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  #1  
Old 04-03-2005, 07:11 PM
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rallye72 rallye72 is offline
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360 torque converter question

I bought a mopar performance 146K stall converter and was wondering is it better to run the B&M flex plate where I dont have to run a converter weight or just weld on the weight with the factory flex plate? If I have to weld on a weight were do I put it? Is there a specific size weight that go to differant years? Thanks
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Old 04-03-2005, 07:35 PM
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Default flex it dude!

The money spent on the b&m flexplate is well worth it. I use one with my 360/727 and its balanced very well. Its good if you decide to change converters, cuz you dont have to worry aboutwelding another weight on another converter.
5th
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Old 04-03-2005, 07:43 PM
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Quote:
Originally Posted by 5th_Ave_Sleeper
The money spent on the b&m flexplate is well worth it. I use one with my 360/727 and its balanced very well. Its good if you decide to change converters, cuz you dont have to worry aboutwelding another weight on another converter.
5th
I've seen it in a magazine but I didn't see a part number, do you happen to know what it is?
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Old 04-03-2005, 08:24 PM
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5th_Ave_Sleeper 5th_Ave_Sleeper is offline
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Default try this

You probably wont find it cheaper than Summit Racing.mopar flexplates
hope the link works. If not, here ya are;
360 external balance with 727 BMM-10236
360 external balance with 904 BMM-10239
5th
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  #5  
Old 04-03-2005, 08:34 PM
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Thanks man, You are a life saver
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  #6  
Old 06-05-2005, 10:33 PM
5thAve 5thAve is offline
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Just get a transmission shop to put the right weight on the torque converter for you. It doesn't cost a lot and they do it while you wait. The first time I had to do that I wanted to use the B&M flexplate but it costed waay too much and was going to take too long to get it.
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Old 06-05-2005, 11:09 PM
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Biggrin

Get the weight from Mopar and it has instructions and you can weld it on.
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Old 06-06-2005, 04:56 PM
John Kunkel John Kunkel is offline
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B&M flexplate; $74.99 and you will have the choice of any neutral balanced converter in the future.

Mopar weight kit $51.88; you have to weld (some here might not have a welder), you wind up not using most of it, and you'll have to go through the same thing again if you decide to change converters.
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Old 06-06-2005, 06:17 PM
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If we knew how much the weight weighed, and the position that it went in, then any ol greasemonkey could mig-weld or wire-weld a scrap iron weight to the converter and be done......
The same problem crops up when your swapping from forged to cast crank B or RB big block as well.
Not elegant or the preferred method of doing this, but for some poor bloke stuck out in a garage with his Mopar up on jackstands, that info could be a lifesaver!
I don't have the kit and if I was going racing I'd probably buy the kit.
But, if I ever end up sticking a cast crank motor in where a forged crank motor was again, it sure would be handy info to have.
Naturally, you'd have to be VERY careful not to overheat that converter filled with all that nice FLAMMABLE tranny fluid!! : : :
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Old 06-06-2005, 07:49 PM
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This may be of help if you want to weld on your own, and I would bet they would be a lot cheaper than MP for the weights. IF you plan on going to the strip, and would be required to have an SFI approved flexplate, I would say go with the B+M.

http://www.transtarindustries.com/Fi...HRY_03_WEB.pdf

torch
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Old 06-06-2005, 08:07 PM
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Remember there are different flex plates for the older 360 motors and the newer Magnums. They have different weight in different spots.
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  #12  
Old 06-06-2005, 09:57 PM
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went with B&M flex plate

I like it. Now I can swap converters without bustin out the welder! Thanks
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Old 06-06-2005, 10:23 PM
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Cool! SFI approved Rallye! It will save you some grief at the strip if you go.

I had my 408 balanced with a 360 weighted converter. When I got the crank back, it had four huge holes drilled in the rear counterweight. It turns out that a nuetral converter would have worked with almost no drilling. I was pissed! Nice of them to tell me, so I had a choice. I would have told them to rip the weights off the converter.

torch
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  #14  
Old 06-06-2005, 10:31 PM
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Biggrin

It's always best to internal balance and engine. We do all our 360 race engines that way. We can use any 318 flywheel or flex plates on our cars. MAkes the engines last longer at higher rpms too.
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