Building a pulling motor - Diesel Forum - TheDieselStop.com
'99 & up Upgrades and Aftermarket - 7.3L Engine Upgrading or adding OEM or aftermarket equipment to your 1999-Up Super Duty or Excursion with 7.3L Power Stroke diesel engine. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

 
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post #1 of 10 (permalink) Old 02-27-2005, 09:10 PM Thread Starter
 
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Building a pulling motor

hey guy i am gon gone be building a motor or refresh mine, mine has a 140,000 miles on it, the items intnded to be used is a DI or DPS cam and head studs, the heads ported and polished, Mini me or BDP hybirds and a hx50 turbo, I am wondering if i need to touch the forged rods, i think new pistons are in order since ive used pane for a year just to be safe, should i drop compression some? Any idea apperciated
Joe
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post #2 of 10 (permalink) Old 02-27-2005, 09:20 PM
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Re: Building a pulling motor

Spare no expense house!!! Build a monster!!

2003 F350 xlt 4x4, 7.3L Powerstroke, vdh5, dual alternators, crewcab shortbed, dark shadow grey, tinted windows, BTS TRANNY and CONVERTER, DP-Tuner 4 position chip stock,tow,economy, extreme, 18kmod, ts idm mod, wicked wheel, ats turbo housing, banks bighead accuator, Afe stageII intake with progaurd 7 filter, ZooDad Mod, 4inch exhaust, 5inch tip, Dynoed @ extravaganza 2003 280hp, 650 tq with diablo chip, Dynoed at Indy dyno day (automotive specialist) 302.7hp and 595.2 tq with t.s chip. Dynoed extravaganza 04 296hp, and 658tq.Dynoed at muellers on a mustang 1100, 354hp and 830tq, autometer ultralight boost, volt-tranny-temp and pyro gauges in quad pod on the pillar, alpine cd player, 2 10 inch kicker comp vr subs, kicker amp.
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post #3 of 10 (permalink) Old 02-27-2005, 09:34 PM
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Re: Building a pulling motor

I'd go with the DI split duration cam, Mini Me's, and do something with the rods, seeing that you did have propane on that motor.

Matt
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post #4 of 10 (permalink) Old 02-28-2005, 08:54 AM
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Re: Building a pulling motor

What is a di split duration cam?

1996 F350 4x4 srw regular cab

Completed Mods: zf6, nv271, sterling 10.5-3.73LS, mag-hytec rear cover, tymar, sp dongle, dp and 4" straight pipe, super duty front springs w/ rsk, superlift 8" SD springs in rear w/o blocks, machined sway links, OFE, kevlar bushing, SS back bumper, no ebpv, sduty rear shaft w/1410 ujoints, custom front driveshaft w/ 1350 ujoints, custom stainless shift lever, F450 OBS superduty front shocks, F350 superduty rear shocks, mechanical oil psi gauge, lineX bedliner, B&W gooseneck, hpo gauge, drop pit. arm, TS 6pos chip, Air Fltr. restr. gauge, SW elect. fuel press. gauge, redrilled front hubs 8x170mm (installed F350SD rear rotors outboard style), MT forged alloy wheels

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post #5 of 10 (permalink) Old 02-28-2005, 09:02 AM
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Re: Building a pulling motor

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post #6 of 10 (permalink) Old 02-28-2005, 11:34 AM
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Re: Building a pulling motor

House-

What is your budget? For real this time?

Listen to what Miller said. I took out my rods and tossed them. Replaced with factory forged, cryoed and balanced, new pistons, DI rebuild kit, DI cam, studs,-the works. Don't forget new pushrods and rev kit with the cam. Not cheap at all.

My truck BEST ET: 12.89 MPH: 109.24
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post #7 of 10 (permalink) Old 02-28-2005, 05:59 PM
 
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Re: Building a pulling motor

with the rev kit and your engine balanced how high of rpms is the motor safely able to run?
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post #8 of 10 (permalink) Old 02-28-2005, 07:03 PM
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Re: Building a pulling motor

If it will work why not get an int t444e and throw that in.They have forged rods and you can get almost the same hp rating as the ford version with a bit more torque.

2002 f250 reg cab 4x4 auto w/ftvb,4 pos Jody Tipton chip,4" maganflow exhaust,garrett bb turbo manual hubs and 285 bfg mud terrains and full guages(boost,pyro,tranny,oil press,and water temp)
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post #9 of 10 (permalink) Old 02-28-2005, 08:25 PM
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Re: Building a pulling motor

A split duration cam is one that has a longer "open" or ramp profile on either intake or exhaust, usually on the exhaust lobes in order to compensate for poor exhaust port flow. Cam choice is an art, and they must be matched to other components for maximum gains. If your heads have been ported with a change to the intake to exhaust ratio flow, that will effect how well the cam will work for you. It's best to find out what was done with profiling the new cam, IE what components was it tested with and what gains were seen, then copy their package.
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post #10 of 10 (permalink) Old 03-02-2005, 12:56 AM Thread Starter
 
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Re: Building a pulling motor

budgets is around 4500-5500 maybe more depends how my drag truck sales on ebay next month when i list it
I think i have xnayed the cam idea for now, forgot about the push rods and rev kit, even though i need a rev kit as it is now!
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