F450 Job 3 hard shifts after spartan install - Ford Powerstroke Diesel Forum
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post #1 of 10 Old 11-16-2010, 11:32 AM Thread Starter
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F450 Job 3 hard shifts after spartan install

i installed a spartan 250 on buddys f450 and shifts very firm even after relearn with 210 tow and 250 tune?
ANY suggestions?

I installed spartan on my f350 and the shifts are great but on this f450 its like banging into gear.

2005 F250 Harley Davidson C/C LB 4x4- ARP Studs, Elite EGR Delete, Hellaman Sump, Air Dog II, 6.4 Banjos, SCT w/ Tunes from Gearhead, Autometers, 4" MBRP Exhaust, Dieselsite Coolant Filter, RetroSolutions 6000K HID's, '08 Rear Leaf conversion from PMF with F350 blocks, AirLift 5000 AirBags , 2.5" Leveling Kit with bilstein shocks, 5% tints

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post #2 of 10 Old 11-16-2010, 11:37 AM
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I have heard numerous people say that shifts are noticeably harder on F-450's and F-550's. I am not sure unless it has to do with weight and more axle wrap.

Jeff Dodd
spartan_jeff12@yahoo.com

2012 Ford F-250 Lariat CC/SB

Mods - Spartan tuned via laptop, 4" AFE stainless exhaust system, 2.5" PMF BMC leveling spacers, 3" PMF lift blocks, Fox Racing 2.0 shocks, Recon smoked mirror & cab lights
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post #3 of 10 Old 11-16-2010, 08:21 PM Thread Starter
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anyone else with a f450 tuned?

2005 F250 Harley Davidson C/C LB 4x4- ARP Studs, Elite EGR Delete, Hellaman Sump, Air Dog II, 6.4 Banjos, SCT w/ Tunes from Gearhead, Autometers, 4" MBRP Exhaust, Dieselsite Coolant Filter, RetroSolutions 6000K HID's, '08 Rear Leaf conversion from PMF with F350 blocks, AirLift 5000 AirBags , 2.5" Leveling Kit with bilstein shocks, 5% tints

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post #4 of 10 Old 11-17-2010, 03:14 AM
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Working on it just ordered everything up from Rudy's

2008 F 450 King Ranch
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post #5 of 10 Old 11-17-2010, 07:07 AM Thread Starter
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let me know how it goes.
thanks

2005 F250 Harley Davidson C/C LB 4x4- ARP Studs, Elite EGR Delete, Hellaman Sump, Air Dog II, 6.4 Banjos, SCT w/ Tunes from Gearhead, Autometers, 4" MBRP Exhaust, Dieselsite Coolant Filter, RetroSolutions 6000K HID's, '08 Rear Leaf conversion from PMF with F350 blocks, AirLift 5000 AirBags , 2.5" Leveling Kit with bilstein shocks, 5% tints

SOLD : 2008 F350 Crew Cab 4x4
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post #6 of 10 Old 11-17-2010, 06:03 PM
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I have a 450 and it deff shift hard but it only is real hard on the 210 tow tune! I have been running the 250 tune for 10k miles and its been good and alot of fun spanking cars!
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post #7 of 10 Old 11-18-2010, 02:44 AM
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450 tuned

Quote:
Originally Posted by Darektylka View Post
anyone else with a f450 tuned?
I have had my 08 F450 tuned for two years. My 210 tune shifts fine and I use it as a daily driver. The 275 tune shifts the hardest but gets the best mileage. The 250 tune is hard shifting, but not as bad as the 275.
I heard KEM can custom tune for the higher horsepower but a tamer shift.

2008 F450 King Ranch, AFE Stage 2, MBRP Duals, Fabtech 4 link 6" Lift, OUO 5" blocks and traction bars and side steps, AMP retractable steps,Falken 37x13.5x24 AT, American Force 24" Stripes rims, Airdog2,Coolant filter, Oil bypass filter, and a few more essentials
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post #8 of 10 Old 11-18-2010, 10:15 AM
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I would think it has something to do with the different rear axle, springs etc. in the rear end of the F450. and maybe the lower gearing?

Ford F250 6.4 CC/SB, Spartan 350 w/TCM, Mag-Hytec deep pan, Flo-Pro 5 inch Exhaust, AFE stage 2 with ProDRy, 2.5 Readylift, ZEX Nitrous single stage, BD CAC pipe, ATS 5-star converter, elite egr delete/wastegate, ts mp-8 stacked, Procomp traction bars, locker, CFM plenum, ARP studs. Innovative tunes and Suncoast on the way!
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post #9 of 10 Old 11-18-2010, 02:58 PM
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I just have a F350 and my 210tow and 250 shift terrible as well. The standard 210 shifted ok though.
I got a custom 250 built that works awesome!!

2010 F350 Crew Cab Long Box
Spartan , S&B Intake 3.55
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post #10 of 10 Old 11-18-2010, 05:05 PM
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Get a kem tune 250, much much better in my opinion.

2008 F250 6.4L PSD

Spartan Tuned & DPF/DOC Delete
MBRP 5" exhaust
AFE Stage II
DDM HID kit
Blacked out headlights
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