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Installation Owner manual

ManualsBrandsMSD ManualsCar8485 VW Billet Distributor
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6 INSTALLATION INSTRUCTIONS
M S D   •   W W W . M S D P E R F O R M A N C E . C O M   •   ( 9 1 5 )   8 5 7 - 5 2 0 0   •   F A X   ( 9 1 5 )   8 5 7 - 3 3 4 4
INSTALLING THE DISTRIBUTOR
1.  Set the No. 1 cylinder to TDC under compression.
2.  Remove the distributor cap. Note the position of the rotor and which spark plug terminal it is 
pointing to. Mark the plug wire and the position of the rotor.
3.  Remove the distributor and the distributor shaft spring.
4.  Make sure the position of  the distributor
  driveshaft  slot  is  perpendicular  to  the 
case seam (Figure 7). If not, move it to 
the proper position.
   
                                                 Figure 7 Distributor Driveshaft Position.
5.  Remove the original clamp stud and install the supplied longer stud at least 1/2" into the case. Place 
the supplied spacer over the stud.
6.  Install the collar and clamp to the distributor and snug the bolts (Figure 8). Install the distributor into 
the engine making sure that it bottoms out on the driveshaft.
7.  Screw the nut onto the clamp stud and finger tighten. 
Locate the  supplied shims and set one  0.010" shim 
aside.
8.  With the remaining shims, make a stack that fits the 
gap between the clamp and the distributor housing 
(Figure 8). It is recommended to use a shim stack that 
is slightly thicker than the gap up to 0.005" however, 
it may be 0.002" thinner.
9.  Remove the distributor then remove the clamp and 
collar. Add the one 0.010" shim that you set aside to 
the shim stack and place them on the distributor.
10. Install  the  clamp  and  collar  so  the  shims  are 
sandwiched between  the housing and the clamp. 
Tighten the clamp and install the two o-ring seals or 
use the original seal if it is in good shape.
11. Install the distributor shaft spring and the distributor. 
Make sure the rotor is pointing to the number one 
terminal of the distributor cap.
12. Install the cap and spark plug wires. If you are using 
the original spark plug wires, the terminals and boots 
must be replaced with MSD 90° boots and terminals, 
PN 8850. MSD offers a set of custom length wires for 
VW, PN 31939.
Figure 8 Measuring the Required Distributor Shims.