Funny thing about that exaust, I read an article by the owner of http://www.hhtrailer.com thathad that exuast installed.
Loved the power upgrade, but then he noticed that the truck under heavy throttle would just shut off, he would coast to the side of the road, and the truck would be fine. He would take off and be ok for a while then when under heavy load it would happen again.
He took it to a dealer and he pulled the trouble code from the computer, seems the free flowing exaust caused an over boost situation, and the truck would shut off, to save the turbo and engine. Gotta love them puter controlled trucks.
I guess DD is working on a puter fix.
I saw one today with an 8 1/2 Western Pro on it. It was brand new just leaving the Chevy dealership. The thing was squating so much, the front wheel camber looked like the front wheels on an F1 race car!! Now I know it didn't have any ballast in it, but MAN, looked like the front end needed alot of help I can't imagine what a V would do to it.
Oh, and Dave. There is some guy around where I live with a Black Dodge/Cummins who tries to race me every time he see's me! That wouldn't be you by chance would it? (joking) He's tried 6 or 7 times and still see's my tailgate badges even if I give him a head start
Just got a TTS Flip chip with stock/towing/race settings. Blows my old Diablo away!!
I have a 1989 F-250 Ex Cab,LongBed,Diesel Non-tubo w/5 speed Manual.
Gets over 20 mpg on the highway with trailer(I do NOT go slow).
I wanted the F-250 for the useable power and Economy.
It does great with the Lobo V plow by Sno-Way.
Would be nice to turn a little sharper like the 1995 Dodge D-2500 Ex Cab,Longbed,Tubo Cummins W/5 Speed Manual. The Dodge emty does not get 20 MPG. It pulls a little harder (quicker & Longer) but needs the 6 Speed to go as fast.
Can't see why anyone would want a auto.
My point is the monster power is not REALLY NEEDED!
On a serious note. There is absolutly no comparison in the "useability" of a diesel truck that is chipped with one that is not! I own a construction company, and along with plowing, I do a tremendous amount of hauling. I tow a 9,800# skidsteer trailer at least 3-4 times a week. I bought this truck just for that purpose. I was very pleased with the way it performed stock. Had plenty of power, got good mpg's(18-19 empty and 12-14 towing), I was happy. Then I installed a 54hp Diablo chip and WOW!! Throtle response was better, shifting was better, and mpg went up 2-3 mpg! I thought it towed nice stock, but this was unbelievable. Not that the truck labored alot before, but now it was like the 9,800#'s was not even there! Another thing I found out is just how much FUN the truck was to drive empty. It was like driving an 8,000# sports car Of course the kid in me(my wife thinks I'm 5) had to go for more power (ah, ah, ah, ah). So I went with a "flip chip" that enables me to switch between programs. Stock (for when I take it to the dealer for any work), Tow (for towing, plowing and everyday driving), and Race (for just flat out having fun!)
Yeah it's switchable on the fly. Pretty cool
A bunch of us are going to dyno our trucks again in a couple months. I'll let you know the results. We are even going to let a couple Ram's in LOL!
You'd have to drive one to understand. Maybe you don't want/need the XTRA power. Guys like Greg and myself obviously do, and once your hooked...
Dockboy said it the best. It's like driving an 7K lbs(in my case) sports car. The way it EFFORTLESSLY pulls a trailer on the highway is surprising...just like the faces of the 5.0 gt drivers as they are passed. And just FYI, I routinely get over 20 mpg empty with my '01 auto xcab 2500, IF I keep it under 75.
Good luck on the dyno. My friends pulled around 380rwhp, they had no tach hookup(need for torque). I did calculate it out to ~900+ftlbs @2000rpms. The cummins pull from 17-2700, then roll off a little. 3200 is max by ECM. And yes, he snapped the trans output shaft in 1/2.
Watch out for the black Ram...LOL
Can't wait for Dino to get his Dmax so I can run one...
I like having a truck that can keep up with the traffic and a little more. Especilly when I'm towing. I had a Dodge 1 ton maxi van and towed a 23' airstream. It was great except when I hit the up hill climbs... then all the slow sunday drivers would pass me. Leving me to pass them over & over again. Lot's of hills, mountians, and river valleys around here (example I live at 3500' on a Prairie and shop in Lewiston at 700' elavation). All of the roads around here are 1 lane each way and few passing opertunites.
I still get around nicely with the ford and no turbo. And yes some are never happy with enough. The Dodge I have has more power the many simi trucks on the highway. That is enough power for me. Though I am ALWAYS looking for more MPG's. One of the main reasons I have a Diesel is mileage, second is power. I also like the weight, don't get blown around.
FYI I have an 83 F-250 4X4 Diesel that has an after market cab instulation added. It's that expanding foam instulation. Thay drilled holes every foot so an sprayed it in. You can hardly hear that Diesel even at it's worst. Worth it's weight in gold.
Mike in IDAHO
Dino,the overboost is happening to stock trucks too,if you are reffering to the D-max.GM knows about it,but has no solution as of now.No matter what exhaust you put on a turbodiesel-a properly operating waste gate should open,at the desired boost and a maintain max boost without overboosting.This is not the exhaust sytems fault-it does allow quicker spool up,but the wastegate should cap the boost at 22PSI on a Dmax.Some guys have had there trucks for months,and until a real big load is applied-they will not do it,it takes a lot of fuel and load to get the boost that high.