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Jeep Street and Performance Do you like to go fast in your Jeep?

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  #211  
Old April 4th, 2010, 05:52
Frank Z Frank Z is offline
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Re: 5.3L Vortec V8 Conversion

You've already got all the info you need right at your finger tips. Help is just a Search, Google, or click away. Never sell yourself short or underestimate your capabilities friend.

I'll try to get some pictures of the modified shifter and mod details posted in the next day or two.
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  #212  
Old April 4th, 2010, 05:55
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TYphoon TYphoon is offline
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Re: 5.3L Vortec V8 Conversion

It will happen one day . Maybe after/during college. I can't wait to see what kind of cool toys I am going to find up at PSU
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  #213  
Old April 4th, 2010, 07:17
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John D John D is offline
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Re: 5.3L Vortec V8 Conversion

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Originally Posted by Frank Z View Post
I'll try to get some pictures of the modified shifter and mod details posted in the next day or two.
Sure... sure...
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  #214  
Old April 4th, 2010, 10:03
xj-grin xj-grin is offline
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Re: 5.3L Vortec V8 Conversion

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Big congrats, Frank - she sounds great!
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  #215  
Old April 4th, 2010, 10:20
Frank Z Frank Z is offline
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Re: 5.3L Vortec V8 Conversion

After screwing around with a wide variety of GM shifters, and being too damn cheap to buy a mega-dollar aftermarket shifter, I figured that there had to be a way to use the stock shifter to control the 4L60E.

I used a tape measure to determine the amount of movement (throw) in the cable at the shifter end by manually shifting the tranny linkage. This gave a starting point for determining the P-R positions. Once this was done I cut off the tab from the shifter that holds the pin for the stock shifter cable with a Dremel. I then tack welded it onto the shifter to allow for the proper amount of cable extension when shifting from P to R.


Next I addressed the stops cut into the shifter, obviously they would not match the new tranny/cable. after securing the shifter and connecting the cable I cycled the shifter through all the gears and marked where the locking pawl stopped. I'll clean this up and create new stops for each position with my Dremel and small welds as needed.


Different gear position.


I knew that the 1st gear position would require increased rear travel so I removed the rear stop by cutting away a little metal at a time so the shifter would have the correct amount of travel.


As you can see the bend in the shifter will have to be straightened out a pinch so that it doesn't contact the console. I can't straighten it too much or it will hit the HVAC controls. For future reference, an earlier model shifter might be a better choice since it is not bent as severely.

Although the gear position indicator doesn't line up with the new positions (I'll work on that later), I'm actually pretty impressed with the results. Shifting is as smooth as silk.



Last edited by Frank Z; April 4th, 2010 at 10:32.
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  #216  
Old April 4th, 2010, 11:15
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RedHeep RedHeep is offline
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Re: 5.3L Vortec V8 Conversion

Very impressive. I'd love to tackle something like this next year.
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  #217  
Old April 4th, 2010, 13:19
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Re: 5.3L Vortec V8 Conversion

Thanks Frank, nicely done.

Are you using the stock t-case shifter/linkage also?

I'm going to return to this part of my build someday. I like this alot better than mine.
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  #218  
Old April 4th, 2010, 15:15
Frank Z Frank Z is offline
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Re: 5.3L Vortec V8 Conversion

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Originally Posted by John D View Post
Thanks Frank, nicely done.

Are you using the stock t-case shifter/linkage also?

I'm going to return to this part of my build someday. I like this a lot better than mine.
Thanks John, it means a lot from someone that has already been there and done that.

i just went through the pics on this thread because I was pretty sure I posted on of the mods I did on the linkage/bell crank assembly....seems I never did post any. Basically I had to cut it apart and re-weld it to mate to the new tranny/t-case configuration. If I don't have any on my computer I'll crawl under the heep at take some.
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  #219  
Old April 4th, 2010, 17:03
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dinorl007 dinorl007 is offline
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Re: 5.3L Vortec V8 Conversion

congrats on the build, have been reading and keeping up with this from the beginning, excellent work and thanks for sharing, i realize u havent drove it, but curious if u think your drivetrain will hold up the skinny pedal?
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  #220  
Old April 4th, 2010, 17:06
Frank Z Frank Z is offline
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Re: 5.3L Vortec V8 Conversion

D44 w/alloys out back and Ford HP up front....yeah it'll be fine. Besides, I drive like an old woman.
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  #221  
Old April 4th, 2010, 17:21
xj-grin xj-grin is offline
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Re: 5.3L Vortec V8 Conversion

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D44 w/alloys out back and Ford HP up front....yeah it'll be fine. Besides, I drive like an old woman.
its true. he does.
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  #222  
Old April 6th, 2010, 09:54
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pilotblake pilotblake is offline
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Re: 5.3L Vortec V8 Conversion

I have a carbed 350 in my comanche(xj front), and with a quality custom all aluminum radiator and 2 electric fans I cannot keep it cool. Not trying to hijack, but I want to be able to drive this thing but cannot get 30 minutes of fun out of it before it gets up to 240 plus. Any ideas? Also have a custom cowl hood I built to help get the heat out.
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  #223  
Old April 6th, 2010, 09:57
Frank Z Frank Z is offline
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Re: 5.3L Vortec V8 Conversion

How many rows in the radiator?
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  #224  
Old April 6th, 2010, 10:20
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wolfpackjeeper wolfpackjeeper is offline
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Re: 5.3L Vortec V8 Conversion

what cfm do the electric fans pull. I have seen someone hook up two aftermarket fans meant for a tranny cooler thinking it would be enough.

Does it overheat going slow, or on the highway, both?

Anything blocking the radiator, is the lower hose sucking flat. How much "high flow" cooling crap does it have?
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  #225  
Old April 6th, 2010, 10:32
Frank Z Frank Z is offline
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Re: 5.3L Vortec V8 Conversion

I'll measure the airflow next time I work on the heep and let you know.
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