FB Performance Transmissions?
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FB Performance Transmissions?
Does anyone have experience with these transmissions? (fbperformance.com)They sound promising with their claims on power ratings, especially on the GM style 4STB tranny, what ever the hell that is. Thanks.
#2
FormerVendor
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The trans is a Ford AOD that has been modified to work behind many applications. Remember HP ratings are just what they are ratings. I personally feel that you can not put a rating on these things because of the different applications that they can be used. To HP ratings are sales pitches! Vince
Last edited by FLT; 11-15-2008 at 02:07 PM.
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Question for Vince
I appreciate the response Vince. I'm usually cautious on any ad or claim so I try to get real world advice. Now that I have a professional tranny builder on here I'm going to beat this dead horse a little more. How much heavier is a 4L80e over a 4L60e? I don't know what to believe anymore. And how much more power do you think is used to spin it? Thanks again.
#4
FormerVendor
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I personally have never weighted the 80 but I think it is about 50 maybe 65 lbs heavier without the converter. As far as the power loss it does take a bit more to spin however in some cases the gearing difference actually helps guys with traction in first gear. We need someone that has done the conversion to actually post dyno results before and after to see the real differences. Vince