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Message: [QUOTE="Black 02, post: 1343965, member: 6916"] I ran the twin pumps with the 350/200 injectors for about 3 months in 2014. I had an engine built back then by RPM Northwest in Ridgefield, WA after my PMR motor died and they screwed me over and it blew up after 3500 miles and wouldn't stand behind their work. Rod bearings were toast and I found used parts were installed where new parts were supposed to be used. Extremely long story that has been documented on the army. Long story short, I got about 3500 miles previously using DP's tunes and added a Swamps IDM. Truck ran pretty good but had a similar issue at mid-rpm cruising. Also had the smokey startup and sometimes choppy idle. Never got a chance to work the bugs out before the engine died. So..... I've never had this setup run great in my truck. I sent the injectors back to Full Force back in 2014 to try and figure out the bad idle and smokey start up. They looked them over supposedly and said they were fine. Put them back in it and it still did it. The hitching/miss wasn't as bad, but it was still unsmooth when cruising around 1500-2000 rpm. I sent them back again for them to go through them after the other engine blew just to make sure they were ok and they sent them back and said they were fine. Switched to g-head tunes and put this setup in the truck for a second time and now I'm having these issues. The only thing carrying over from the previous engine is the injectors and the HPOP system. Everything else has been replaced or is new. Lastly, I do not have an HPOP to use. I sold my T-500 and the guy never sent me the core he was supposed to send me. I have an old OBS HPOP, but it sat outside on a wrecking yard motor for a couple years, so I don't really trust it. [/QUOTE]