How much power over stock can my trans handle? - Ford Powerstroke Diesel Forum
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post #1 of 24 Old 01-19-2012, 03:49 PM Thread Starter
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How much power over stock can my trans handle?

With what upgrades should i start worrying about getting the tranny built? I am considering getting head studs and full delete, srl + tune, and s&b intake all soon. But after what extent should i worry about my transmission? Also does anybody know whats so great about the alison trannies in the dmax's?

8 Is the magic number when it comes to trucks.. 8 lugs, 8 foot bed, 8 cylinders
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post #2 of 24 Old 01-19-2012, 03:59 PM
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550 is what a good healthy stock 5r110 can handle... say when adding injectors/turbo is when i'd think of doing anything to the trans. Some people have put almost 600 through a stock trans with no issues for a while.

the allison SUCKS stock PERIOD. They're okay when fully built...
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post #3 of 24 Old 01-19-2012, 04:01 PM
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The number I keep hearing when you approach/exceed 500rwhp, you need to plan on getting a built tranny. Now this of course is all going to depend on how you drive your truck. If you rag on it pretty hard (i.e. drive it like you stole it), then I would not expect it to last too long.

From everything I have read, the allisons are not that great other than they have 6 speeds. They need help at 450hp.

If you want my opinion, I would suggest putting in a gogo direct solenoid to raise your line pressure, keeping your clutch packs from slipping.

Nate
2006 F350 (BACKYARDIGAN) - 67mm Turbo, 215/85 injectors, WPE intake manifold, NB/Warren Trans, and more stuff that I don't care to mention....
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post #4 of 24 Old 01-19-2012, 04:04 PM Thread Starter
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ive never dyno'ed my truck before but around how much power should i be expecting with just a good tune, exhaust, and intake? close to 5? im definitely not getting rid of my turbo, its so loud! and i can build decent boost off the line right now.

8 Is the magic number when it comes to trucks.. 8 lugs, 8 foot bed, 8 cylinders
8/03 F250 - Diamond Eye 4in TB with cat delete, Banks Monster muffler, AFE 6in Tip, SCT with TSD Mild Panty Dropper, 2'' Shackle Level
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post #5 of 24 Old 01-19-2012, 04:08 PM
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400 give or take some depending on the tune. IDPs x-race puts out about 420ish, Matt's SRL does about 390-400. If you are on the canned SCT performance tune, then probably in the 370-380 neighborhood. JMO.

Nate
2006 F350 (BACKYARDIGAN) - 67mm Turbo, 215/85 injectors, WPE intake manifold, NB/Warren Trans, and more stuff that I don't care to mention....
2006 F250 (LITTLE DURTY) - WPE Manifold, Up-pipes, EGR delete kit, and Tuned By ME
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post #6 of 24 Old 01-19-2012, 04:16 PM
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Quote:
Originally Posted by windrunner408 View Post
The number I keep hearing when you approach/exceed 500rwhp, you need to plan on getting a built tranny. Now this of course is all going to depend on how you drive your truck. If you rag on it pretty hard (i.e. drive it like you stole it), then I would not expect it to last too long.

From everything I have read, the allisons are not that great other than they have 6 speeds. They need help at 450hp.

If you want my opinion, I would suggest putting in a gogo direct solenoid to raise your line pressure, keeping your clutch packs from slipping.
01-05 are 5 speeds 06+ are 6 speeds... the 5 speeds need more help than the 6 speeds do

gogo solenoid will help for sure. if you plan to keep the stock turbo and injectors dont expect anything over 430 at the wheels... at that power the trans is just fine.
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post #7 of 24 Old 01-19-2012, 07:01 PM
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Weird, my factory manuals for my '05 list six speeds

SCT, no studs...yet, Dual OEM intake air filter housings, Banks intercooler & intake elbow, Banks exhaust system, Windrunner ported intake manifold, Bullet Proof Diesel remote oil cooler & thermostat, AirDog2 (plus a couple spares), Power steering filter (Amsoil dual-bypass), MagTec deep ATF pan, Electric oil pre-lub pump, Dakota Digital gauges.
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post #8 of 24 Old 01-19-2012, 08:16 PM
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He was talking about Allison's being 5 speed up until 05 and 6 speed after. I agree with Pizza Pig, allisons are pure JUNK unless they are FULLY built... But at the point of being fully built pretty much any tranny will hold together decent lol



05 F250 FX4 Lariat, SCT Livewire, 155cc injectors, Gryphon FICM tuner, ARP studs, MTW Stage 2 Turbo, Riff Raff boots, Warren Built trans, PMF traction bars ,4 inch straight pipe, Sinister EGR delete, S&B CAI, N-fab bars, level kit, 5% limo tint, 35 Toyos and 20s, Recon smoked everything, Harley headlights, 5k HID's, Camlocker toolbox, lots more
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post #9 of 24 Old 01-19-2012, 08:57 PM
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Ahh duh me.... Can't read that well again.

SCT, no studs...yet, Dual OEM intake air filter housings, Banks intercooler & intake elbow, Banks exhaust system, Windrunner ported intake manifold, Bullet Proof Diesel remote oil cooler & thermostat, AirDog2 (plus a couple spares), Power steering filter (Amsoil dual-bypass), MagTec deep ATF pan, Electric oil pre-lub pump, Dakota Digital gauges.
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post #10 of 24 Old 01-19-2012, 10:39 PM Thread Starter
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if the allison is junk i wonder how the dodge 47re ranks lol

8 Is the magic number when it comes to trucks.. 8 lugs, 8 foot bed, 8 cylinders
8/03 F250 - Diamond Eye 4in TB with cat delete, Banks Monster muffler, AFE 6in Tip, SCT with TSD Mild Panty Dropper, 2'' Shackle Level
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