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1G Manley TT weight significance?

Posted by boriscsx, May 27, 2019

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  1. boriscsx

    boriscsx Proven Member

    80
    3
    Joined Sep 16, 2012
    Vancouver, BC, Canada
    Ok so I am in the process of finally making the decision to order rods Manley TTuff but the weight per each is almost 700g. I also just ordered HD wrist pins from trend performance and each pin weighs 140g. To put it in comparison old eagle rods were 569g and previous wrist pins were 91g each so the difference is HUGE in terms of weight. Will it significantly affect the life of bearings and be noticeable on the street in terms of rotational mass? I went with ACL race standart bearings. I just want safe 650whp and 8000rpm on 2.3l.
    PS I see howard has rods that are light enough that can support the demand, but it doesnt seem like they have rods for 6bolt anymore. Please chime in
    Thanks
     
  2. 1990TSIAWDTALON

    1990TSIAWDTALON Moderator

    4,011
    1,569
    Joined Nov 14, 2013
    Independence, Kansas
    My Manley I beams weigh in at 695 gms compaired to my H beams at 574. I am going to twist my 2L 9k so I went with the lighter rods. I made 614 in another setup and never had rod or bearing problems, thats why I went with the H beams again, since I was going to wind the engine.
    Maybe some other builders will chime in with their thoughts.
    The heavier rods will take alot more boost, but I run 40 psi on my HX40, H beam motor with no problems.
     

    278  17

    1967 Chevrolet Camaro RS
    rwd · automatic · Misc Vehicles

    Street Build 395  4

    1998 Eagle Talon TSi
    fwd · manual · 2G DSM

    Street Build 3K  21

    1992 Eagle Talon TSi AWD
    awd · automatic · 1G DSM

    Street Build 5K  11  25

    1990 Eagle Talon TSi AWD
    13.620 @ 108.460 · 1G DSM

    4K  24

    1990 Eagle Talon TSi AWD
    13.612 @ 107.760 · 1G DSM
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  3. biglady112

    biglady112 Proven Member

    1,186
    153
    Joined May 20, 2004
    Commerce City, Colorado
    I took my pauter’s to over 9000 rpm without issue for a long time. And those are the heaviest rod you will find. In our mirage we use the turbo tuff rods and have been regularly beating this engine to upwards of 9,800rpm for the past five years s we were even at the race track again yesterday with the car.
     
  4. jakelandry

    jakelandry Proven Member

    799
    88
    Joined Oct 13, 2009
    Minden, Louisiana
    If you want a steel rod that's strong and light look into carrillos. Their pro-h is nowhere near the same rod as all the other h-beams and weigh in the 500's. They're also $1200+ a set.
     

    3K  0

    1995 Mitsubishi Eclipse GSX
    11.410 @ 125.490 · 2G DSM
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  5. 1990TSIAWDTALON

    1990TSIAWDTALON Moderator

    4,011
    1,569
    Joined Nov 14, 2013
    Independence, Kansas
    A heavier assembly will retain rotational mass like a heavier flywheel and save some of that in between shifts or roll the tires/grip.
    Glad @Biglady could add some advice, thanks!!
     

    278  17

    1967 Chevrolet Camaro RS
    rwd · automatic · Misc Vehicles

    Street Build 395  4

    1998 Eagle Talon TSi
    fwd · manual · 2G DSM

    Street Build 3K  21

    1992 Eagle Talon TSi AWD
    awd · automatic · 1G DSM

    Street Build 5K  11  25

    1990 Eagle Talon TSi AWD
    13.620 @ 108.460 · 1G DSM

    4K  24

    1990 Eagle Talon TSi AWD
    13.612 @ 107.760 · 1G DSM
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  6. boriscsx

    boriscsx Proven Member

    80
    3
    Joined Sep 16, 2012
    Vancouver, BC, Canada
    I am really fond of h tuff plus from Manley but they only make it for 7 bolt and that would have been my go to. Those of you guys that have Manley TT are you using standard bolts or 625 for higher rpm? Like I said 8300rpm in stroker and about 750whp is all I am looking for and also I want to buy the rods once instead of doing it twice if I decide to go 850whp later on.
    Or should I utilize Manley H beam plus since I have them? Are Manley h beam as strong as the eagle?
     
  7. beansblacktsi

    beansblacktsi Proven Member

    233
    43
    Joined Apr 2, 2007
    Lincoln, Nebraska
    I have been running TT's and HD wrist pins for about 4 years now. Just had it apart over the winter to check things out and bearings looked great. This is on a mid/low 9sec car that gets beat on religiously and spun to 9k. This car also sees a ton of street time as well as a ton of highway/interstate miles going to different states to race at time. Put some fresh bearings in since things looked good and will be shooting for high 8s this season on a bigger turbo.
     
    beansblacktsi

    1K  0

    1992 Plymouth Laser RS Turbo AWD
    9.524 @ 145.390 · 1G DSM
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