Conversions & Swaps LSX Engines in Non-LSX Vehicles
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4000 pulse or 8000 pulse/mile

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Old Feb 22, 2009 | 01:26 PM
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From: Bulls Gap Tn
Default 4000 pulse or 8000 pulse/mile

I'm confused, a year ago I followed a thread to Dakota digital for a GM pass thru 8k pulse generator SEN-01-4160).I bought that but now I see a thread that lists in connector C100 a wire to go to a 4000Pulse VSS. I have a 2004 LM4 5.3 with a harness and computor from a 2005 Silverado 5.3. What do I REALLY need. This is going in a 65 Vette with a Muncie 4sp. Any help would be appreciated.
Bob
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Old Feb 22, 2009 | 07:30 PM
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You can use a 4K or an 8K pulse VSS as long as the pcm is tuned for the VSS output. Just make sure it's a two wire VSS so it sends the correct type of signal.
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Old Feb 23, 2009 | 08:48 PM
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Thanks for the info. The ecm will need some stuff removed anyway so I'll let the tuner know what I have for VSS.
Bob
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Old Feb 23, 2009 | 09:16 PM
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What is he going to use to tune it? Early last year, when I checked, EFILive would only go down to 10 pulse per rev, while HP Tuners would go all the way to zero. EFI may have updated by now.
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