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Ms4 cam

This is a discussion on Ms4 cam within the Internal Engine forums, part of the LSx Technical Help Section category; Originally Posted by Mr. Luos It would want a 4.10 with the A4. Just high strung. Would really wake up ...

  1. #101
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    Quote Originally Posted by Mr. Luos View Post
    It would want a 4.10 with the A4.
    Just high strung. Would really wake up your car.
    4.11s and run 28" Tall MTs or whatever you like to run in a drag radial. I'm hitting OD with 26" Tall Mts right before the 1/4 mile mark. So I'll be going to 28" tires my next go round. I believe the extras 2"s might make the 60ft times better, but I'll just have to wait and see.
    TSP 347 SB, TSP Stage 2.5 PRC LS6, TSP MS4, Performabuilt Stage 2 4L60E, Yank PT4000, 4.11s, Fast 90/90, FTRA Cold air intake+all the free mods, Dynatech Supermaxx Exaust System, DMH Cutouts, Hooker Catback/FTRA Tips. Tuned by RPM/Garner NC. 11.28@119

  2. #102
    Slow'er'Ass Mr. Luos's Avatar
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    Try a 27x11.5 QTP maybe?


    I have the M6 and have been thinking about going 4.56 with a 28" Hoosier

  3. #103
    Veteran Blackbird WS6's Avatar
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    Quote Originally Posted by Mr. Luos View Post
    Try a 27x11.5 QTP maybe?


    I have the M6 and have been thinking about going 4.56 with a 28" Hoosier
    with those gears and your TT2 what RPMs will you be doing at 80mph?

  4. #104
    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by Blackbird-WS6 View Post
    with those gears and your TT2 what RPMs will you be doing at 80mph?

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    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by Mr. Luos View Post
    Try a 27x11.5 QTP maybe?


    I have the M6 and have been thinking about going 4.56 with a 28" Hoosier
    4.56's are the way to go Luos

  6. #106
    Slow'er'Ass Mr. Luos's Avatar
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    Quote Originally Posted by Blackbird-WS6 View Post
    with those gears and your TT2 what RPMs will you be doing at 80mph?
    2400 or so.

  7. #107
    Veteran Blackbird WS6's Avatar
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    yea i wanted 4.30s but i may swap to the 4.56s seeing as there be in the 2400rpm range.....hmmmmm

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    I would go 3.73, maybe 4.10 on an auto...that is with a new rear end, but most definately upgrade that intake. I used to have PRC LS6 stage 2.5s with MS3 on stock LS6 intake and it made a noticeable difference installing a FAST 90/90 ported/port matched to the heads. I picked up about .2 in the 1/8, never got to compare to a 1/4 since the closest 1/4 track is about an hour away. Of course I did everything but the rearend, and after picking up that .2 in the 1/8 well after a strange clicking sound arose during turns, I had to install that brand new Moser 9" that was sitting in my living room for a couple months...lol. You should have it easier on your rearend though, you being an auto. M6s are ruthless on rearends

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    Member importhater81's Avatar
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    Gonna go with Mr. Luos's advice and run the 4.10....Ms4 needs high rpm's.

  10. #110
    Moderator Firebirdjones's Avatar
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    Not sure which converter you have now, but changing the gear at this point to something numerically higher will also tend to lower the flash point of the converter.

  11. #111
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    Quote Originally Posted by Firebirdjones View Post
    Not sure which converter you have now, but changing the gear at this point to something numerically higher will also tend to lower the flash point of the converter.
    4000 stall viggy....rpm's were only at 6100 going through the traps.

    I need a shorter gear to carry the rpm's higher to get the most out of that cam

  12. #112
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    to me driveability = torque low mid range power and something that doesnt shake the poor motor to pieces. because a 224-228R cams will NOT be anywhere close to being as harmful to your DD as a MS4 i do agree the MS4 sounds sa-weet. but sometimes you cant have your cake and eat it to.

    my dads GTO has the 224R cam and we both LOVE it. it makes plenty o power more than he will ever use lol. big cams are fun and boner-ific but not practical for the DD cam'd LSX IMHO



    MR. LUOS FTMFW.

  13. #113
    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by importhater81 View Post
    4000 stall viggy....rpm's were only at 6100 going through the traps.

    I need a shorter gear to carry the rpm's higher to get the most out of that cam
    I understand the shorter gear necessary for that cam, I was just pointing out that it will tighten up your converter to some degree.

    Since you are running a 3.23 gear now, it tends to drive into the converter more, flash point is also higher because the engine works harder to get the car moving.
    Going to a 4.10 gear, torque is multiplied and the car gets moving easier, so the converter will drive around town a bit tighter, feel tighter, and generally won't flash as high on the starting line.

    I don't think it will be that big of a deal, the car will like the 4.10 gear anyway.

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    ASC #753
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    well, as stated before, to each his own when it comes to driveability...

    I love driving mine around town with a much larger than MS4 cam.... 25X/25X .63X/.63X on a 112 LSA....

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    Just put the 4.10 gear in today.Going to get the PCM reflashed and run it again within the next couple weeks. Would like to see at least mid 11's.

  16. #116
    Member importhater81's Avatar
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    Ran it today with the 4.10. 11.85 at 115mph.

    Still needs fine tuning,was bouncing off the rev limiter at 6700rpm. Maybe the trans is slipping?

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    Quote Originally Posted by importhater81 View Post
    Ran it today with the 4.10. 11.85 at 115mph.

    Still needs fine tuning,was bouncing off the rev limiter at 6700rpm. Maybe the trans is slipping?
    what where your times before the gears?

  18. #118
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    Quote Originally Posted by Blackbird-WS6 View Post
    what where your times before the gears?
    12.1 at 111mph.

    Car is still not right. Has alot left in it. Still need to fine tune shift points and launching it off the line.

  19. #119
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    Do your self a favor and spend the extra 100 bucks and change your lifters if your trying to put a ms4 in a car with 135k on it

  20. #120
    Quote Originally Posted by jetaws6 View Post
    Do your self a favor and spend the extra 100 bucks and change your lifters if your trying to put a ms4 in a car with 135k on it
    What about factoring in the price of head gaskets and bolts?

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