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Putting a 3.3L 930 engine in an SC

What are the drawbacks, catches, etc.?

Do some year engines work better than others?

I've read a couple of threads that have mentions of this being easier to do than a 3.6L, but what exactly does that mean?

If I can pick up a 930 engine and have an easier install, which will save $$$ for mods vs. a 3.6L, I can see this being a pretty good way to go.

What do I need to know?
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Rob
1980 SC
2002 M3
2011 Tiguan
Old 11-17-2006, 06:14 AM
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Crotchety Old Bastard
 
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You also get more power with a 930 engine.

It is a very easy swap.
The CIS equipment makes the wiring harness compatable.
The fuel system needs an extra pump and accumulator.
The oil tank needs an extra bung for the turbo feed.
The 915 needs a better clutch.
You'll need a tail if you go with an intercooler.
You may need a few oil lines depending on what exhaust is used.
A boost gauge.
New rear tires and several pair of clean undershorts.

That's about it.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8
Old 11-17-2006, 09:09 AM
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+1

Everything Rarly says. He knows.

Lots of other people here have done this too.

You can also use a 930 oil tank (mine does).

Sachs Power Clutch seems to work well (20,000 and counting).

Carrera brakes (or better) would be A Good Thing.

More rubber? Yup.

Change of clean underwear? Yup.

Healthy power levels/light car combination? It's outrageously fast... Get out every time with a silly grin on your face...
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'77 S with '78 930 power and a few other things.
Old 11-17-2006, 09:59 AM
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Well, the current config is a 2500lb or so SC, Bridgstone S-03s 205/255, LSD, and GTP lightweight brakes.

The suspension could use a bushing refresh, etc., but isn't terrible.

The 3.0L with 163rwhp though could be a little beefier.

The more I read, the more it seems that while the 3.6L is the thing to do, the 3.3L 930 would be an easier swap w/less issues to sort out.

I'm thinking about the one in the classifieds right now, and one thing to decide would be whether to save the $$ now and go with the stock setup, or spend the extra to get the mods with it too and just start out with something built up.

Lots to consider, and I don't have the ability to put it in myself, so I have to look at how much shop time the conversion will cost as well, which is where the big diff between the 3.6 and the 3.3 might come in.
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Rob
1980 SC
2002 M3
2011 Tiguan

Last edited by MysticLlama; 11-17-2006 at 10:58 AM..
Old 11-17-2006, 10:36 AM
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just mega squirt your current set up and put 5-6 psi to it through a 3.2 intake and hang on
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Ben

Current project 73 914-6 Gt project rusteration 2.4

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Old 11-17-2006, 12:16 PM
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I've thought about doing that, but the issue is sourcing all of the right parts, getting it put together, getting it tuned, etc.

I also don't get money out of the current motor, and I'm running a higher compression ratio than the stock turbos run.

Seems like I'd be into it for the same amount of money and not really have the complete factory style solution like a 930 transplant would be.

If there was a kit that was bolt on and proven a few hundred or thousand times over, like you could buy for, say, a Civic, that'd be a bit easier to handle.
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Rob
1980 SC
2002 M3
2011 Tiguan
Old 11-17-2006, 12:21 PM
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what like the BAE kits?? Regardless you will be looking at a minimum of a 4000 difference from the sale of your engine to a 930 engine. Look at tsuter or sammy2g they both have allot of miles on there BAE set ups Mine will still begoing strong if it weren't for over boosting(well I am fixing it now) and I have 4 customers with about 6000 miles on them within the past 3-4 months it is doable for less
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Ben

Current project 73 914-6 Gt project rusteration 2.4

*Reproduction 914-6 oil tank source* 2623647426
Old 11-17-2006, 12:45 PM
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Yeah, I guess like a BAE kit, but I thought they quit making those?

I see them for sale from time to time, but they always seem incomplete or missing this or that, I guess that's what I worry about running into.
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Rob
1980 SC
2002 M3
2011 Tiguan
Old 11-17-2006, 01:53 PM
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Crotchety Old Bastard
 
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Ben sells a complete kit. Shoot him an e-mail and get all the specifics.
It would be less "tramatic" for you to modify your current engine than to transplant a 930. A 3.6 is pretty involved for a lot of reasons.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8
Old 11-17-2006, 05:19 PM
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