LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Lt1 th350 and vss

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Old 05-15-2012, 02:02 PM
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Default Lt1 th350 and vss

Does anyone know if I can do the vss (vehicle speed sensor) to Wss (wheel speed sensor) to get the speedo to work with out programming? I do not care if the speedo is correct I just need the vss code to go away do the car will idle.
Old 05-15-2012, 02:55 PM
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with ls1 computer you can do that mapping, not sure if you can with the lt1 pcm.
Old 05-15-2012, 03:32 PM
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Mapping for what, I just need to know if pluging my vss into a Wss will tell the computer that the car is moving.
Old 05-15-2012, 03:40 PM
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I know if its like the 700R4s WSS it will go away. But I'm unfamiliar with what came on TH350s.
Old 05-15-2012, 06:14 PM
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To the top
Old 05-15-2012, 08:34 PM
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No it will not work without programming...
Old 05-15-2012, 08:44 PM
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What I did for my th350 swap to get the speedo to work is listed below.

th350 with a 9" tail
Fitz-all adapter kit ( a big spacer )
install the 4L60 reluctor wheel onto the th350 output shaft
remove the tail cone off of the th350, then put the Fitz-all spacer and the tail from a 4L60 in its place. That way the sensor plugs right into the tail and it still gets the proper signal to operate the speedo.
Old 05-15-2012, 11:58 PM
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^^^ That.. You happen to have a link for that Spacer? I have the other parts..
Old 05-16-2012, 06:15 AM
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http://www.teckpak-fitzall.com/lpgm.cfm?id=7-35C&type=I
Old 05-16-2012, 11:17 AM
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Thanks guys for the help, any idea on how much this costs? And if I can t56 Reluctor wheel?
Old 05-16-2012, 11:38 AM
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How long is your tailshaft housing? There are places to get a set up the same size with the vss sensor set up. My Rossler trans came with a 9" tailshaft with a ls1 type sensor in it. You will have to weigh your options on what you want to do. Cheap way of using wheel sensor and reprogram, an adapter and shorten the driveshaft, or new tail shaft housing and sensor. Even the last will require a flash of the pcm. You can also disable the vss code in the pcm to diagnose. If you have a cable and laptop I'm sure asking someone here to look at your current tune and switching it off or program the wheel sensor would make a lot of sense.
Old 05-16-2012, 11:44 AM
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I wired my VSS to my abs wheel speed sensor and it worked just fine with no issues except the speedo was off. My tuner corrected it and its almost dead on now.
Old 05-16-2012, 02:03 PM
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^^^^ thank you AC that is the information I was looking for. I don't care if the speedo is right I just don't war to vss code to come on.
Old 05-16-2012, 02:06 PM
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@jpack my tails haft is the 9" version I'm just not looking to spend alot money. @ Ac does your car set a code when you do a burn out at the track?
Old 05-16-2012, 02:24 PM
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You are still gonna throw codes...has to be reflashed as a 6 speed car....
Old 05-16-2012, 02:28 PM
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Originally Posted by AChotrod
I wired my VSS to my abs wheel speed sensor and it worked just fine with no issues except the speedo was off. My tuner corrected it and its almost dead on now.
AC - Can I just plug in the VSS into that plug on one of the front wheel hubs?
Old 05-16-2012, 03:01 PM
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@ jpack the car was 6 speed car to begin with.
Old 05-16-2012, 03:39 PM
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I run the TH350 currently off the Wheel Hub (2000 Blazer front Spindles, ABS Reluctor), but I want to put it on the Trans for my S10 since it doesnt have the Reluctor.

That's the instructions..I take it you got it from a dealer?
Old 05-16-2012, 05:40 PM
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Originally Posted by the_merv
I run the TH350 currently off the Wheel Hub (2000 Blazer front Spindles, ABS Reluctor), but I want to put it on the Trans for my S10 since it doesnt have the Reluctor.



That's the instructions..I take it you got it from a dealer?
I used that link so you guys could get an idea of what the kit does. I had my local shop order the part.
Old 05-17-2012, 08:55 PM
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That Spacer is exactly what you got?

From my understanding that instruction link takes a 700R4 to a 3 speed?

But that spacer and 700R4/early 4L60E Tail Housing with a non-lockup TH350 make a readable VSS?


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