[Jcrow]

I have the VE pump. My question is, why does the throttle arm move so far, then stop, then it can move further under more spring tension. Almost like it is a 2-stage throttle?

 

[Mikel]

It prevents the throttle cable from bottoming out the throttle linkage and overstressing it.

 

[Jcrow]

So once it hits the first stop, that is max throttle correct? the throttle lever apprears to move about 45* at the first stop, then all the way is about 60*
I am putting together linkage for the 700r4 TV cable. So total sweep on a 4bt is 45* a gasser is 90* I will have to make the linkage account for this.

 

[LincTex]

So once it hits the first stop, that is max throttle correct?

Correct. The other spring on the throttle arm is to prevent you from breaking the arm off when you stand on the right pedal!

 

[wthif]

So once it hits the first stop, that is max throttle correct? the throttle lever apprears to move about 45* at the first stop, then all the way is about 60*
I am putting together linkage for the 700r4 TV cable. So total sweep on a 4bt is 45* a gasser is 90* I will have to make the linkage account for this.

Jcrow,
Could you post some pictures and measurements when you're done. I haven't quite decided how I'm going about mine and would appreciate seeing how you went about it.
Thanks

 

[DarylB]

JboxJohnny has a few good pics of his throttle cable in the 700R4 Thread

http://4btswaps.com/forum/showthread.php?t=172&page=3

 

[sdstriper]

The secondary spring action there is called the "breakover spring". That throttle stop is the high idle or "no load" adjustment. I removed my high idle screw and have the throttle pedal shimmed out from the firewall so I get the most throttle travel I can get. It increased travel sigificantly, power and top speed...

 

[Jcrow]

thats good to know, i'll have to make sure im getting the full throw. I also found out the gasser throttle moves 78* rather than the 90* I wrote in a previous message. This is the same for a rochester quadrajet and a TBI