Cam sprocket is different on a 3B than AAN/ABY. ADU gear is exclusive to ADU engine.
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3B and AAN/ABYADU differences - need input
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Originally posted by saltinot View PostCam sprocket is different on a 3B than AAN/ABY. ADU gear is exclusive to ADU engine.
3B, RR (and NM and 7A) = 034109111
AAN and ABY = 034109105
ADU = 034109105BRS2'd 93 UrS4 5 spd sedan
94 UrS4 V8 6 spd manual avant
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I am told that originally the 3B rods were something like 80 grams heavier than the ADU rod. Here is a photo that supposedly has a 3B rod on the left and an AAN rod on the right. Anybody with old PNs for these?
RS2'd 93 UrS4 5 spd sedan
94 UrS4 V8 6 spd manual avant
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Originally posted by UrS4boy View PostI am told that originally the 3B rods were something like 80 grams heavier than the ADU rod. Here is a photo that supposedly has a 3B rod on the left and an AAN rod on the right. Anybody with old PNs for these?
rod 002.jpg91 Modded 3B
14 A6 Avant Black Edition
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Originally posted by UrS4boy View PostWon't you be surprised! (still a work in progress)
The ABY / ADU and later AAN head is different to the 3B (think hall sender boss )Panthero Coupé quattro 20vt
Indigo ABY coupé
Imola B6 S4 Avant
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Originally posted by Error404 View Postyes I am a bit I thought the ABY / ADU had slightly higher compression The ABY / ADU and later AAN head is different to the 3B (think hall sender boss )RS2'd 93 UrS4 5 spd sedan
94 UrS4 V8 6 spd manual avant
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Did you want to mention the block and timing belt tensioner differences?
Originally posted by Colesy View PostSo a 3b head wouldn't be a straight swap into an ABY then?
What are the solutions for the cam position boss?
SS
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Originally posted by 4WheelDrifter View Post
Is this something MRC might be able to hep with or can anyone recommend someone else who's done this before?
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Some 3B 200 20vt and S2 Coupe info
3B and AAN similarities and differences
3B Engine Cut-away:
3B Engine With Labels:
3B in 200 20VT Ghosted:
S2 Coupe ghosted:
3B distributor:
Distributor supercedence:
3B and ABT turbo to intake hoses:
3B ECU pin-out:
3B ECU schematic:
3B 200 20vt diagnostic plugs:
3B PCV system:
3B WGFV:
3B and ABY Oil Pressure switches:
3B Fuel Pressure Regulator:
3B MFTS info:
3B and AAN timing belts:
3B Ignition Coil Info:
3B radiator location:
3B coupe exhaust:
Last edited by UrS4boy; 23 April 2014, 16:29.RS2'd 93 UrS4 5 spd sedan
94 UrS4 V8 6 spd manual avant
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OE 3B, AAN, ABY and ADU Exhaust Components: a consolidation of info.
Originally posted by s2driveruk View Postdownpipe and cats are 3b specific if not already captured
Anyway, I went to my consolidated exhaust post and posted a 3B exhaust component diagram above.
OE 3B, AAN, ABY and ADU Exhaust Components: a consolidation of info:
http://forums.quattroworld.com/s4s6/msgs/196904.phtmlRS2'd 93 UrS4 5 spd sedan
94 UrS4 V8 6 spd manual avant
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