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one of the great unwashed
 
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Join Date: Apr 2004
Location: Ringwood, NJ
Posts: 2,850
I run the SC distributor in mine. I added a used MSD boost timing master when I did the last rebuild, along with an MSD 6AL, but the boost timing master was bad, so I am back to plain old SC distributor. I run 5 BTDC at idle, which puts me at around 27 BTDC at higher revs. I do know that if you try and retard the stock SC distributor, the car runs like crap down low. I don't think that is your boost issue. Is that a stock KKK turbo? I don't know much about the KKK's. I was going to try a stock 3LDZ, but RarlyL8 talked me out of it. The B-W T04B I have now is great, spools quickly and pulls through 6500. I also have some cheap OBX headers, which I think helps a bit.

Maybe one of the 930 guys will comment on the 7200 and it's boost characteristics.
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Patrick E. Keefe
78 SC
01 Boxster
Old 11-18-2011, 04:09 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #41 (permalink)
one of the great unwashed
 
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Join Date: Apr 2004
Location: Ringwood, NJ
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J, some info here:

Going Backwards to 3LDZ
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Patrick E. Keefe
78 SC
01 Boxster
Old 11-18-2011, 04:18 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #42 (permalink)
Crotchety Old Bastard
 
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Join Date: Jan 2000
Location: Huntsville, AL
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Garage
On a stock 930 the K27-7200 will boost about 1000rpm sooner than the 3LDZ. Yes that is huge.
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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 11-18-2011, 07:47 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #43 (permalink)
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Join Date: Feb 2008
Location: Bayside Wi
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Quote:
Originally Posted by jcc911 View Post
Tony, do any of those guys around here able to do a smoke test, I wonder if the late spool is due to a leak?
C.S Motorsports has one
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Anthony @ Voitureltd Bayside WI.
Old 11-18-2011, 08:22 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #44 (permalink)
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