power? whats holding me back?
#11
thanks guys for the replies, its very possible the timing has slipped, i have the snap-on tool but the timing hasn't been touched since i got the truck 3 years ago. it does pop every once in awhile but only when not warmed up. as for the afc housing im getting plenty of fuel with out the plate and airdog with the starwheel ff i can black out the sun, its about half way now. there is a considerable difference in amount of smoke from ff to half way though. with the gov spring install i did i used a micrometer to insure the proper tightness and correct amount of stud was showing so i don't think it would be that. no exhaust leaks or air leaks i replaced the entire fuel system with the airdog install which fixed my air in the fuel problem. my charger has zero play side to side and correct amount in and out but it does take a bit to spool unless my star wheel is close to stock location. for further reference i run at 700-800 degrees at 70mph at 2000 rpm with 3-5 psi 10 psi on hills with seems right due to the lack of extra load from not having a fan. brand new fuel shut off selinod as well. and 3200 rpm is while driving i dont like to push it too much further then 3k until the 60 lb valve springs are installed. other then the lack of power the truck runs great starts with half a crank and pulls good up to 28-30 psi. but thats all i can hit. the turbo is plugged both on the housing side and wastegate side. is it possible my wastegate is bad? thanks again
#12
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Make sure the goveroner springs are tensioned completely evenly or it will bind causeing the rack to not fully travel and limiting fuel. You should be able to get it over 1000 degrees with no fuel plate if you work it hard. So it sounds like a fueling issue to me but I can't be sure with out looking at it.
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#18
Well i have to add im having the same problem. (1994 2500 4x4 auto) Yet i have a CAI stock exhaust minus the cat and muffler, and i had a 180 pump fuel plate. I dont have gauges to help other then a boost gauge. but with the plate all the way forward and the starwheel maybe 1/8 inch away from front of the hole. All i get is a pluff of smoke then its gone and 28 29 psi and it burns fuel i drove 805 miles and put about 50-60 gallons in. thats about 16-13 mpg.
I will add though i now my wastegate is locked up because if i hook the boost tube up i only get 8 psi. 30mpg ish its at like 2 psi and 52 mpg in 4th is like 6 psi.
So maybe that would help you. and maybe someone would now why im burning so much fuel. Im thinking my wastegate is stuck open so im taking it off tomorrow after work.
I will add though i now my wastegate is locked up because if i hook the boost tube up i only get 8 psi. 30mpg ish its at like 2 psi and 52 mpg in 4th is like 6 psi.
So maybe that would help you. and maybe someone would now why im burning so much fuel. Im thinking my wastegate is stuck open so im taking it off tomorrow after work.
Last edited by beast6.5; 12-19-2011 at 12:00 AM.
#19
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