RedRover 1 Posted February 25, 2016 Share Posted February 25, 2016 Call me crazy but I have decided to build a top hat 4.0 for my 98 landrover discovery 1. I have built engines before and usually have know problem finding the information to complete a build but this vehicle is a little special. I have a copy of the RAV overhual manual and the landrover shop manual. They cover just about anything you want to know about this vehicle, but how to set the timing on the engine. I have looked through both manuals and I cannot find anything on setting the timing on the 4.0. Anyone have any ideas on where to get this information. Quote Link to comment Share on other sites More sharing options...
Ash.Witty Posted February 25, 2016 Share Posted February 25, 2016 Is this cam timing or ignition timing using a distributor setup? Quote Link to comment Share on other sites More sharing options...
RedRover 1 Posted February 26, 2016 Author Share Posted February 26, 2016 It is a distributor-less coil pack and crank senor 4.0 engine. Quote Link to comment Share on other sites More sharing options...
Ash.Witty Posted February 26, 2016 Share Posted February 26, 2016 Its easy, as long as you have the correct gems or Thor cam sprocket and flywheel you can't go wrong. Now, do you have the gems or Thor type inlet manifold? Is it going to be an auto or manual? The gems type injection system is easier to work with. You will need to order the correct cam sprocket if its being changed, if its auto keep the gems starter ring or manual you will need to source a 4.0 flywheel as it has milled cut outs. This is all doweled so as long as everything is correct the ecu will controll the timing side Quote Link to comment Share on other sites More sharing options...
RedRover 1 Posted February 26, 2016 Author Share Posted February 26, 2016 It is gems engine, auto, and she's going be new from top to bottom when I am finished. Taking on big project here. I am greatful for your help. Quote Link to comment Share on other sites More sharing options...
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