BB Mopar
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BB Mopar

  1. #1
    Senior Member TahitiRat's Avatar
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    Default BB Mopar

    Will the BBM motor work well in a jet. What are the cons of runnin them outher than cost.

    Can they handle a long WOT pass like the Chevys and Fords.

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    Default 383

    I built a mild mannered 383 Mopar for a Challenger splash w/ a Jacuzzi, and it hauls ass, runs great......And that's with a stocker type oil system.....No problems...Ray
    Last edited by Moneypit; 06-12-2010 at 08:12 AM.
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  4. #3
    lol, right..... Devilman's Avatar
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    There are a few around here that I've seen. Few jets & couple v-drives as well. Charles(Godspeed) has a Chrysler of some sort in his v-drive. Not sure if you met him yet. Haven't heard of any issues other than parts maybe not as plentiful as Fords/Chevys/Olds... used parts anyway..


    Switchin powerplants?

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    Senior Member TahitiRat's Avatar
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    Well I just came acrossa good deal on a 452 a guy I work with maybe selling soon pushes his 4000 pound charger through the 1/8th in the 7s. I think its around 650 to 700 hp, and got nice parts in it. I been doin some lookin at buildin a 540 chevy but havent started yet. This would be alot cheeper but I dont know if it would be as good an engine.
    Last edited by TahitiRat; 06-11-2010 at 09:05 AM.

  7. #5
    lol, right..... Devilman's Avatar
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    I dunno Eric, no personal experience with 'em myself. It would definitely be different.

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    Senior Member TahitiRat's Avatar
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    I'm thinkin about it I like that its kinda differant so I may if it will stand up to a beatin. I tend to keep my foot in it alot and of a long time

  9. #7
    lol, right..... Devilman's Avatar
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    There was a blower for a Chrysler for sale down in Parts Spam little while back. Guy goes by K-Flat if I remember correctly.

    I mean, if ya gonna do it, might as well do it up right.

  10. #8
    Senior Member TahitiRat's Avatar
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    Well It is a 11.5 comp. motor so I'm thinkin tunnel ram. or a 3 duce setup would be cool if it would work. Dont know much about Mopars

  11. #9
    Senior Member UNASHAMED's Avatar
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    It will work just as well as a bbc or bbf or even a bbo for that matter. There just wasn't as many offered in boats as the other ones.
    "Don't make me get my penguin"

  12. #10
    Senior Member TahitiRat's Avatar
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    I have been thinkin about it and I have been getting some things payed to build a motor 2000 for a nice 452 mopar longblock is a lot less what I would have in a 540 the dart block alone is 2100. But I done know if the stock mopar block 452 with 650 hp is close to as good as a dart block 540 with the 650 hp I dont know. I have to build a rail kit and go through the pump eather way.

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    i'm back!! 1QuickCP's Avatar
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    i have run mopars for years...440's there are a few issues you should be aware of:

    Stock blocks are safe to about 650 hp, then caps start to walk around,thats with studs torqued at 85 btw. They also can crack through the freeze plugs. I always fill them 1/3 full of block fill then machine. This is the reason all mopar performance blocks and hemis are cross bolt mains.Heads seal pretty good at this level as well. Stud the heads.

    Likewise stock6-pak
    rods with arp bolts good to 600 at 6500 MAX. So aftermarket rods a must do

    I have seen 4 stock forged cranks break at the 700-750 7500 rpm level. at 650 never seen 1 let go.

    Oil system needs major work to run hard long, internal passage for pickup is crap so we run olson pan with external line #12, pickup. I use the KB small pump, steady 120 psi no matter what. Passage to main galley should be enlarged, and read oil crossover should be restricted. Oil flow to heads should also be restricted. Bushing lifters can be done as well but not needed. NOTE : if u run a roller cam make darn sure the oil band of the lifter does not come clear or the lifter bore at max lift, or zero oil pressure. KB blocks solve all there issues BTW

    Heads...
    B1 or indy stuff works great, stock iron make a really good anchor.

    So all in all if ur going for 600 HP at maybe 6400 it is a good solid motor, over that things get really spendy really fast. My B1 440 at 14.6-1 made 834 hp (KB block ) @8600 rpm.

    Then went to Blown alky deal. LOL Note: Chevy in boat...hahaha
    Last edited by 1QuickCP; 06-11-2010 at 02:00 PM.

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    The Brown Bomber oldmudwiser's Avatar
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    you should just find a bbf and get it over with!! lol

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    Senior Member TahitiRat's Avatar
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    Thanks for the help that was what i was lookin for. If I have to do all the to a motor and not a lot of room for more HP in the future I think I will stick with my plan for the 540 Thanks for the help

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