dwyer125
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Gen2 block, gen3 sump install help
I remember reading a thread or 2 about installing the gen3 sump on a gen2 engine. I have all the parts needed for this now so I'm hoping to do this. I wanted to re-read the past thread that described this upgrade but still after so many searches I cannot find anything. I just want to make sure I'm going to do it fine. This is my understanding so far. Needed: - Gen3 2 part sump with oil pick up and windage tray. Gen3 oil pump. Gen3 oil cooler or remote oil cooler set up.
Things to do: - The gen3 sump need 2 holes drilled in it for the gen2 alignment thread, and a gen2 bolt hole.
- These 2 alignment threads also need to be removed and replaced with longer threads or use bolts.
- Longer bolts will need to be used to install the sump as the alloy sump is thicker.
- Gen2 rear seal housing will need new holes drilled and tapped to match sump
- The alloy sump needs 2 cut outs to clear arp main studs.
- There are 2 extra holes in the gen3 alloy sump that are not on the gen2 block, does the block need to be drilled and threaded for these 2 extra bolts or will the sump hold and seal fine without them? I don't see the need for this but I would like your inputs.
Any inputs are welcome and if anyone does have links to previously completed upgrades please share.
post edited by dwyer125 - 2013/04/23 13:45:06
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just_ace
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Re: Gen2 block, gen3 sump install help
2013/04/23 14:09:28
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you'd also need to drill/tap holes to attach the windage tray. 2 are there for the pickup, but there's 4 others.
i'm going through this process at the moment, but it's fitting to a 5s block (one without balance gear)
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just_ace
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Re: Gen2 block, gen3 sump install help
2013/04/23 15:55:18
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I'm probably going to drill the extra hole.  
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Gatesys SW20
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Re: Gen2 block, gen3 sump install help
2013/04/23 18:03:22
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Can I ask why?
I'd like to understand :)
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dasic1
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Re: Gen2 block, gen3 sump install help
2013/04/23 21:53:18
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Mine is on a 5S block. I went with drilling and taping the holes, as its not hard to do.
The alloy section dose need to be ground to fit over the ARP studs. Ill have a look to see if I have any pics but dont think I took any.
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dwyer125
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Re: Gen2 block, gen3 sump install help
2013/04/24 12:38:07
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Thanks for the pics, I just thought it's so close to the other hole it probably isn't needed. I forgot all about the windage tray holes so I might as well do the extra sump holes at the same time.
Gatesys, I've had a gen3 sump and pump laying around for a while, and with the new engine I'm building I like the feature of the oil filter down the bottom. I had to go buy a windage tray new though. Also I think the gen3 setup looks a lot stronger and neater. I already have a remote oil cooler and I guess if I wanted to I would be able to run 2 oil filters if I felt like it. Probably not needed.
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just_ace
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Re: Gen2 block, gen3 sump install help
2013/04/24 15:35:21
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use one for the oil filter and the other for the cooler.
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dwyer125
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Re: Gen2 block, gen3 sump install help
2013/05/18 14:25:37
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Got run down with assignments, but had a good crack at this today.
I have found with the alloy sump bolted on, the rear of it hangs with about a 1mm lip past the end of the block.
Has any one else found this? I can get a pick if needed.
For the gearbox to bolt on flush I will have to get the rear of the sump machined to sit flush with the rear of the block.
Or have I missed something?
Thanks again
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just_ace
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Re: Gen2 block, gen3 sump install help
2013/05/18 14:49:58
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Dont forget the piece of metal that fits between the block and gearbox.
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dwyer125
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Re: Gen2 block, gen3 sump install help
2013/06/07 12:44:39
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All holes are drilled, and crank and pistons are in, now I need to get some seals and gaskets. And determine what size HG to get.
For this sump, do I need to buy a gen 3 dipstick and tube?
and the rear plate between the block and gearbox, the gen2 one is the same thickness as the gen3 right?
Thanks
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just_ace
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Re: Gen2 block, gen3 sump install help
2013/06/07 14:24:34
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