FE Power Forums
FE Power Forums => FE Technical Forum => Topic started by: fekbmax on March 26, 2018, 03:36:10 PM
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What kinda transmission you guys using ?
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Currently have a NP435 in my tow rig (66 F250 C/S) but will be replacing it with a B/W T19 that has a 4:1 sychronized first gear.
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Same here, NP435 in my '70 F350 dually. They're pretty darn bullet proof. I don't find the non-synchro 1st to be a huge deal, but it can be a pain when you hit a green light just before you come to a complete stop. Even then, it's only an issue when I have the trailer attached and fully loaded. Never an issue to start out in 2nd with the NP435 in my Highboy, or any truck that isn't pulling thousands of pounds of weight.
I'd like to have the T19 with synchronized 1st gear, but from threads I've seen before, there's a fair amount of work to make the switch. I lost the bookmark when my computer crashed, so if anyone has a link to a thread on that conversion, I wouldn't mind seeing it.
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I have a T18 with a Gear Vendor overdrive behind It in my 390 powered '67 F250. I have only done local towing but it is pretty much bullet proof too and using an Eaton two-speed switch mounted on the shifter to activate the GV unit is fun. :)
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Same here, NP435 in my '70 F350 dually. They're pretty darn bullet proof. I don't find the non-synchro 1st to be a huge deal, but it can be a pain when you hit a green light just before you come to a complete stop. Even then, it's only an issue when I have the trailer attached and fully loaded. Never an issue to start out in 2nd with the NP435 in my Highboy, or any truck that isn't pulling thousands of pounds of weight.
I'd like to have the T19 with synchronized 1st gear, but from threads I've seen before, there's a fair amount of work to make the switch. I lost the bookmark when my computer crashed, so if anyone has a link to a thread on that conversion, I wouldn't mind seeing it.
I seem to think that the Ford 4x2, NP435/T18/T19 were all very similar in bolt pattern/dimensions? Here is a good link to some info.
http://r.search.yahoo.com/_ylt=Awr9H6k3S7paYXIAfC1XNyoA;_ylu=X3oDMTByb2lvbXVuBGNvbG8DZ3ExBHBvcwMxBHZ0aWQDBHNlYwNzcg--/RV=2/RE=1522187191/RO=10/RU=http%3a%2f%2fwww.novak-adapt.com%2fknowledge%2ftransmissions%2fmanual%2ft18-t19/RK=2/RS=7lXLTdcPpTxRYsBOCA0BIZH46vY-
Nick
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Any auto tranny guys ?
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Any auto tranny guys ?
1 Here...I use a C6 in my 390 powered F-250 2WD for towing my boats. Rear end is a Dana 60, 3.73 gear. Boats are 18' V drive/flat bottoms on tandem axle trailers, weigh varies from about 2600 to 3100 lbs. for boat and trailer.
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NP435 with a Dana 4.10 in mine. I live in town now and really like the 1.75:1 3rd gear for turning corners. Dip down to anything over 10 mph and smooth up to speed again. Over drive would be nice for the highways and interstates.
I owned and drove a few newer Fords and dislikes going down to second to keep from bogging the engine.
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The gear ratios in T18's and 435's suck! way too wide a drop and a damned near useless first gear. The 4.0 diesel T19 is a joy to drive after you do the simple switch.
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Hey Tom tell us some more about this T19 .What does it come in ? And what are the advantages over the two other transmissions .Doug
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The gear ratios in T18's and 435's suck! way too wide a drop and a damned near useless first gear. The 4.0 diesel T19 is a joy to drive after you do the simple switch.
I can see the drop being too much in the mountains. Loaded or empty, on hills and two lanes it is not a problem for the little 352. Personally I would not go any higher than 4.10 or 4.30 axle with this transmission. I would run a different manual or swap to a C6 for higher 3.73 or 3.54 axle ratios.
