Best Manual in a 72 Maverick 302

Discussion in 'Transmissions' started by tmcbride415, Jul 14, 2020.

  1. Jaybee

    Jaybee Member

    Joined:
    Feb 17, 2019
    Messages:
    459
    Likes Received:
    215
    Trophy Points:
    117
    Location:
    Hampton Roads, VA
    Vehicle:
    1974 Maverick
    Lots of good pics on this thread.
     
  2. Shorty

    Shorty Member

    Joined:
    Nov 21, 2002
    Messages:
    717
    Likes Received:
    220
    Trophy Points:
    188
    Garage:
    1
    Location:
    Lafayette, In
    Vehicle:
    '72 Maverick, 347 c.i., w/ dual quads, TKO 600 5-speed transmission, back halved w/ 4-link, '16 F150, 5.0 Coyotte, regular cab, shortbed, lowered 3/5 & 1-owner '79 Trans Am.
    Thanks, Tom. My new effective rear end ratio will be 2.63:1 instead of 3.63:1. That may be interesting around town - maybe not get to 5th gear as often.

    Bruce
     
  3. Krazy Comet

    Krazy Comet Tom

    Joined:
    Sep 13, 2012
    Messages:
    7,681
    Likes Received:
    2,407
    Trophy Points:
    531
    Garage:
    1
    Location:
    Chesapeake VA
    Vehicle:
    1972 Comet GT clone 306 . 1969 Fairlane Cobra 428CJ 1988 T-Bird awaiting 331 ..
    With the Stage-1 Trick Flow cam in my T-Bird, 3.73 gear & no O/D lockout on the AOD, it'd shift to 4th(O/D) at 45 mph. I was using a lockup converter so just same as your 5th gear. Worked perfectly as by 45mph, I was ready for O/D.
     
  4. Shorty

    Shorty Member

    Joined:
    Nov 21, 2002
    Messages:
    717
    Likes Received:
    220
    Trophy Points:
    188
    Garage:
    1
    Location:
    Lafayette, In
    Vehicle:
    '72 Maverick, 347 c.i., w/ dual quads, TKO 600 5-speed transmission, back halved w/ 4-link, '16 F150, 5.0 Coyotte, regular cab, shortbed, lowered 3/5 & 1-owner '79 Trans Am.
    Thanks for that information too. I'll report back when I get to drive it on the larger tires.

    Bruce
     
  5. baddad457

    baddad457 Member

    Joined:
    Feb 24, 2007
    Messages:
    5,861
    Likes Received:
    141
    Trophy Points:
    171
    Location:
    Opelousas La.
    Don't be afraid to run deeper rear gears without overdrive. My Comet's got a Toploader 4 speed with a 3.50 rear and 26.5" tires (295/50-15) It's 331 is perfectly happy cruising at 60-70 mph on the freeway. I ran the same effective ratio with this engine in my 89 Ranger for two years as a daily driver commuting 50 miles round trip to work. The 331 has Canfield heads, 3x2 intake mounting three 250 cfm Holleys, Z303 cam with 1.7 rockers. Makes over 400 hp. Powerband is 1500 to 6500 rpms. If I made long trips, then yea, I'd want OD, but for what I drive in it, OD is useless.. In the Ranger the 331 got 18 mpg at 70 mph, with my foot in it on the curvy roads I ran sometimes it would drop to 12 mpg/
     
    Shorty likes this.
  6. markso125

    markso125 Member

    Joined:
    Aug 19, 2007
    Messages:
    1,714
    Likes Received:
    6
    Trophy Points:
    117
    Location:
    Lewiston Ut
    Vehicle:
    1972 maverick 2 door LDO
    I did this a few years ago didnt really cut much out of the tunnel, didnt have too. I have 71golds AOD trans mount, i did have to relieve it to hold the tremec TKO 3550, its not the TKO600 its the previous version it does have a little different torque rating but externally it is exactly the same as what is sold now.

    So my car now has a Tremec TKO | Maverick/Comet Forums
     
  7. krelboyne

    krelboyne Remember

    Joined:
    Aug 1, 2006
    Messages:
    891
    Likes Received:
    83
    Trophy Points:
    115
    Location:
    Salem, Oregon
    RMiller likes this.
  8. bmcdaniel

    bmcdaniel Senile Member

    Joined:
    Jul 2, 2002
    Messages:
    6,800
    Likes Received:
    673
    Trophy Points:
    318
    Location:
    York. PA
    Vehicle:
    '70 Maverick Grabber
    I ran my T5Z behind a nitroused 347 for years without issue. the tires would spin before anything broke.
     
    71gold likes this.
  9. 71gold

    71gold Frank Cooper Supporting Member

    Joined:
    Apr 9, 2002
    Messages:
    26,534
    Likes Received:
    2,905
    Trophy Points:
    978
    Garage:
    1
    Location:
    MACON,GA.
    Vehicle:
    '73 Grabber
    I try to keep my tires the weakest link...:drive:...:chirp:
     
    mojo and Hotrock like this.

Share This Page