Although you changed your downpipe, you may want to consider the turbo elbow outlet, which has an inner diameter of 2.3" ish.
This chokes the exhaust and increases egt and basically restricts overall performance.
Fresh, properly rebuilt injector pumps also make a world of difference. But as...
Check the I beam bracket too. My former truck had the same problem. Cracked badly in three different places. Shook like all hell over 50mph, I got lucky it didn't let loose
Providing you have opened up your turbo elbow outlet to 3" inside diameter(weld a 3.25" or 3" vband to a cut elbow) and use aftermarket obs powerstroke elbow or a fairly modded super duty stock down pipe.
And 3.5" min back to the tail pipes. Then I would recommend a small vacuum tee into the...
I ran a Holley blue marine pump on my old crew cab before I knew y'all ran reds. It freakin flew, I mean it was fast. Those are 15/16 psi unregulated if I'm not mistaken.
Could be the intake valley drain if it's clogged, rainwater could go into an old hardened turbo drain. Happened to mine, I had a mini breakdown. Then changed the oil and cleaned the drain, good to go
It sounds more like your injection pump giving you the proper timing advance for a bit thus giving you that power that you never feel because it is so worn out that it never has any advance. my old truck did that a bit before i got a midwest rebuilt pump. It does feel strong but it could be...
I cut off the end of my turbo elbow when I did my downpipe to connect to the super duty 3.5" exhaust
I had a 3.25" v-band laying around that I had originally intended for another project for a holset, so I used it.
I used a 3" ID pipe to start the downpipe and tack welded the down pipe into...
Sometimes in my experience when the injector pump has seen hell and has seen fine sediment (from waste veg oil, my first idi-t) and a clogged filter and been able to,run hot due to lack of fuel to cool it: my truck would cut off abruptly as off air suddenly entered the lines and would be a *****...
The switches commonly burn up that control the parking and head lights. Pull yours, I bet you'll find the dimmer coil burnt through. Either way, it is something to check. The fuse also first, but that is obvious
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