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post #1 of 16 Old 11-07-2006, 01:22 PM Thread Starter
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cubic inches

i was just reading some posts talking about the d max eating up our strokers. my question is why doesn't the cubic inches of the 7.3 blow everyones doors off? mine runs pretty @#$%^& good!!!!!!!!!!!!!!!!!

january 2003 6.0 F-350 Lariat 4x4 cc with 08 long bed. recon cab and mirror lenses, torqueshift(reman on 9-03-09) with three disc billet convertor(500 rpm lowered stall speed),mag-hytec deep tranny pan,, 8" fabtech lift w/ 37" iroc super swampers on helos,pro comp ladder bars, custom sct x3 with tunes by eric @ innovative diesel, boost and pyro,edge insight, afe, 4" straight piped, ARP headstuds, banks intercooler & high ram intake. engine mods & maintenance by first coast diesel performance.
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post #2 of 16 Old 11-07-2006, 01:51 PM Thread Starter
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no response guys?

january 2003 6.0 F-350 Lariat 4x4 cc with 08 long bed. recon cab and mirror lenses, torqueshift(reman on 9-03-09) with three disc billet convertor(500 rpm lowered stall speed),mag-hytec deep tranny pan,, 8" fabtech lift w/ 37" iroc super swampers on helos,pro comp ladder bars, custom sct x3 with tunes by eric @ innovative diesel, boost and pyro,edge insight, afe, 4" straight piped, ARP headstuds, banks intercooler & high ram intake. engine mods & maintenance by first coast diesel performance.
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post #3 of 16 Old 11-07-2006, 02:22 PM
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cubic inches

dont mean squat.
post #4 of 16 Old 11-07-2006, 02:25 PM
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Why

One reason is that the 7.3 is made up of amny heavy parts, that take a long time to wind up - Awesome for torque, terrible for a race - the DMax has lighter parts, is a smaller motor, has lower compression, etc. Let them win the race solo, then come back with a trailer hooked up!

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post #5 of 16 Old 11-07-2006, 05:01 PM
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i hate to say it but the duramax is light years ahead of the 7.3.

-much better injection system with much higher pressures 25k-26k psi compared to 15k-16k psi
-4 valve heads that flow MUCH better than our 2v heads

also it doesnt hurt that they can rev alot higher than us and that they have a 5 speed auto behind them too. btw my old 7.3 puts the hurt on alot of dmaxes
post #6 of 16 Old 11-07-2006, 05:43 PM
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Luke is right. Also luke you can spank those D-max's but you've got a buttload of stuff done to that rig!

2005 F350 XLT FX4. 2.5" leveling kit, 03 turbo, 4" MBRP Turbo-back, 58v FICM, SCT X4, Irate Diesel coolant filter
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post #7 of 16 Old 11-08-2006, 04:38 PM
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Quote:
Originally Posted by lukecline View Post
i hate to say it but the duramax is light years ahead of the 7.3.

-much better injection system with much higher pressures 25k-26k psi compared to 15k-16k psi
-4 valve heads that flow MUCH better than our 2v heads

also it doesnt hurt that they can rev alot higher than us and that they have a 5 speed auto behind them too. btw my old 7.3 puts the hurt on alot of dmaxes
They are way ahead - the Duramax is an awesome engine, but it is smaller and made of lighter weight parts, which allows it to rev higher and faster. That is the same reason that the 6.0 is so wicked (when they run).

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post #8 of 16 Old 11-08-2006, 04:50 PM
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The 7.3 will always be a pulling monster though(in this case the really heavy motor is great). If I wanted to beat a Dmax in a race, Id pull the stang out the garage.

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post #9 of 16 Old 11-09-2006, 06:18 AM
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Yeah, but the stang is kind of cheating lol

2005 F350 XLT FX4. 2.5" leveling kit, 03 turbo, 4" MBRP Turbo-back, 58v FICM, SCT X4, Irate Diesel coolant filter
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post #10 of 16 Old 11-10-2006, 05:13 AM
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Cheating? Its run what ya brung aint it? lol

2000 Ford F250 Super Duty Powerstroke ( 7,460lbs 5in rough country lift, 18in XD Revolvers, 35in Dura Grapplers, bilsteins all around, 4in.MBRPstraight pipe,WW,TS 6 pos chip,TS Monitor w/HUD,Tymar,map fooler,foil delete, zoodad, Kenwood stereo, pioneer 6x8s, JL 500V1 amp, and one JL12w7)
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