How tough is 3/4T IFS? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 5 (permalink) Old 01-30-2009, 01:23 AM Thread Starter
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Lightbulb How tough is 3/4T IFS?

Generally speaking of the 88-98 2500 IFS. Is there a max torque rating? Would it hold up to any serious power and/ or weight? I'm just hypothetically thinking of a street racing project. A lowered all wheel drive, Cummins or IH powered truck.

Dale

my daily driver:67 F100, 300 4V, cammed, 4 spd.
or, 08 Subaloser Forester, 2" lift.
work rigs: 94 IH 4900, DT466(originally 230hp), #0 fuel plate, tighter gov springs, 22* timing
or, 06 IH 7400, DT466E, 300hp


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post #2 of 5 (permalink) Old 02-01-2009, 09:28 AM
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I doubt it. All off roads say they fail just with lockers.


IFS 4x4 Trucks are great if you are on the interstate or highway much. I've never drove anything with a Solid front axle that does anything close to IFS at 60 plus MPH. The difference there is night and day.

This is just my opinion. There are people on these boards, that makes plenty of dmax power and don't break stuff. In the same token there even more people that swap out IFS for a D60. And.......I've heard it's easier starting off with a 2 Wheel drive oddly enough. I wish I would have done this to my 98.

"some people do, some people talk."

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post #3 of 5 (permalink) Old 02-01-2009, 03:46 PM Thread Starter
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I had a feeling it wasn't really favorable, but it's about the only way to have a lowered all wheel drive truck. It seems like even the newer 99 & up, are taller than the older ones. If CA starts smogging 97 & newer, I'll have to go old anyway.

Dale

my daily driver:67 F100, 300 4V, cammed, 4 spd.
or, 08 Subaloser Forester, 2" lift.
work rigs: 94 IH 4900, DT466(originally 230hp), #0 fuel plate, tighter gov springs, 22* timing
or, 06 IH 7400, DT466E, 300hp


My Low Buck fuel rate site:
www.freewebs.com/nevrenufhp
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post #4 of 5 (permalink) Old 02-01-2009, 05:00 PM
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They are NOT tough enough for stock service, let alone pulling or crawling. I've replaced more than one even in the 3500HD models.

Aluminum housings and high Tq capacity do not go well togather.

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post #5 of 5 (permalink) Old 02-01-2009, 07:59 PM
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Quote:
Originally Posted by John_G View Post
They are NOT tough enough for stock service, let alone pulling or crawling. I've replaced more than one even in the 3500HD models.

Aluminum housings and high Tq capacity do not go well togather.

I wanted to mention something to that effect, but I didn't know how pissed I'd make some D-Max owners. 1 Ton 4x4 IFS still has it's place like interstate driving. I'm not afraid to own a D-max with IFS either. I'd just make sure it was absolutely necessary to use 4x4 when putting it in 4x4. I've seen some D-max owners use 4x4 on patchy snow covered roads and just shake my head.

It's kind of odd the next step up from a 3500HD 4x4 is a 4500 and those have high pinion Dana Super 70's in front. Which some people are crowning the holy grail of front axles.

"some people do, some people talk."
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