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Old 09-14-2020, 10:20 AM
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Default Optimal tow setup

Hey guys. I'm curious everyone's opinion on "Optimal Tow Setups" for the 7.3. Im talking heavy towing 15-20k lbs, what list of mods (not just inj/turbo setups, but gear ratios, HPOPs, exhaust combos, intercooler setups, etc) would you prefer to keep up or out-do the new 6.7s (if that's possible...). With say a $25k budget?

I'm also curious on people extravagant mods, like head porting, cams, tubular exhaust manifolds, or even steel pistons. Id like to hear everybody's thoughts.
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1996 Cali F350 SRW CCFB, 7.3/E4OD, 2wd SAS w/ 392,000 miles, rebuilt at 352,250.
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Old 09-14-2020, 12:22 PM
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For reliability I wouldn't even try it.

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96 F250 4x4 XLT, 5 speed, 4:10 rear end, gauges, Dale's HX hose, Dale's Tymar, downpipe, coolant filter, add a leaf, Luc clutch
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Old 09-14-2020, 07:58 PM
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Why not? Can't make a decent 400whp without it being a ticking time bomb?
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1996 Cali F350 SRW CCFB, 7.3/E4OD, 2wd SAS w/ 392,000 miles, rebuilt at 352,250.
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Old 09-14-2020, 08:10 PM
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400 I believe you would be fine, but keeping up with a 6.7 would be the question

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96 F250 4x4 XLT, 5 speed, 4:10 rear end, gauges, Dale's HX hose, Dale's Tymar, downpipe, coolant filter, add a leaf, Luc clutch
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Old 09-14-2020, 08:41 PM
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I think the stock 6.7s are putting down 400 whp right? I understand you can't make a continuous 5-550hp without melting parts rather quickly. I have been addressing alot of weak links already, such as installing a 2006 Dana 80 dually, a 2008 dana 60 front, a Diesel Site legendary trans, trans coolers, upgraded drivelines etc.

But that's besides the point for right now.
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1996 Cali F350 SRW CCFB, 7.3/E4OD, 2wd SAS w/ 392,000 miles, rebuilt at 352,250.
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Old 09-14-2020, 11:22 PM
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2019 srw 6.7 trucks average like 410 rwhp and 2020 srw 6.7s are seeing around 475 rwhp. Still not sure whats going on as it's clear ford is underating the true power of the 3rd generation. A 400 whp 7.3 is no problem. Been done thousands of times reliably. Your going to need a built transmission if you haven't already. Upgraded coolers. 160/30 or 200/30 hybrids would make good towing injectors with good tuning. You don't need engine modifications for 400 hp. Headstuds not exactly necessary although always good insurance. A good turbo goes a long ways a S364.5sxe or S363sxe for a manual towing rig works great.
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Old 09-16-2020, 09:48 PM
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Optimal for no muss/fuss... 6.7 Equipped F450. For the 7.3, buckets and buckets of cash.... and load a 6.7 in your dinosaur cab and frame. My son has a ‘19 CCLB F350 6.7, thing is a space ship compared to my old sig truck and tows like a beast. Beauty rig, I’ll stick to my old rig though. Chewing on water injection with saddle tanks between frame and box skin and better turbo like KC 364.5 with T4 and have a T500 on the shelf for it. Looking forward to comparing though as we have a hill that’s 6-8% grade and over 6 miles long that we travel all the time. Currently 6.7s will blow by me whisper quiet pulling huge TTs and other assorted loads.... meanwhile my feet are just flappin (like Fred Flintstone) on the verge of bursting into flames..
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'97 F250 ECLB Tan White Tan Now ZF5 , 4:10s, D60, PMF 3.5 RSK, 37 Toyo RTs Anti sways front/rear w rear bags 5 blocks (195,000 Kms) DP, intake, IC and 4 exhaust, FFD 205/30s, Hydra, E fuel, + other keerap.
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Last edited by JCart; 09-16-2020 at 10:01 PM.
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Old 09-17-2020, 01:07 PM
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Injectors is my next step, and speaking with rosewood, im debating on 160/30 or 180/30. I figure a 200/30 might be a bit much for me and what I'm trying to accomplish. I'm also experimenting with some different intercooler setups and water meth as well.
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Old 09-17-2020, 11:52 PM
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Quote:
Originally Posted by Lt.Dan View Post
Injectors is my next step, and speaking with rosewood, im debating on 160/30 or 180/30. I figure a 200/30 might be a bit much for me and what I'm trying to accomplish. I'm also experimenting with some different intercooler setups and water meth as well.
Lemme know how you make out.
Im really pleased with my FFD 205/30 hybrids and Hydra with Jelibuilt tunes. Stock turbo with KC internals is the limiting factor with mine at the moment. And running 4:10s with 37 Id like more off idle boost, currently at 1950 rpms and higher gets lively... so thinking .91 A/R on the exhaust side running a 1.0 at the moment.
Here is some interesting reading and gear
https://rbracing-rsr.com/waterinjection.html

Cheers,
j
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'97 F250 ECLB Tan White Tan Now ZF5 , 4:10s, D60, PMF 3.5 RSK, 37 Toyo RTs Anti sways front/rear w rear bags 5 blocks (195,000 Kms) DP, intake, IC and 4 exhaust, FFD 205/30s, Hydra, E fuel, + other keerap.
Truck pix & Write ups
  #10  
Old 09-18-2020, 09:22 PM
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Quote:
Originally Posted by Lt.Dan View Post
Injectors is my next step, and speaking with rosewood, im debating on 160/30 or 180/30. I figure a 200/30 might be a bit much for me and what I'm trying to accomplish. I'm also experimenting with some different intercooler setups and water meth as well.
the cc mean nothing, unless that 200 is a hybrid. they all have the same nozzle which means they can all be tuned exactly the same until the plunger bottoms. put the largest one in.
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BTS transmissions have the absolute top of the line hard parts and clutches, in every single one.....every once in a while that somebody like Mike O or Charles gets a different piece, because they've broken his normal piece.
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