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Car Forum / Dodge / Dodge Trucks / February 2006

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torque converter

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Tim - 11 Feb 2006 18:44 GMT
Hi All,

What's the symptoms if a torque converter is not properly functioning in a
90's 2500 diesel?

If you wanted to replace your torque converter, is there a particular
brand that that gives the best performance or do people usually use
factory parts?

Tim
Nosey - 11 Feb 2006 20:49 GMT
> Hi All,
>
[quoted text clipped - 6 lines]
>
> Tim

Check these guys out:
http://www.dieseltrans.com/dodge/torque_convertor.htm
Signature

Ken

Roy - 11 Feb 2006 21:14 GMT
>> Hi All,
>>
[quoted text clipped - 9 lines]
> Check these guys out:
> http://www.dieseltrans.com/dodge/torque_convertor.htm

I used DTT in a 2K 2500 and was totally happy with it. I went with the
convertor and the trans, it was like a new truck.

Roy
> Ken
Tom Lawrence - 11 Feb 2006 23:01 GMT
> What's the symptoms if a torque converter is not properly functioning in a
> 90's 2500 diesel?

Partial loss of power to the drivetrain...  sluggish off the line...  if
removed and shaken back and forth, it'll sound like a tamborine

> If you wanted to replace your torque converter, is there a particular
> brand that that gives the best performance or do people usually use
> factory parts?

DTT - $750 (http://www.dieseltrans.com)
BD Power - $615 (http://www.bd-power.com)
TCI - $509 (http://tciauto.com)
Mopar Performance - $240 (http://www.mopartsracing.com/parts/trans.html)
Tim - 12 Feb 2006 02:43 GMT
>> If you wanted to replace your torque converter, is there a particular
>> brand that that gives the best performance or do people usually use
[quoted text clipped - 4 lines]
> TCI - $509 (http://tciauto.com)
> Mopar Performance - $240 (http://www.mopartsracing.com/parts/trans.html)

Wow.  Has anyone done a price/performance analysis of the various
brands?
John Kunkel - 12 Feb 2006 18:09 GMT
>>> If you wanted to replace your torque converter, is there a particular
>>> brand that that gives the best performance or do people usually use
[quoted text clipped - 7 lines]
> Wow.  Has anyone done a price/performance analysis of the various
> brands?

Don't even consider the TCI and MP offerings, these are high-stall
converters, the last thing you want behind a diesel. (In fact none of theirs
will fit the diesel)

By reputation the DTT is probably the best.
Tom Lawrence - 12 Feb 2006 18:53 GMT
> Don't even consider the TCI and MP offerings, these are high-stall
> converters, the last thing you want behind a diesel. (In fact none of
> theirs will fit the diesel)

TCI part# 142250 - "1998-95 Dodge Cummins Diesel A518 non lock-up"

That won't fit?

> By reputation the DTT is probably the best.

Probably so... but why spend the extra money on a beefed-up TC designed to
hold 600HP for an otherwise stock truck/transmission?
Roy - 13 Feb 2006 06:04 GMT
>> Don't even consider the TCI and MP offerings, these are high-stall
>> converters, the last thing you want behind a diesel. (In fact none of
[quoted text clipped - 8 lines]
> Probably so... but why spend the extra money on a beefed-up TC designed to
> hold 600HP for an otherwise stock truck/transmission?

But while it's apart.......It may not stay stock.

Roy
Tom Lawrence - 13 Feb 2006 09:31 GMT
> But while it's apart.......It may not stay stock.

Right...  I must have missed the part where he said he wanted to build up
his whole transmission  :)
Roy - 13 Feb 2006 15:08 GMT
>> But while it's apart.......It may not stay stock.
>
> Right...  I must have missed the part where he said he wanted to build up
> his whole transmission  :)

No, I was going on the part where he said "brand that gives the best
performance". Figured he had plans.

Roy
Tim - 14 Feb 2006 02:09 GMT
> No, I was going on the part where he said "brand that gives the best
> performance". Figured he had plans.

I was looking for the best price/performance value.  My main interest is
trouble free operation with highest fuel mileage available.  I really
don't know very much about this right now.  Just trying to get educated.

I really appreciate all the info from you folks.....
John Kunkel - 13 Feb 2006 19:41 GMT
>> By reputation the DTT is probably the best.
>
> Probably so... but why spend the extra money on a beefed-up TC designed to
> hold 600HP for an otherwise stock truck/transmission?

Because the stocker isn't up to the task?
Tim - 14 Feb 2006 02:06 GMT
>> Don't even consider the TCI and MP offerings, these are high-stall
>> converters, the last thing you want behind a diesel. (In fact none of
[quoted text clipped - 3 lines]
>
> That won't fit?

Am I reading this right -- you would use a torque converter the would
*not* lock up in a diesel application?  It makes sense to me that a
converter would lock up at cruise speed.  

Is this incorrect for a diesel??
Tom Lawrence - 14 Feb 2006 03:25 GMT
> Am I reading this right -- you would use a torque converter the would
> *not* lock up in a diesel application?  It makes sense to me that a
> converter would lock up at cruise speed.
>
> Is this incorrect for a diesel??

It has nothing to do with a diesel...  I'm not sure if '92 had a LU or
non-LU TC.  Of course a LU converter is better, but if your transmission
wasn't designed for one, you'll have no way of getting it to lock up (or
even fit, for that matter).

And now that I look back....  where in the heck did I get the idea that you
had a '92??  You actually didn't specify a year, but since you said it was a
2500, that should have automatically signalled at least a '94  (hint:  it
helps if you're specific about a vehicle - otherwise people start ASSuming
things...  some of us laugh at ourselves for being a.ses, others reach for a
cross and a hammer...).  I was an a.s...  oops  :)

At any rate....  yeah, you definately have a lock-up TC.  In that case, it's
a different part number, and about another $15.

My point in all this is to call around...  don't just go right for "the
best" just because it's "the best" (and I happen to think the best torque
converters are purple in color - but that's just my own brand-bias, and I'd
never recommend a $1400 TC for a stock transmission)...  no need to buy a
Diablo when a Charger will fit the bill.
 
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