1996 Silverado 2500

[JScott23]

Hey sorry just saw this... I did NOT do a high idle switch in ether of my 6.5's. Mine are both have mechanical (DB2) injection pumps, which are designed with cold start advance for cold starting. Aside from that I don't see a reason I need high idle. lol

 

[Whitehoe]

I need opinions what is better for these trucks 3 or 4 inch exhaust