Re: Cool stuff I learned tonight

[Anthony Pelletier <vwnuts@yahoo.com>]

speaking of all this, does anyone have the part # of
the intermediate shaft that is supposed to be in a 9a
block.  I bough a block from a race guy that did the
8v head on a 16v block.  it works good lots of torque.
 I suspect when I bought the block off of him that it
may have the 8v intermediate shaft which is why I
wanted to know the p/n.  I really  hope I don't have
to go searching for one.

thank,
Tony

--- Mark Peele <type53@yahoo.com> wrote:
> below is a warning to those of you that think 16V
> heads on 8V shortblocks is easy ;->
> 
> Brian is da man!
> 
> --- Brian Honnold <bhonnold@pac-cap.com> wrote:
> > For those of you who care:
> > 
> > I am currently working through the mechanics of
> > fitting a 16V head to an ABA
> > "tallblock".  the major obstacle has been the oil
> > pump.  Seems that the 16V
> > oil pump is quite a bit different than the 8V in
> the
> > way that it is driven.
> > The 8V is driven by the distributor which is
> driven
> > by the intermediate
> > shaft.  The 16V is driven by a little gear that is
> > driven by the
> > intermediate shaft.
> > 
> > Of course, the 8V and 16V intermediate shafts are
> > totally different.
> > Tonight I swapped the 16V intermediate shaft into
> > the ABA block and started
> > learning about oil pumps.  My donor block is an 87
> > 1.8 16V block so I knew
> > right away that it had the cheesy old style oil
> pump
> > with the 30mm gears.
> > What it did have was the correct drive gear on the
> > top and the correct drive
> > gear shaft length.
> > 
> > So what did I do that is so cool...........
> > 
> > Took the drive shaft part out of the 8V pump with
> > the 36mm gear on the
> > bottom, and the 16V drive shaft part with the 30mm
> > gear.  It turns out that
> > if you put the gear carfully in a vice and bang
> the
> > shit outta the shaft the
> > parts separate, leaving you with a perfect 36mm
> > drive gear to put on the 16V
> > shaft.  I simply pounded the right parts back
> > together, put the pump back
> > together and it fits.  Just barely clears the end
> > cap of the number 4 rod
> > bearing though so I may have the shaft clearanced
> a
> > little.  The 8V shaft
> > has a small notch machined in it for clearance.
> > 
> > It is all very tight with no lash gap at all in
> the
> > pump.
> > 
> > Just thought I'd share.
> > 
> > Brian Honnold
> > '78 thousand MkI parts all over my garage.
> > 
> > 
> > --
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> > 
> > 
> 
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