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So im helping a buddy build his Cummins, actually a P-pumped 24v, and we're putting an hx52 on as a single, 67/71/16. He's got a 181/210 Cam, 100hp injectors (not sure on the dimesions) and a 160 pump, with 19.5 timing, 100 plate, and 181 dv's. My question mostly how do you guys think it will spool? its going to be a daily driver with a goal of roughly 450-550 hp in mind. Ive been researching and some say they have weak shafts, some so they beat on them and are a fun turbo. any input would be great.
What he said that turbo is way too big for what you're trying to do. He351 would work very well for you and you could get it on and working for around $500. I don't see you getting 450hp out of a 160 pump with just 181s and stock injectors. Keep the 181s and get a set of quality 5x12s. I'd recommend DAP or DFI personally.
:EDIT I'm an idiot I just noticed the 100hp injectors. They're most likely 5x12s and would work well.
So with the 5x12's you think the will make 450ish hp? Our thought behind the hx52, was have some room for more fuel before enough air became an issue. We thought the cam would help compensate for some of the lag. We considered a he351, but we're concerned with have a 9cm housing, things getting hot, do you think some 7x10's or 5x14's would make it more driveable? (more like 140-50hp injectors)
If you already have the turbo, you'll be fine, just spend some money on some valvesprings and don't shift before 3500rpm at WOT.
1989 D250 2wd Scheid 14mm VE pump, 5x25s, Air Dog II, Majestic Turbo 62/65/14 S300 NX two-stage. 47RH by J&H Performance. 487rwhp on fuel, 972rwhp on the jug.
1995 Dodge 160hp pump A3K/A5K twins, 564rwhp.
If you plan on keeping the hx52 I'd run 5x16 with a bench pump or 5x18 on a stock pump it will spool better I have ran 5x12 an a hx52 and it was ok spool but jumped to 5x16 and spools faster and isn't so laggy
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