zeeboost Posted April 10, 2009 Share Posted April 10, 2009 I'm talking to a guy about buying an LS2/t56 combo out of his gto with about 20k miles. It's going to be about 1500miles of driving roundtrip because it's pickup only, but it's a hell of a buy if it's legit. Anyways, here are the pictures he sent me. If anyone can confirm it's an LS2, I would appreciate it, because I can't tell the difference between them and the LS1. Quote Link to comment Share on other sites More sharing options...
Goober Posted April 10, 2009 Share Posted April 10, 2009 ask him for the head casting number and the block casting numbers. The ls1 and ls2 are almost impossible to tell apart with out casting numbers. Also ask him what year GTO it came out of. The heads should be 243 or 799. I not sure what the number on the block should be. Unless it is stamped LS2. That would be a dead give away. Quote Link to comment Share on other sites More sharing options...
Administrators BRAAP Posted April 10, 2009 Administrators Share Posted April 10, 2009 For what it's worth, the exhaust manifolds are positively 100% GTO. As Goober mentioned, casting numbers are the definitive... Quote Link to comment Share on other sites More sharing options...
Goober Posted April 10, 2009 Share Posted April 10, 2009 Is that a Drive by wire TB? Those only came on ls2's and vettes. There is no egr witch rules out early ls1's but the later ones came with out egr. Wish we could see the oil pan. Quote Link to comment Share on other sites More sharing options...
Administrators BRAAP Posted April 10, 2009 Administrators Share Posted April 10, 2009 ... Wish we could see the oil pan. The oil pan wont tell us anything. The LS1 and LS2 GTO oil pans share the the same front sump pan. No difference. Quote Link to comment Share on other sites More sharing options...
Goober Posted April 10, 2009 Share Posted April 10, 2009 MM thats good to know. Quote Link to comment Share on other sites More sharing options...
Administrators SuperDan Posted April 10, 2009 Administrators Share Posted April 10, 2009 Also, the injectors on a LS2 are shorter than the LS1 and have a different connecter and fuel rail. Ask me how I know Quote Link to comment Share on other sites More sharing options...
Goober Posted April 10, 2009 Share Posted April 10, 2009 OK you have twisted my arm and i am sure zeeboost wants to know also Quote Link to comment Share on other sites More sharing options...
Shawn MacAnanny Posted April 10, 2009 Share Posted April 10, 2009 The coils are the LS2/LS7 style from what i can tell by the connector and coil shape. Also look at the rear of the block there is no cam sensor just oil pressure sensor which means its on the front timing cover. This means it has a 4x cam wheel and a 58x crank reluctor wheel which means it's an LS2. Quote Link to comment Share on other sites More sharing options...
zeeboost Posted April 11, 2009 Author Share Posted April 11, 2009 I e-mailed him for the casting numbers, so I'm waiting on the response. Thanks for all the help - so far it seems legit. The throttle is drive-by-wire. Shawn Macananny - I thought that only the vettes have the 54x reluctor wheel, and all GTOs had the 24x. Quote Link to comment Share on other sites More sharing options...
Shawn MacAnanny Posted April 11, 2009 Share Posted April 11, 2009 From what i understand everything with a front mount cam sensor has a 4x cam sensor which runs on the computer system that uses a 58x reluctor wheel. I could be wrong although im 99% sure. I know the LS4 i had had a 58x reluctor wheel, and 4x cam sensor. Anything with the 4/58 requires an MSD 6012 box to run carbureted, the 2/24 requires the 6010 box. Also another thing to check although not pictured is under the intake there wont be any knock sensors in the lifter valley, LS2 knock sensors are located on the sides of the block. Quote Link to comment Share on other sites More sharing options...
Shawn MacAnanny Posted April 11, 2009 Share Posted April 11, 2009 Some info i snagged off of LS1tech Also depends on whether you will run ETC or cable throttle (no 58X GM items do the cable), what injectors you have/will run (early and late injector connectors are different), and......what CBM said, whether you are running an E auto or not. Simply: GM LS1A PCM > 24 X, cable throttle, integrated auto controller, stock type harnesses have LS1 injector connectors: EV1. GM LS1B PCM > 24 X, ETC (with seperate TAC module), integrated auto controller, stock type harnesses have LS1 injector connectors: EV1. GM E40 ECM > 24 X, ETC, seperate auto controller, stock type harnesses have LS2 style injector connectors: EV6. (E40 is not as widely used as LS1, E38 or E67 controllers.) GM E38 ECM > 58 X, ETC, seperate auto controller (A4's), stock type harnesses have LS2 style injector connectors: EV6. Also supports GM A6 with trans integrated controller. GM E67 ECM > 58 X, ETC, seperate auto controller (A4's), stock type harnesses have LS2 style injector connectors: EV6. Also supports GM A6 with trans integrated controller. GM Standalone: see E67. Does not support auto in native GM form. MAST: Does both 24X and 58X, A4 and A6, see MAST product info for deeper dive. Their M90 is a well thought out controller. FAST: see FAST product info. Other aftermarket: See their product info. Quote Link to comment Share on other sites More sharing options...
Bigdeezs Posted April 11, 2009 Share Posted April 11, 2009 looks like a bone stock LS2 to me...I've seen quite a few. The red wires, manifolds, lil coil packs, shiny fuel rail...I'd say your all set! Quote Link to comment Share on other sites More sharing options...
73DatsunZ Posted April 11, 2009 Share Posted April 11, 2009 Its an LS2. Right next to the throttle body is the "module" if you will, that controls the Throttle by Wire. I know its upside down in the first picture, but if you look next to the throttle body it says "LS2" Quote Link to comment Share on other sites More sharing options...
getoffmyinternet Posted January 28, 2010 Share Posted January 28, 2010 Unless it is stamped LS2. That would be a dead give away. LOLz Quote Link to comment Share on other sites More sharing options...
Guest Gr8White Posted January 28, 2010 Share Posted January 28, 2010 Goat LS2 all the way... Quote Link to comment Share on other sites More sharing options...
Blown77Z Posted January 28, 2010 Share Posted January 28, 2010 No, it's NOT an LS2 ! It's clearly something else...... J/K Wanted to be different, since everyone else said it was one Quote Link to comment Share on other sites More sharing options...
m1noel Posted January 28, 2010 Share Posted January 28, 2010 quote- No, it's NOT an LS2 ! It's clearly something else...... Crap, after 3 years I find out I got ripped off... Quote Link to comment Share on other sites More sharing options...
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