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I run the original NP435 in my 71 4x4, I like it, but my father had an NP435 from a 6 cyl truck and it was miserable at WOT behind a healthy. His truck is long gone now, but it clearly had a wider ratio and a lower reverse gear
Additionally, I have a top cover and shift lever off of a NP435 equipped Lousville dump truck, it raised the pivot point of the shifter, and after cutting down the long shifter, it made it a little shorter throw. Still no car tranny, but shifts good for what it is
I have never tried a T18 or T19, with 3.50s and 33 inch tires, it does great starting in second, and although it hasn't towed in years, in the old days (owned this truck since 1984) dropping it in 1st with a load on it, I wasn't trying to power shift and it did just great. Pulled some BIG things back to our garage too if the wrecker was busy.
I would love to put a 5 speed in it someday and add some real gear, but I like the little single speed integral transfer case, so it'll take some thinking to adapt it. Not to mention with a 4 inch lift and shift kit, driveshaft angle is already steep, not much room to play with
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Hey Tom tell us some more about this T19 .What does it come in ? And what are the advantages over the two other transmissions .Doug
I might be able to fill in some of the info gaps... The main benefit of the T19 is the synchronized 1st gear, and that really only matters if you tow heavy and need to slow way down. The T19 and NP435 have optional gear ratios so you'd want to verify what you have before making a switch.
The 6.68 1st gear of the NP435 is perfect for lugging heavy trailers around a barn yard or camp ground and I like it a lot for creeping through a pasture field with a load of firewood. Other than that I don't often use it. The gear spread from 2nd to 4th is a bit wide for some hills when towing heavy with a stock 390 ...can't always keep it in 4th. A good stroker FE will power through it and not care.
Personally, I dream of putting a GV behind my NP435 ...mainly to slow the motor at freeway speed.
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The 6.68 1st gear of the NP435 is perfect for lugging heavy trailers around a barn yard or camp ground and I like it a lot for creeping through a pasture field with a load of firewood. Other than that I don't often use it. The gear spread from 2nd to 4th is a bit wide for some hills when towing heavy with a stock 390 ...can't always keep it in 4th. A good stroker FE will power through it and not care.
Personally, I dream of putting a GV behind my NP435 ...mainly to slow the motor at freeway speed.
TJ nailed it here. While I'd love to have a synchro'd 1st gear, my trucks pull double duty for hauling heavy loads like wood, stone etc in some really tight or bumpy areas, and that low 1st is really nice in situations like that. In my Highboy it was invaluable for getting sunken or stuck cars pulled out of dirt or snow. The only thing that limited its pulling power was weight for traction. You don't have to slip the clutch in situations like that, or when taking off while pulling my trailer fully loaded. That saves big on the clutch. I just bought a GV unit for the Mustang, wishing I could afford 2 of them so I had one for the truck.
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The 4.0 gear T19 came in 83-87 Ford diesel pickups. Bolts right in, same bellhousing pattern, input shaft, tranny mount and driveshaft as a T18/435. Shorter shifter throws, synchro low. If you haven't driven one to compare then you have no way of knowing what rotten gear ratios you are putting up with and thinking are OK. A Gear Vendors with a 435, using it to split 2nd, 3rd and high gear would be fine but certainly a lot more costly.Check the local Craigslist for a stick tranny from a mid 80's Ford 6.9 Diesel someone is parting out.
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been thinking of getting one of these https://www.transmissionadapters.com/ford_fe.htm guys kits to put a ZF5 behind the someday 445 in my 75 250. Gas geared ZF5s have 5.72 syncro first 2.94 2nd and a .76 over. Should be perfect with 4.10s, maybe go 4.30s.
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The 4.0 gear T19 came in 83-87 Ford diesel pickups. Bolts right in, same bellhousing pattern, input shaft, tranny mount and driveshaft as a T18/435. Shorter shifter throws, synchro low. If you haven't driven one to compare then you have no way of knowing what rotten gear ratios you are putting up with and thinking are OK. A Gear Vendors with a 435, using it to split 2nd, 3rd and high gear would be fine but certainly a lot more costly.Check the local Craigslist for a stick tranny from a mid 80's Ford 6.9 Diesel someone is parting out.
Sounds like the 86 6.9 I used to haul hay and tractors around with. It had a 3.55 axle and a 4 speed. I remember gearing down into 2nd often and reving the engine up for turns. I didn't care for it but it was not a hardship. To each their own.
