v-of-fury »

Reply #19November 06, 2012, 03:13:22 pm

Blocksmith

  • Veteran

  • Offline
  • ***

  • 261
  • Personal Text
    Wrench Lurker
Hopefully this clears things up...
« Reply #19 on: November 06, 2012, 03:13:22 pm »
I just checked the flywheel on a 1.8 gasser my brother and I pulled out of his cabriolet--it's the exact same as in the one in the picture. This leads me to conclude that:
ROR is correct when he says the diamond on the flywheel in the picture that 8v posted is indeed NOT TDC, but instead a timing mark, meaning that to use that particular GASSER flywheel, you would indeed need to time to the circle, not the diamond, as ROR suggested. However, on all DIESEL flywheels, USE THE DIAMOND AS PER BENTLEY or prepared to be very sad.
Green 83 Rabbit 4dr, 5 speed ACH trans swap, ported 1.6D mech lifter w/ vnt15, na pump w/ gov mod, gasser intake mani, 2.5" exhaust, bilstein sports and cut mk2 springs, ss brake lines, 14" vw bottlecaps

Reply #20November 06, 2012, 03:21:32 pm

8v-of-fury

  • Guest
Re: Timing Question
« Reply #20 on: November 06, 2012, 03:21:32 pm »
Time to the Diamond unless you know for sure you are running a Gasser flywheel.

Also, for what that picture was originally intended. Yes dead center of those two bolt holes is TDC. The pointer in the trans housing is right in the center of those two bolt holes.

Reply #21November 06, 2012, 03:51:14 pm

R.O.R-2.0

  • Veteran

  • Offline
  • ***

  • 7335
  • Personal Text
    Pacific Northwest - Oregon - USA
Re: Timing Question
« Reply #21 on: November 06, 2012, 03:51:14 pm »
when the DIAMOND AND DIMPLE are right in line with each other, they are TDC marks..

when the DIMPLE is 7/16" from the DIAMOND, then its NOT the TDC mark..

see the bentley post, thats a dimple and diamond in line with each other..

those are both in the same relative position, and both TDC marks..
92 Jetta GLI - Black, 1.6D w/ GT2056V turbo..
86 GTI - 4 Door, Med Twilight Gray, Tow Machine..
86 Audi Coupe GT - Tornado Red, All Stock.. WRECKED.
89 Toyota 4Runner - Dark Grey Metallic, LIFTED!

Turbo: exhaust gasses go into the turbocharger and spin it, witchcraft happens and you go faster.

Reply #22November 18, 2012, 11:14:34 am

ORCoaster

  • Moderator
  • Veteran

  • Offline
  • ***
  • Handy at too many things to list. The envy of those needing Utube

  • 4549
  • Personal Text
    Caddy all painted and now its interior time
Re: Timing Question
« Reply #22 on: November 18, 2012, 11:14:34 am »
My dimple has diamonds, or is it that my diamond has a dimple?  Either way, diesel motor and flywheel so both in line as in the picture.  Keep it stock and you don't have this kind of confusion.  But no fun either.