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Anyone use Holley HP EFI on an LS1?
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<blockquote data-quote="mna0121" data-source="post: 397929" data-attributes="member: 2868"><p>Man I am glad you are asking this. We talked about this and the new HP Tuners yesterday. JJ and I cut down a wiring harness a while back but I wasn't sure I would use it or not, I was leaning toward the Holley HP. If I end up using the stock computer and harness I am going with a speed density tune w/o knock sensors, w/o MAF or 02's. Much simpler system. It works off air pressure inside the intake instead of a Mass Air Flow. Once enough air surpasses the capability of the MAF sensor the map relies totally on numbers created by the tuner. This is where the HP Tuner comes in, have to know how or have someone that does. I think JJ told me the Tuner has a stand alone feature and capable of Speed Density. The Holley requires all the sensors to work properly to be a true stand alone, it has a function that saves a custom tune but ain't that a waste of money? Did you watch the vid on Holly site, they manually change numbers in the fuel table and you can watch the hp in Stand mode correct the numbers for what the engine needs. The HP will tune itself within two pulls and continue to "learn" as you do what ever you do. You can find a start up tune on LS1tech, close to your engine specs with enough searching but I think Holley has a base tune for the HP on their site. </p><p></p><p>Where have you found the best price on the HP? Subscribed !!!!!!</p></blockquote><p></p>
[QUOTE="mna0121, post: 397929, member: 2868"] Man I am glad you are asking this. We talked about this and the new HP Tuners yesterday. JJ and I cut down a wiring harness a while back but I wasn't sure I would use it or not, I was leaning toward the Holley HP. If I end up using the stock computer and harness I am going with a speed density tune w/o knock sensors, w/o MAF or 02's. Much simpler system. It works off air pressure inside the intake instead of a Mass Air Flow. Once enough air surpasses the capability of the MAF sensor the map relies totally on numbers created by the tuner. This is where the HP Tuner comes in, have to know how or have someone that does. I think JJ told me the Tuner has a stand alone feature and capable of Speed Density. The Holley requires all the sensors to work properly to be a true stand alone, it has a function that saves a custom tune but ain't that a waste of money? Did you watch the vid on Holly site, they manually change numbers in the fuel table and you can watch the hp in Stand mode correct the numbers for what the engine needs. The HP will tune itself within two pulls and continue to "learn" as you do what ever you do. You can find a start up tune on LS1tech, close to your engine specs with enough searching but I think Holley has a base tune for the HP on their site. Where have you found the best price on the HP? Subscribed !!!!!! [/QUOTE]
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