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'72 K5 - BYT - 1 ton swap

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ashman said:
I was able to measure my friends Tahoe at lunch today. His pedal movement was only 1-1/4". :thinking:

Thinking back, my pedal movement may have been slightly less than 1" but still that means I may only need to get 1/2" or so more of pedal travel to make things a lot more comfortable.
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How about moving the entire pedal assembly mount up on the firewall a bit, and then cut-and-weld a little longer rod onto the gas pedal itself? :thinking:

You'll get more "throw" with a longer pedal, and it won't be that hard to do...

Come to think of it: Cut the existing pedal and then put a hollow "sleeve" over the two cut pieces so that you can experiment with different lengths easily. (Just do a small tackweld on each side, or drill and tap for a set screw).

You can play around with increments of 1/4" at a time to see what "feels" right without cutting your pedals apart 20 times. :waytogo:


-G
 
Sometimes the simplest solution is the correct solution. A stock 2003 pedal simply comes off of the sensor assembly with no fancy lever action so I decided to try not making this so damn complicated and bent up a new throttle arm and tacked it into position. It measured at just about 2" of travel, about double what I had before. :rolleyes:

I guess I just got caught up making it "fancy".
How it looks now:
Acc_pedal9.jpg
 
But the real question is: How did it work...? :thinking:


-G
 
Looks like my '05/ 68 set up. Feels good to me and it's still pivoting off the floor :) You have the '03 TPS computer too right?

Using the stock "spoon" that rests against the pedal. Also, BD Engines welded a small "stop" on the armature and reflashed the idle/WOT positions.

0E1C2E95-AB98-4C01-8A7F-CE1F973D4BFA_zpshncplit6.jpg
 
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K85 Octane said:
Looks like my '05/ 68 set up. Feels good to me and it's still pivoting off the floor :) You have the '03 TPS computer too right?
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Yeah, I remember you linking that pic before. My '72 doesn't pivot off the floor like the earlier models do so I thought it would need to be done differently. Evidently not. :P I did have to put a pretty good bend in mine though to get it far enough left. I bolted the TPS in using the stock bolt locations so maybe that meant that mine is in further left than yours.

Originally I was trying to come up with a solution that didn't involve messing with the stock pedal because I was still driving the blazer at the time. Once I realized I never needed to go back to the stock pedal arm again it got me thinking about it differently.
 
Winter project is underway! I just went and put a deposit down on a 4L60E with 128,000 miles on it. They will pull it out of the vehicle and I'll pick it up next week.

Time to start sourcing parts. What all am I going to need?
I still have the connections on my wiring harness for it. The only thing else I can think of off the top of my head is a shifter. Any suggestions?
I found this one interesting:
http://www.rjays.com/Lokar/lok-nos-shifters-01.htm
nostalgia-sm.jpg


Not sure if I really want to go that route though. Maybe a more traditional floorshifter... :thinking:
 
Sweet!

Is there no way to utilize the stock shifter? No conversion or anything? Something I didn't think of really as I daydream! It will be some time before I get to that though. For now I'll keep taking my notes!
 
ashman said:
Winter project is underway! I just went and put a deposit down on a 4L60E with 128,000 miles on it. They will pull it out of the vehicle and I'll pick it up next week.

Time to start sourcing parts. What all am I going to need?
I still have the connections on my wiring harness for it. The only thing else I can think of off the top of my head is a shifter. Any suggestions?
I found this one interesting:
http://www.rjays.com/Lokar/lok-nos-shifters-01.htm
nostalgia-sm.jpg


Not sure if I really want to go that route though. Maybe a more traditional floorshifter... :thinking:
Click to expand...


I have tried several different floor shifters and I think they suck to use since they mount so far down on the floor, or you have to build a box of some sort to raise them to a usable level then the box ends up looking redneckish. I prefer the Lokar shifters but in a 16" flavor. I tried the 23"; it ended up being about dash pad height and looked more rat fink than I wanted. The added benefit of the Lokar is they have tons of adjustment and should come up throught the existing hole in the floor.

http://www.summitracing.com/parts/lok-ats64l60ebm/overview/
 
Bigblue7-2 said:
Sweet!

Is there no way to utilize the stock shifter? No conversion or anything? Something I didn't think of really as I daydream! It will be some time before I get to that though. For now I'll keep taking my notes!
Click to expand...
If I had an automatic I'm sure I could, but mine is a stick so no shifter to adapt.

Babaganoosh said:
I used my factory shifter on my 4l60e long live the column shifter.
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Hmmm, you've got me thinking... I wonder if getting a column out of an automatic and swapping it in would be worth doing... I don't want to give up my tilt-wheel though. :thinking:
 
ashman said:
If I had an automatic I'm sure I could, but mine is a stick so no shifter to adapt.


Hmmm, you've got me thinking... I wonder if getting a column out of an automatic and swapping it in would be worth doing... I don't want to give up my tilt-wheel though. :thinking:
Click to expand...
What's your plan for the nv4500? What made you want to ditch it?
 
Z71paramedic said:
What's your plan for the nv4500? What made you want to ditch it?
Click to expand...
Mostly I just want to go automatic. I'm getting older I guess and I'm just getting sick of shifting. :P Maybe with a different transmission I would have been willing to keep it but the huge gap between 2nd and 3rd is annoying as hell. I didn't realize before I had it put in that it was exactly the same as the 465. Also, I think I have the 5th gear issue. The transmission makes all kinds of noise when you let off the throttle while in 5th gear. I don't know what my plans are for it just yet. I guess I'll try and sell it, but I may need to fix whatever is wrong with 5th gear first.
 
ashman said:
Mostly I just want to go automatic. I'm getting older I guess and I'm just getting sick of shifting. :P Maybe with a different transmission I would have been willing to keep it but the huge gap between 2nd and 3rd is annoying as hell. I didn't realize before I had it put in that it was exactly the same as the 465. Also, I think I have the 5th gear issue. The transmission makes all kinds of noise when you let off the throttle while in 5th gear. I don't know what my plans are for it just yet. I guess I'll try and sell it, but I may need to fix whatever is wrong with 5th gear first.
Click to expand...

3 pedals in a sports car.... I get that. 2 in a truck seems like the right number to me. :)

-G
 
Lol. Glad we can all help your ideas come along! Plenty of autos with tilt wheel out there I'm sure. Mine is!

I'm definitely not old, but I like the 2 pedals too! Less thinking with what we all use them for. cruiser crawler doesn't matter.
 
f*ck column shifters... it's the ANTI-performance choice..
 
ryoken said:
f*ck column shifters... it's the ANTI-performance choice..
Click to expand...
yeah, I really don't feel like messing with the column right now anyway.
Probably going to go with that Lokar shifter or something similar.
 
Transmission is here.
4l60e_1.jpg


What would you do as far as fix ups? Replace the filter? More?

I forgot to ask for the dipstick so I'll have to try to get that tomorrow. Also, I know my wiring harness included a neutral safety switch but I'm not sure I still have it. Can/should I run without it? I'm also going to ask for the cooler lines. I probably can't use the whole line but at least I can get the right fittings for the transmission side. I *think* that my radiator is set up for transmission lines... gotta check on that.
This weekend I'm going to hit the junkyard and see if I can round up a brake pedal from an automatic. Also going to order that lokar shifter I think.
 
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