| [ Total Views: 791 | Total Replies: 5 | Thread Id: 99845 ] |
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 lauzboy
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| posted on November 25th, 2012 at 09:51 PM |
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oil pumps and cam gear type
So i want to replace my oil pump with a pump/filter. When I rebuilt the engine i didnt take note of the cam gear type (ie flat vs dished). I did a cam
swap/upgrade with Stan Pobjoy so Im assuming that he's given me the same type cam gear type back (he agreed with this assumption when i called him).
The original pump was 26mm and the flange thickness is about 5-6mm. This was replaced by a 30mm pump with the flange thickness of about 12mm.
From this can it be determined for certain which cam gear I've got? I'd prefer not to pull the pump out to check until I'm about to change the pump
for the pump/filter
Thanks in advance
- Jon
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bajachris88
A.k.a.: Chris Leete
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| posted on November 25th, 2012 at 10:05 PM |
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Was the cam upgrade a new performance cam of sorts?
OEM cam gears are riveted on solid to the original vw cam, thus when an aftermarket cam is purchased, generally a cam gear is purchased separately to
be 'bolted' onto the new cam (such as scat, Engle etc.)
These 'new' cams are the 'flat' type for 'universal-ability' and thus use the associated oil pump relevant to the 'flat' cam gears. the oil
pump drive itself (whether it is dished or flat) isn't in the pulley, but the end of the camshaft through a bore in the centre of the pulley.
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lauzboy
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| posted on November 26th, 2012 at 09:24 AM |
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yes. my original cam shaft and cam gear was exchanged for one of Stan Pobjoy's specials.
Im aware that the drive for the oil pump is directly off the cam gear and has nothing to do with the pulley (if that's what you meant)
| Quote: | Originally
posted by bajachris88
Was the cam upgrade a new performance cam of sorts?
OEM cam gears are riveted on solid to the original vw cam, thus when an aftermarket cam is purchased, generally a cam gear is purchased separately to
be 'bolted' onto the new cam (such as scat, Engle etc.)
These 'new' cams are the 'flat' type for 'universal-ability' and thus use the associated oil pump relevant to the 'flat' cam gears. the oil
pump drive itself (whether it is dished or flat) isn't in the pulley, but the end of the camshaft through a bore in the centre of the pulley.
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 matberry
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| posted on November 26th, 2012 at 11:41 AM |
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Stan uses reground cams so could be 3 or 4 rivet, but by your explanation it sounds like it's a 3 rivet/flat cam.
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Craig Torrens
A.k.a.: Craig Torrens
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| posted on November 26th, 2012 at 06:54 PM |
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It will be an Ivan Tighe reground VW 3 bolt (Flat) cam.
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lauzboy
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| posted on January 19th, 2013 at 08:27 PM |
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so turns out it was a 4bolt dished cam. oil pump now on order
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