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Hey all...i am going to make my own turbo - IC pipe and i am wondering what size i should go with. It looks like its a little over 2"ID. Anyone know the specifics??

When you install the wastgate on the xover pipe do you disconnect the internal one??

Took the truck out for a sunday drive today (it was a nice day). Well i never noticed before, but i do not reach a full 15psi of boost until around 4krpms. Then the boost falls down to 10psi between shifts comming back to 15psi around 4krpms again. Is this normal?

My father is a dragracer (for the past 9 years) when i broke the propshaft i asked him where i could get one made. There is this shop near my house that makes bigrig driveshafts and he said a few of his racing buddies have them make their racing shafts. So i gave them a ring. They cut my...

Damn thats a good price....wish mine wasnt broken beyond repair :-?

Not sure but it only cost me 185$ to have a heavy duty one made for my truck. How much is rebuild kits.

I will be looking into nitrous when i rebuild my motor (eventually). Nitrous works great with turbo cars (delt with some vw 1.8t's with nitrous). A 50 wet shot on a NA car can be anywhere from 50-100 on a turbo car because of the cooling effect. Anyway a very good electric boost controller...

Running a dual solenoid boost controller can make boost come on faster then using the stock ecu becuase it can open the wastegate valve faster. This allows the wastegate to stay closed while boost is building rather then creaping open. It also helps out with boost spiking. There was a good...

Send it over. E-mail address dharris@capitol-college.edu

In looking at my datamaster files more i noticed that my Lterm is always in the green (lean), even if i am getting a DTC code saying i am running rich. Also in the boost runs i did.....the injector duty cycle was above 85% alot. Any more thoughts on this subject from anyone.

Ok i checked the vacume hoses on the boost solenoid and they look to be fine. I did come up with couple ideas. These are things that would have to be upgraded eventually to get where i wanna get so i have some options. First option is the ignition system (maybe all msd stuff not sure about...

No noticable knock meaning by my ears. Truck sounds the same to my ears before and after mods. So it might have been knocking before i dont know i never used datamaster on it in stock form. I think ill start by replacing vacume lines. Thats a pretty cheap and easy thing to do. What should i...

I was trying a few fuel pressure combos thinking i might have a faulty gauge. Thats why there is different runs. As far as the spool-up I have never been in another syty so i cannot compare. It does feel like boost raises slowly, but only when the truck doesnt downshift a gear. When the...

Ok here is the background on the truck. 40kmiles everything orginal. Truck ran good (no noticable knock). Ran a couple 13.8's @ 97mph (before mods). I now upgraded with the following mods: KB CAI, Ultimate 3bar, KB FPR, Walboro 255, rerouted ic lines, 2 spal fans, 4 gauges (fp, oil p...

So you need the biggest cheapest turbo you can find and you ONLY want to run 24lbs. WOW....thats all i have to say. Like said before go buy maximum boost.

I broke mine after 40k miles and a couple hard awd donuts. Sent it to dynotech and they said the could not rebuild it and i had to get a new one $490. So i took it to this shop that makes Big Rig truck driveshafts. A bunch of local drag racers have thme make their shafts. It cost me $185...

Ok i think i found the problem. First i had the datamaster set to a 2 bar map....after i changed it to a 3bar it showed the proper boost levels. I was getting knock at 10psi not 6psi. And i believe the reason was because my ic pump wasnt working as well as bad gas. I drove the truck about...

Ill try that tonight....anyone else have any help on the datamaster question.

If you still have the 2 bar map your ecm can only see 14.7psi. So going to 17 means you are 2psi over what the ecm can see (i believe). I would diffenetly get the 3bar map. Just try the 3bar map and hook up datamaster and check out your duty cycle on the injectors. Just a map might get you...

Ok so i finally get my truck up and running (syclone) with its new mods: KB FPR, KB CAI, KB air foil, 3bar map, ulitmate chip, walboro fuel pump, jabsco ic pump with duel spal fans, new (oem) cap/rotor/plug & wires, gauges (oil pressure, fuel pressure, boost, ic temp). Ok so i set the fuel...