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#330
by
libbydiesel
on 17 Sep, 2012 09:40
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The long delivery valves won't fit the AHU lines without bending them.
I haven't dealt with the Rover pump, but it looks like the ALH sprocket/hub will work without any modification, no?
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#331
by
8v-of-fury
on 17 Sep, 2012 11:54
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Yes i am aware the delivery valves wont work. I cleaned them up for the photo shoot and so i can store them for later use.
I do believe the ALH sprocket may need modification, crsmp5 used an alh sprocket and had to mod it. Whether it was necessary I do not know. I was going tp use my original AHU 20mm sprocket and maintain the twisting of the pump.. But i may look in to the ALH further.
Thanks for the kind words, it looks beautiful.
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#332
by
theman53
on 17 Sep, 2012 21:17
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Why did you lock it??? I am unlocking now LOL.
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#333
by
8v-of-fury
on 17 Sep, 2012 21:18
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WTH, must have did it on my phone by accident.. STUPID.
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#334
by
CRSMP5
on 17 Sep, 2012 22:33
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<----sent him pm to fix his info... i used the stock 98 jetta pully for ahu?? dont feel like trying to figure out which one.. we call it a 1z..
had it modded to work as later alh? mk4 style requires shimming the pump towards the tranny, machining the face off it to clear the cover and still need to get the later hub put on in proper place... ohhh also spend the coin to buy hub/sprocket too
my modded pully was 100bux out the door... simple in design, still used the key way... no need to worry bout shimming... and the cover fits no issue.. also when cover off it looks tits.. like some crappy ricer with engine add ons.. mmmmmm allen bolts in to pully..... mmmmmm race ready...
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#335
by
8v-of-fury
on 18 Sep, 2012 10:14
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So the 1Z/AHU pulley fits.. But you modded it only because you wanted to maintain the pulley style pump timing eh? I am thinking of opening the rover pump mounts to maintain twisting pump style timing.
If the pulley fits and works stock then im golden here.
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#336
by
RabbitJockey
on 18 Sep, 2012 14:38
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Yeah but think how easy it would be to time with a pulley like his, just get everything at tdc and install the belt, then rotate the engine until the pump is where you want it, loosen the modded pulley, turn the engine back to tdc and tighten the pulley, the only thing I'd be worried about is how sometimes the spring tension in the pump doesn't just keep the input shaft where ever you set it.
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#337
by
8v-of-fury
on 18 Sep, 2012 18:18
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You bring up a good point, I have an ALH hub avaialble to me.. so now I just need an ALH pulley..
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#338
by
libbydiesel
on 18 Sep, 2012 21:02
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<----sent him pm to fix his info... i used the stock 98 jetta pully for ahu?? dont feel like trying to figure out which one.. we call it a 1z..
had it modded to work as later alh? mk4 style requires shimming the pump towards the tranny, machining the face off it to clear the cover and still need to get the later hub put on in proper place... ohhh also spend the coin to buy hub/sprocket too
my modded pully was 100bux out the door... simple in design, still used the key way... no need to worry bout shimming... and the cover fits no issue.. also when cover off it looks tits.. like some crappy ricer with engine add ons.. mmmmmm allen bolts in to pully..... mmmmmm race ready...
I don't understand your post. I have not dealt with the Rover pump first hand, but I have only ever seen two different shaft lengths (long snout, short snout) and two different pump shaft diameters (17mm and 20mm). My understanding is that the Rover pump has the larger 20mm shaft and the long snout shaft length just like the AHU/1Z/AFN and ALH pumps which all have the same pump mounting surface to sprocket offset distance. I don't understand why the ALH sprocket AND HUB would require that the pump be shimmed, etc, etc... Looks like a bolt-on to me. I can understand that the face of the ALH sprocket sticks out a little further and so the sprocket face or the timing cover might need to be modified, but I don't understand the rest of what you were saying was an issue.
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#339
by
8v-of-fury
on 18 Sep, 2012 21:25
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I don't understand your post.
Does anyone?.. Ever?
kidding.
I too am unaware as to why you had to go through so much B/S to make that work out. I am going to the garage to snap some quick pics.
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#340
by
libbydiesel
on 18 Sep, 2012 21:41
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My only explanation is that he was trying to use the ALH sprocket with the Rover hub which is thicker than the ALH hub.
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#341
by
CRSMP5
on 18 Sep, 2012 21:49
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where ever my original rover education post is... there is a link to how to fit say a mk4 pump into mk3... it talks about shimming tnhe pump over.. with pics... i never tried it as i never had later to test fit...
rember rover pump on mk3 is like fitting mk4 onto mk3
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#342
by
libbydiesel
on 18 Sep, 2012 22:16
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I have a mk3 and mk4 pump right in front of me at this moment with the hub removed from the Mk4 pump and bolted to the mk4 pulley. The Mk3 pulley and Mk4 pulley/hub will swap to either pump and result in the same space between the sprocket and the mounting face of the pump. I still don't get what the issue is. The Mk3 pump fits into the Mk4 bracket except that the snout is too skinny. Bolt holes all line up. What's the link to your 'rover education post'?
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#343
by
libbydiesel
on 18 Sep, 2012 22:33
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I found your 'rover education' thread and the link to the TDI thread. The guy who shimmed his pump just didn't understand how to adjust the belt tracking. There isn't a difference in the pulley offset. DOH!
Some people just make things hard on themselves...
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#344
by
8v-of-fury
on 18 Sep, 2012 22:40
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Nope, Andrew you are right. No difference.
1.6 NA pump, I have one of these bodies on my AHU bracket right now with a 1.6 pulley.
The rover pump and AHU 20mm pulley.
So yeah, not enough to matter at all.