t18 or new procees ?
Postmaster
Joined: Jul 2001
Posts: 4,956
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From: MD
t18 or new procees ?
They're the same. NP435 has a 6.69 first gear. Installed in most 4x4's. 4x4's also come with the T-18.
T-18 has a slighty higher first gear 6.39 or somewhere around that.
Either setup will suit you just the same.
T-18 has a slighty higher first gear 6.39 or somewhere around that.
Either setup will suit you just the same.
Senior User
Joined: Feb 2002
Posts: 499
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From: Michigan
t18 or new procees ?
I prefer the NP435,low gear and the way they shift. But I do have a T18 that I use as my back up also a good choice. On a few occasions I have also run a T19 its has synchronized 1st gear that is a higher ratio than the T18 & 435.
1979 F350,4x4,NP435,5:13 gears,Detroit locker in rear with hardened shafts,ABR in the front,L&L Ladder Bars,360 with 428 crank & rods,390 HP heads,Centerforce Dual Friction Clutch,MSD Ignition,39.5x18 Boggers,bucket seats out of a Lightning,& a Southern Body that is perfect.
1997 F350 PowerStroke 4X4,36 Inch Super Swampers, Strait Piped, Chiped, Propane Injected, LUK Clutch
1979 F350,4x4,NP435,5:13 gears,Detroit locker in rear with hardened shafts,ABR in the front,L&L Ladder Bars,360 with 428 crank & rods,390 HP heads,Centerforce Dual Friction Clutch,MSD Ignition,39.5x18 Boggers,bucket seats out of a Lightning,& a Southern Body that is perfect.
1997 F350 PowerStroke 4X4,36 Inch Super Swampers, Strait Piped, Chiped, Propane Injected, LUK Clutch
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Joined: Aug 2001
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t18 or new procees ?
The T-18 is a bit easier to shift the gearing doesn't seem tobe so widely spaced compared to the NP-435 which is good for a engine with low power like a 351M in a F-350 with a 12,000lb gvw. Anything from 1980 and newer you will find a T-18 in it maybe Ford got these cheaper or just because they are more user friendly and they are the brother to the T-19 used in diesels.
I have driven trucks equiped with the NP-435 and the T-18 and I prefer the T-18 I don't need the extra low first I rather have a nicer more even geared transmission. Right now I'am back to driving my old F-350 that has a T-18 and its taking sometime to get used to again been driving a F-Superduty with a ZF 5spd for 2 yrs and got spoiled on how easy they shift. I will be glad when I find another newwer truck with a ZF 5spd and I won't have to double clutch for everyshift like I have todo with the T-18.
I have driven trucks equiped with the NP-435 and the T-18 and I prefer the T-18 I don't need the extra low first I rather have a nicer more even geared transmission. Right now I'am back to driving my old F-350 that has a T-18 and its taking sometime to get used to again been driving a F-Superduty with a ZF 5spd for 2 yrs and got spoiled on how easy they shift. I will be glad when I find another newwer truck with a ZF 5spd and I won't have to double clutch for everyshift like I have todo with the T-18.
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Senior User
Joined: Nov 2001
Posts: 444
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From: Cleveland
t18 or new procees ?
I have one of both, both are behind 300's. I prefer the t18 because is has a tighter shift pattern. Just my thoughts.
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