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The gas T19 had different gearing, I have a T19 from a 83 or so 2WD 460 F250, I don`t know the exact ratio, but by putting the trans in first and counting revolutions, it appears to be about 5.00 low gear. I bought the T19 to put in my old 74 F350 car hauler, which is a NP 435. Since my 74 typically weighed in at over 10,000 pounds, I would normally start off in 1rst gear unless it was dead level, but 1rst was only good for maybe 15 MPH, 2nd for maybe 25 without revving the 390 to the moon. I did find the granny low 1rst gear rather handy when stuck in bumper to bumper gridlock, like when in a long border line up, I would just let the engine idle in 1rst, and the truck would just crawl at a slow walking pace. I put a new clutch in when I rebuilt the 390 in 1990, almost 30 years later, the 11" clutch is still working fine. I was going to swap the T 19 simply to have a syncro`d and more useable 1rst gear, but I sold the truck over 3 years ago, and never did the swap. If somebody wanted my T19, I would sell it for 100 bucks, but being so heavy, I don`t want to deal with shipping it. But if somebody in BC Canada or Washington State was interested, I could deliver it to Mission Raceway, or Bremerton or Pacific Raceway when I am down for a race.
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That's a great deal on your T19 Rory. I can tell you that they aren't that easy to find and I paid a bit more than that for the one I bought. If you were closer I'd buy yours just to have a spare!
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If somebody wanted my T19, I would sell it for 100 bucks, but being so heavy, I don`t want to deal with shipping it. But if somebody in BC Canada or Washington State was interested, I could deliver it to Mission Raceway, or Bremerton or Pacific Raceway when I am down for a race.
Bring it to the FE R&R and I'll buy it, Rory. Might be a tight fit to get it in the overhead bin, but I think it'd fit :)
Tom, so the T19 is a bolt in swap? If that's the case, I'd seriously look for one. I thought I remembered a thread on the old forum that listed all the changes that had to be made when swapping the T18, but I can't remember the details. I seem to recall that it was a pretty extensive list of things that had to be changed though.
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In my case I was swapping to a T19 from a NP4560 which took a lot of adapting to make work. I just switched it back to all common 70's Ford truck stuff for the T19. I think the difference between the T18 and a NP435 is about the same as difference between a T19 and either one.
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Bring it to the FE R&R and I'll buy it, Rory. Might be a tight fit to get it in the overhead bin, but I think it'd fit :)
Tom, so the T19 is a bolt in swap? If that's the case, I'd seriously look for one. I thought I remembered a thread on the old forum that listed all the changes that had to be made when swapping the T18, but I can't remember the details. I seem to recall that it was a pretty extensive list of things that had to be changed though.
I don't know if the T19 swaps in for the NP435 but have one idea I think would be nice to check if towing heavy. The version of T19 with the 5.11 1st (probably what Rory has) has a 1.79 3rd which makes the gap to 4th even bigger than for the NP435. One version of the T19 came with a 1.41 3rd. Swapping that for the 1.79 would make this a nice tranny behind an FE ...low enough 1st for towing (and synchronized) and a smaller gap between 3rd and 4th. If the gears can't be swapped, then I don't see much benefit going to the T19 for towing heavy...like 5 ton or more.
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I am working on the nv4500 from a 1 ton Chevy truck I traded for the gearbox and the input shaft adapter and clutch disc should be under 500 dollars
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I wanted one of those until I drove a friends truck with one. Then checked the ratios. For me it's too wide a spread in the critical 30-60mph range. The overdrive is nice though. They are huge and heavy. Several other late model transmissions, stick and auto suffer from huge size and weight. I sold a 5R110 I had, must be near 300lbs with convertor and it is bigger around than a C6 two feet back of the bellhousing area. No way that'd fit in a normal tunnel.
Another I considered, it was offered for free, was a Toyota Tundra six speed. Apparently plenty strong and very nice ratios. Adapting it with the integral bellhousing would be an issue and the fact someone else he told beat me to it.
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My F350 race car hauler has a wide ratio C6 and a gear vendors with a 4.10 gear. Nice on the highway at 2,500 rpm on OD.