to high exhaust temp, why?

[dallas]

i have a 500 hp i was putting a procharger on to and during thr dyno test the #1 cylinder was going over 1600 degrees all the other ones were under 1500. they checked the injectors it was ok any thoughts thanks

[Rexone]

Usually it's a lean condition causing that. May be poor intake manifold design leaning out that particular cylinder.

[502procharger]

Either way you need to jet or re program to get the cyl with the highest temp into an acceptable range. It might make the rest a bit rich but it's better than burning up the motor

[dallas]

they were trying to make the other ones richer but it bought the hp down to about 600 and it is 6.5 lbs of boost and the 1 cylinder still got to hot