91 Cummins Upgrade Advice
#3
#4
totally different truck is an understatement... gauges are a must for sure; the 366 spring and fuel cone alone will keep ya smiling, once you hit the full power screw stage just dont get too carried away if there are any hills around. my pyro is post turbo and i hit a long 6-8% grade at WOT 60 mph it started to climb past 900 so realistically it was probably cooking around 11-1200* backed it down to 50 and just cruised; point is w/o gauges i probably would have melted a piston at WOT and 30+ psi of boost you dont have a whole lot of smoke that is associated with hot cylinder temps
#5
X2 Gauges first. I had to back off my full fuel screw cause I have a 7% grade to and from work and if it wern't for the pyro, I'd go 1300* easy. They'll save your ***. Also, pop the little cap off the center of the top of your pump and break the lock nut loose and turn the screw in ( I went flush w/ the nut) and you'll get some smoke. There's lot's of great threads on this site on exactly how to do just about everything you'll need to do. Just look around. Have fun, bud.
#6
#7
idk nadir; it always seems soon as you get gauges and know what's going on with the truck that's when stuff starts to break... and hence the phrase "ignorance is bliss; then you melt a hole in your piston "
#10
Fill out your Sig so we can see what you have(like manual/auto) Glad to see u got ur gauges first, now let the fun begin Get a 366 spring and a Denny T pin, Tweek the fuel screw a little, and be ready for what feels like a totaly different truck! O yea after the test drive dont forget a really big towel to wipe the huge smile of your face. Have fun with it bud!!!!
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Ross59 (10-14-2009)