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Riv
Dodge Dakota
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5/30/2005
21:37:30
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 Subject: Flex Plate Balance
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Message:
I picked up a MP 2400 stall converter this winter and am geting ready to install it pretty soon.I also recently picked up a MP catalog and it says I need balance weights for my converter. They sell a flex plate with them already welded on, woud this be a better way to go. I had one person told me they are not needed at all. I know a lot of guys on this sight say they have this converter already, so any feed back would be good.
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John K
Dodge Dakota
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5/30/2005
23:03:33
|  RE: Flex Plate Balance
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Message:
Your engine comes from the factory balanced as a unit, up to and including the flexplate or flywheel. Your converter (or clutch, for that matter) should be a separately balanced part, ready to bolt on. That's the way GM and Ford do it, I assume Chrysler does the same. If a 'pre-balanced' flexplate is offered as an option with your converter, I would think it's for someone who is converting from a manual trans and would need a flexplate to replace the flywheel.
If I where you, I would talk to customer service from your converter manufacturer.
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.boB
Dodge Dakota
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5/30/2005
23:44:56
| RE: Flex Plate Balance
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Message:
Seems like this came up once before. I always thought Chysler did it like Ford and Chevy. But If I recall correctly, they don't. Seems like the torque converter had to be specially balanced to match the engine, or something screwy like that. Like the flex plate was neutral, and the converter was balanced???? Maybe that's the reason for the special flex plate in the catalog.
Before picking up a wrench, check in to this carefully.
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gen1dak
Dodge Dakota
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5/31/2005
00:08:20
| RE: Flex Plate Balance
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Message:
Riv, what year is your engine, and what size?
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Kowalski
GenIII
5/31/2005
06:17:53
| RE: Flex Plate Balance
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Message:
Nothing especially screwy going on here except that Riv hasn't included eneough info in his post - the 5.2 is internally balanced, while the 5.9 is externally balanced.
Lead, follow, or get out of the way
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Riv
Dodge Dakota
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5/31/2005
10:39:48
| RE: Flex Plate Balance
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Yeah sorry it's a 2000 R/T 5.9.
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Kowalski
GenIII
5/31/2005
13:07:40
| RE: Flex Plate Balance
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Message:
Your 5.9 will need the balnce weights - the balanced flex plate is an easy solution. All 5.9s (360) are like this regardless of the year, unless its a custom balanced build (not factory).
Lead, follow, or get out of the way
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uhhh,
Dodge Dakota
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5/31/2005
13:33:27
| RE: Flex Plate Balance
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...he's already *got* the externally balanced flex plate from the factory.
Why would he want to buy another one?
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Kowalski
GenIII
5/31/2005
14:34:41
| RE: Flex Plate Balance
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Message:
I wonder why he says the MP catalog says he needs balance weights then ? I've seen the older "LA" 360 with balance weights on the converter; are the newer ones now balanced on the flex plate instead ?
Lead, follow, or get out of the way
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John k
Dodge Dakota
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5/31/2005
17:34:55
| RE: Flex Plate Balance
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Message:
Well, if OP can't find a definitive answer to this question, it probably would be safe to buy the optional flexplate. How much can it cost? He just has to make sure to get the correct one (5.9 engine.)
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gen1dak
Dodge Dakota
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5/31/2005
22:44:38
| RE: Flex Plate Balance
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Message:
Mopar moved the balance weights from the torque converter to the flexplate in 1996. Riv, as long as the balance weights are on the flexplate or the converter you're good to go, just so they're on there. A word of caution. The 1996 changes extended to the bolt patterns as well. In your case, you need to make sure you match the converter and flexplate as well. In other words, you can't use a 1995 flexplate and a 1996 converter. The bolt patterns won't match. Mopar uses the 1996 and newer converter/flexplate on pre-1996 units for warranty repairs, but it's done as a unit replacement, meaning both the flexplate and converter must be replaced together.
The converter you're looking at may be assuming you're using an earlier (pre-96) model, and this explains why it states a need for balance weights on the converter. Your 2000 has balance weights on the flexplate, so your converter does not.
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Riv
Dodge Dakota
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6/02/2005
12:40:42
|  RE: Flex Plate Balance
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Message:
So i guess I just wait till I pop off the inspection cover to find out. If the flexplate has weights I shouldn't need to buy anything else.
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Kowalski
GenIII
6/02/2005
15:04:07
| RE: Flex Plate Balance
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Message:
Yup, it should only need to be balanced on the converter or flex plate; not both.
Lead, follow, or get out of the way
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