My 5.3L into a Jeep Wrangler

[Chuck21387]

Is this the adapter i need you think? Is the VSS just a 2 pulse?



or i found this one too...4 pulse



These both say that they're for the TPI or TBI systems...


Edit: oops...i think i need one of these....

1.623 RELUCTOR RING from
http://www.downeyoff-road.com/EngineCompon...eedSensors.html

[Chuck21387]

nobody knows if i can run the easy 4pulse adapter????

[1BADC10]

Looks simple enuff. What's the difference b/t the stock VSS vs that one? If stock is 4-pulse setup, take it and run. All the adapter does is report electronically what it sees to the PCM, with a mechanical output to the speedo, right?

[Chuck21387]

<div class='quotetop'>QUOTE(1BADC10 &#064; Oct 5 2006, 11&#58;22 AM) [snapback]67997[/snapback]</div>

Looks simple enuff. What&#39;s the difference b/t the stock VSS vs that one? If stock is 4-pulse setup, take it and run. All the adapter does is report electronically what it sees to the PCM, with a mechanical output to the speedo, right?
[/b]

Right, but how do i find out if the stock VSS is a 4pulse read out? That&#39;s my problem...

[1BADC10]

<div class='quotetop'>QUOTE(Chuck21387 &#064; Oct 6 2006, 07&#58;02 AM) [snapback]68112[/snapback]</div>

Right, but how do i find out if the stock VSS is a 4pulse read out? That&#39;s my problem...
[/b]

May seem like a long-shot, but call a GM Service or Parts Dept. If you call a Chevy dealer, and they don&#39;t have that info, call a GMC dealer. The two brands in my area have different catalogs. The Chevy guys have more info in their system. I&#39;ll check AllData to see if anything&#39;s listed (doubt it though).

[kwkenuf]

Jags that Run makes a kit for an external reluctor ring.... aboiut &#036;75, Heres a pic I took from their VSS manual PDF,

[Chuck21387]

<div class='quotetop'>QUOTE(kwkenuf &#064; Oct 10 2006, 10&#58;46 AM) [snapback]68674[/snapback]</div>

Jags that Run makes a kit for an external reluctor ring.... aboiut &#036;75, Heres a pic I took from their VSS manual PDF,


[/b]

Yup....i&#39;m gonna have a CNC shop cut me one to fit a 14bolt yoke though...should work if it i have to go that route...

I&#39;ll have to build a skid plate for it...but that&#39;s cool...

[Chuck21387]

<div class='quotetop'>QUOTE(1BADC10 &#064; Oct 6 2006, 11&#58;32 AM) [snapback]68153[/snapback]</div>

May seem like a long-shot, but call a GM Service or Parts Dept. If you call a Chevy dealer, and they don&#39;t have that info, call a GMC dealer. The two brands in my area have different catalogs. The Chevy guys have more info in their system. I&#39;ll check AllData to see if anything&#39;s listed (doubt it though).
[/b]

Well, turns out it takes the 40 pulse per shaft rotation reluctor ring thingy....so...i dunno what i&#39;m gonna do...anybody ever try tricking the PCM....hhhhmmm research research...

[hummertech]

why do you need a speed sensor??? wont the engine run without it?? can it be programed out?? check
street&preformance
advanceadapters
if your looking for just a speed sensor to tell the computer that the car is moving i dont think it matters how many pulses it is, as long as it thinks it is moving. my 350 tbi flat fender doesnt have a speed sensor input. it runs just fine, pluss untill the computer sees speed input it wont look for egr or do emmission testing. i dont have a custom chip or any emmissions wired up and have never had a check engine light come on yet. people say that is is not up to full power untill it senses speed but i cant tell it runs dam good.

[Chuck21387]

<div class='quotetop'>QUOTE(hummertech &#064; Oct 10 2006, 07&#58;57 PM) [snapback]68644[/snapback]</div>

why do you need a speed sensor??? wont the engine run without it?? can it be programed out?? check
street&preformance
advanceadapters
if your looking for just a speed sensor to tell the computer that the car is moving i dont think it matters how many pulses it is, as long as it thinks it is moving. my 350 tbi flat fender doesnt have a speed sensor input. it runs just fine, pluss untill the computer sees speed input it wont look for egr or do emmission testing. i dont have a custom chip or any emmissions wired up and have never had a check engine light come on yet. people say that is is not up to full power untill it senses speed but i cant tell it runs dam good.
[/b]

Yeah, i think i&#39;m gonna try that route first...seems the cheapest...and i&#39;ve read that it can run up to 17% below full capabilities...so that&#39;s a big deal...i guess...but going from a 4cylinder to this V8 is gonna be such a huge difference that i won&#39;t notice 17%....although they also mentioned that it got about half as good of fuel mileage...because it shuts down fuel on deceleration...i dunno...i&#39;m just gonna try it...and i found a way better solution...someone made a ring to go on their pinion yoke, and it had 40 teeth, for the 40 pulses per single rotation it needs...then just hooked up a brakcket with the sensor in it and they were good to go...that way you don&#39;t have to tear out the tranny and press on the reluctor ring...if it doesn&#39;t work without the sensor (like yours is setup), then i&#39;m gonna hit the CAD and draw one up in 3d and send that file to my CNC guy and have him cut one...we&#39;ll see if it works &#33;