Idle problem on C15 261 CU IN

[Phil Waterman]

Hi Guys

Wondering what are you using for a manual on the 235 & 261 engines? Are there significant differences between any of the timing or carb specifications? Particulaly are there differences between the US and Canadian versions.

I've had sectons of the 1960 Truck Manual covering the 235 and 261 truck engines http://canadianmilitarypattern.com/1...e%20Manual.htm if there are other sections of that manual that anybody needs let me know.

I remember that some of the vacuum advance systems have a special fitting that looks like a regular fitting but has a very small passage through it, purpose to dampen sudden changes in vacuum. Can not find my notes on which engine or carb I found this.

Cheers Phil