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Auto Trans Additives????

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Old Apr 12, 2026 | 09:40 AM
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Default Auto Trans Additives????
Good morning all
Yeah yeah yeah I know it's an old question that I get from most of my C3 Club Members but I'm just reaching out some honest feedback to share with the guys...........

Are there any automatic transmission additives that can be used in any of the C3's bcz I get all kind of questions with respect to shift enhancement etc etc..........And yeah I know better but?????????????

TIA
JJ78
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Old Apr 12, 2026 | 10:25 AM
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mechanic in a bottle is only a temporary fix
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Old Apr 12, 2026 | 11:36 AM
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Drain the fluid and refill with Trick Shift from B & M. My experience back in the day was it gave a firmer shift.
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Old Apr 12, 2026 | 11:39 AM
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Using B&M or Ford type F are two fluid choices but a B&M or Transgo shift kit are the way to go.
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Old Apr 12, 2026 | 11:40 AM
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Tx for the note kanvasman and I will pass it on
FWIW is it safe to say that it just cannot be added to the existing fluid already in his tranny???
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Old Apr 12, 2026 | 11:47 AM
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Ok Mel what does B&M mean??

JJ78
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Old Apr 12, 2026 | 11:56 AM
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I put a B&M shift kit in mine way back in '77 along with Trick Shift fluid. Both have worked great ever since...

https://www.speedwaymotors.com/B-M-8...WivU8_BjEAZ5At
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Old Apr 12, 2026 | 12:03 PM
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Ok tx for the info so some can just add some and have him keep an eye on the fluid level when the tranny is up to operating temperature??

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Originally Posted by JavaJolt78
Ok Mel what does B&M mean??

JJ78
Call them and ask, I have no idea.
B&M
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