Well been driving my service truck quite a bit, no different than usual I guess, other than installing a Hypermax turbo kit last weekend…
EGTs are okay, for something so heavy. But, soon to be made better.
Power is also reasonable, without a trailer. Still slow going with a trailer, hoping to make this a little better too.
Intercooler should fix that, unfortunately I won’t be anywhere near home when it arrives in the mail. So it will be awhile before that can happen…
Little bit smoky at low RPMs, that will require a different solution, smoke puff limiter should do the trick. But I don’t want to put that on until after the intercooler, which I will install a new Moose Diesel injection pump at the same time.
Supposed to arrive soon, is a cowl induction kit for this truck. Have heard that they do well, coldest air you can get is as good as it gets, and when on the highway there is pressure in the cowl from the windshield, the downside of these is that they make intake noise much louder.
And well, damn it sure is loud enough already.
Don’t understand why, it was actually really quiet before I turbocharged it, now it’s loud… been running the same Hypermax exhaust on the truck with and without the turbo, so I don’t think that’s the issue… but it has a crazy gnarly growl at all times, accompanied by an almost screaming noise (not really a whistle) when the turbo is spooled up.
My 86 was this way, but had no muffler, exhaust ended under the cab.
I did take out about a square foot of that insulation on the engine side of the firewall, where the turbo is, as per Hypermax’s instructions. They claim the turbo kit will make engine noise quieter, negating the need for that bit of insulation. This is the only thing they have told me that I know not to be true… everything else they claim, best as I can tell, is in fact true.
I wish it was still as quiet as before
It is at idle up to maybe 2200 RPM, and then holy crap does it ever get loud. This truck has 5.13 gears so 65 mph is about 2600-2650 RPM in 5th
I have an exhaust leak in the drivers side up pipe, that’s part of the noise but it’s still twice as loud as it was before I put the turbo on…
Also killed yet another vac pump, have an electric one from a 99-07 truck that I need to install, since only HVAC uses vacuum on this truck.
Also I got one of those early bricknose HVAC panels, I think I’ll like that much better.