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Author Topic: I want to start this  (Read 2880 times)

Russ

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I want to start this
« on: July 05, 2009, 06:27:46 PM »
I am trying to get the insite on how which rear end gear to go with I have two to choose from. 3:55 or 3:73. It isn't going to be used for racing but I cannot stand that 2:75 that is in it
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Soaring

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Re: I want to start this
« Reply #1 on: July 05, 2009, 08:30:53 PM »
Russ, Ford thought it through back in the early 2000 models and decided the 3:55 was the right rear gear for their 4.6 .  I agree, but that depends on your transmission, and you don't have a 4.6 engine. 
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Russ

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Re: I want to start this
« Reply #2 on: July 06, 2009, 10:39:27 AM »
yeah I am looking for the right set up for the 351C with that FMX trans. Remember not a drag car but want a good mix..........
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FASTBACK65GT

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Re: I want to start this
« Reply #3 on: July 08, 2009, 06:50:14 AM »
I had a 3:50 in my earlier 4-speed and I always thought I wanted to be looking for "5th gear" at 50-55 mph.  It went short distances and around town great, but I really didn't want to take it for a long drive.
If you are wanting something to cruise with go with 3:55.  3:73 will do the same but keep you at the pump a little more often.
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Tim175

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Re: I want to start this
« Reply #4 on: July 08, 2009, 11:35:39 AM »
yeah i have the same question  ;D with my 302 and AOD i still have the gears for the FMX in there so i need to change them but don't know what to change them to is the problem.
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flyingdutchmanfc

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Re: I want to start this
« Reply #5 on: July 08, 2009, 06:14:37 PM »
Going from a 2.75 to any of the 2 will be a huge feel it in the seat of your pants difference. I would go with the 3.73 myself, the 3.55 is not a far stretch from the 3.73 anyway. Might as well go all the way on this one !!!!!!!
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Soaring

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Re: I want to start this
« Reply #6 on: July 08, 2009, 06:53:27 PM »
Yes, but Russ knows he is going to have to beef up that engine and add the AOD in order to make that 3:55 or 3:73 be viable on the freeway.  With his transmission (FMX) he will be pulling over 3K RPM on the freeway at 70 MPH.  That's OK if you have deep pockets for a lot of 93 octane gas. 
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Tim175

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Re: I want to start this
« Reply #7 on: July 08, 2009, 07:00:30 PM »
would 3:73 be good for me then? since i do have the AOD?
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Soaring

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Re: I want to start this
« Reply #8 on: July 08, 2009, 07:26:27 PM »
I would opt for the 3:55 for general use.  That is what Ford put in my 03 Mach  1, so the engineers designed the 5 speed for that rear gear. 
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Tim175

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Re: I want to start this
« Reply #9 on: July 08, 2009, 08:16:23 PM »
how much of an improvement in both acceleration and just cruising from the 3:00 i have right now if i went 3:55?
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Soaring

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Re: I want to start this
« Reply #10 on: July 09, 2009, 12:30:01 AM »
You will notice some difference in the seat of your pants off the line.  Cruising, will not be much different. 
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Tim175

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Re: I want to start this
« Reply #11 on: July 09, 2009, 12:42:50 AM »
alright i think ill just go with the 3:55 then. thanks for all the help
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Russ

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Re: I want to start this
« Reply #12 on: July 11, 2009, 08:57:22 PM »
Well atleast we started some good thoughts out on this. I still think the 355 would be the right choice.
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treading

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Re: I want to start this
« Reply #13 on: July 21, 2009, 08:45:04 PM »
Russ  If you ain't First Cav you ain't sh*t!
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Soaring

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Re: I want to start this
« Reply #14 on: July 22, 2009, 03:06:34 AM »
Russ is now a full blown drill sergeant.  "Fall in you meatheads."  "Foeward, Harch......Jody was there when you left, your mama was there when you left, lept, lept,  lept rawt lept."  "Drop, and give me 20."  "Rawt shoder, Ahms."   ;D "Ready on the firing line?" 
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Russ

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Re: I want to start this
« Reply #15 on: July 24, 2009, 05:51:36 PM »
First CAV,lol.......................
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treading

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Re: I want to start this
« Reply #16 on: July 26, 2009, 12:50:03 PM »
DA Select?
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