I wouldn't worry about intake manifolds, not really worth the money for the little amount of difference it makes. Most people have said they can't feel or see any diffence. Sometimes a small EGT drop (~50*) Save the money and put towards some gagues, a good fuel system and programmer.
Get a bigger charger. It will suck on the street, but you have all the time in the world to spool it on the line. I would also look into getting a cam put in it. Studs, o-rings, and porting would help a lot too, however, all this stuff starts to add up.
What class do you pull in? Get the biggest turbo for that class.
I don't really think the grid heaters are very much of a restriction, from the dyno graphs I've seen they add what, like 10hp in the 2nd gens oke: If I were using injectables, or if it was a competition truck it would definitely be gone. But injectables aren't legal in most pulling classes
There is always more to do. A P&P goes a long way. Talk to Garrett @ Pure Diesel Power
Also a cam and valve springs will help and the cam should help with turbo spool and get better mpg if you care
What clutch do you have in that thing? Biggest charger you can run in your class, 3 piece exhaust manifold, cam, springs, redline box, Mach 7 injectors, studs, fire rings, traction bars, lockers, weight rack for the front, etc.
i dont have any trouble starting the truck. BUT is isnt cold out yet and doesnt get that cold here.
on tdr a guy put one on with a dtt elbow and got like 30 more hp.
I wasn't interested in more hp just more effecient power. I can pull on the freeway without my edge defueling now so in my book it did something.
how do you like the smarty stack. I wanted to stack it with my juice since it is basically a comp.
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