Petesvw 0 Posted September 28, 2006 Report Share Posted September 28, 2006 OBD 1OBD2Side by side. Link to post Share on other sites
antera309 3 Posted October 2, 2006 Report Share Posted October 2, 2006 More details on OBD1/OBD2 differences can be read in the FAQ section HERE Link to post Share on other sites
Crasher 0 Posted November 20, 2006 Report Share Posted November 20, 2006 If anyone reading this has a late VR6 (from chassis wvwzzz1HzSW120000 with the 021 906 258 CH ECU) and has access to VAG-COM, do me a favour, go into Engine 01 and click on Readiness 15 and post what it says. Link to post Share on other sites
gavinvr6 0 Posted June 28, 2008 Report Share Posted June 28, 2008 guys ive got 2 similar vr6 manifolds, one has the isv take off just behind the tb mounting face and the other dont, would i be right in saying the one without is a obd2 not obd1 Link to post Share on other sites
rusty dan 1 Posted July 1, 2009 Report Share Posted July 1, 2009 i thought the difference was also odb1 had dizzy and 2 had coil packs? Link to post Share on other sites
CALICO 130 Posted July 1, 2009 Report Share Posted July 1, 2009 More details on OBD1/OBD2 differences can be read in the FAQ section HERE as it says look in the FAQ:s section coil packs are on both just lookin the FAQ:s section for confirmation Link to post Share on other sites
CALICO 130 Posted July 1, 2009 Report Share Posted July 1, 2009 http://www.vr6oc.com/e107_plugins/forum/forum_viewtopic.php?106705There:s the link for you Link to post Share on other sites
Botelho 0 Posted July 9, 2009 Report Share Posted July 9, 2009 Is it just my eyes or does the obd1 tb look a bit bigger then the obd2? Link to post Share on other sites
CALICO 130 Posted July 9, 2009 Report Share Posted July 9, 2009 Externally maybe but i think only the raddo 2.9 throttle body is bigger inside Link to post Share on other sites
Kelster 0 Posted July 10, 2009 Report Share Posted July 10, 2009 This was discussed earlier, they are the same sizeLeave it alone! Doing that will yield absolutely nothing.The only way to gain anything from a throttle is to enlarge the throttle plate.Nope' date=' the Corrado doesn't have the ramp in the inlet side. It has a 2 stage opening mechanism instead. Slow at first, then faster. It mimics the ramp in the Golf OBD1 throttle.The Corrado throttle is nasty, far too heavy, causes ankle ache on long journeys.Whilst I'm on, everyone assumes the Corrado throttle is bigger and better. It isn't. It has exactly the same throttle plate size as the 2.8 OBD1 throttle.The Ramp in the 2.8 throtte is there to speed up gas flow at light loads to improve torque and make the engine less snatchy. I would not remove it, and yes, if you sand that off you will make a nice big hole in the throttle.[/quote'] Link to post Share on other sites
MJ Vr6 79 Posted January 5, 2012 Report Share Posted January 5, 2012 guys ive got 2 similar vr6 manifolds' date=' one has the isv take off just behind the tb mounting face and the other dont, would i be right in saying the one without is a obd2 not obd1[/quote']Spot onn. Link to post Share on other sites
MJ Vr6 79 Posted January 5, 2012 Report Share Posted January 5, 2012 i thought the difference was also odb1 had dizzy and 2 had coil packs?Early OBD1 came with Dizzy.Late OBD1 with Coilpack.OBD2's Coilpacks. Link to post Share on other sites
MJ Vr6 79 Posted January 5, 2012 Report Share Posted January 5, 2012 OBD 1's and 2's.Some of the visable differences are Throttle, MAF, Rocker Cover, Inlet Mani.Did you also know that the VR's early till 95 came with single chain.1996-Double.1997+ Single again. Link to post Share on other sites
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