So I bought a 2000 Chevy Blazer with a small block Chevy swap .the accelerator cable busted,. And I need help to figure out what size throttle body cable I need on it? Do I need a custom throttle body cable for it or can I bye the original throttle body cable that was in the Chevy Blazer when it had the 4.3 Vortec V6 in it.

 

That question really can't be easyly answered - your best bet is remove the cable and housing and take it to a parts store or a bone yard and compare with others .....

 

Is the small block running the fuel injection manifold or a carb?