What onboard lightweight battery will do the job?

Discussion in 'PSI Superchargers Tech Questions' started by Shoebox, Dec 17, 2010.

  1. Shoebox

    Shoebox New Member

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    What battery will do the job to start my blown hemi : 12.6 static compr. 20% over Superman/ Oddy 14/71, Msd 44 Mag, Meziere mid-plate mounted, 168 toot flywheel.

    I am running 24v to the starter, 12v to acces.
    Currently using 2 Red Top Optimas 800CCA that does the job so far but are aming for weigt savings.
    Will lightweight batterys such as Brielle , Odyssy/ Hawker or related small size/ light battery do the job.

    Thanks in advance
    Shoebox
     
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  2. ibaddlizzard@aol.com

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  3. 23T Hemmee

    23T Hemmee Member

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    I had two of the 15# Braille batteries, did a good job with blower starter for 2 years and 1 day, then took a dump right after warranty ran out. Don't know about the smallest Odyssey batteries but I had really good luck with the two of the middle size (925 amp)wired 12v (parallel? never can remember) turning a standard Tilton Mopar starter on a mild blown 541 KB, just trickle charge during the week and it was good for all weekend usually. BTW a friend loaned them to me, they were already almost 5 years old, and I ran them for two more before one of them finally died.
     
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  4. blown375

    blown375 New Member

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    Last edited: Dec 19, 2010
  5. underby6

    underby6 Active Member

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    Have the two batteries on the golf cart and a quick disconnect to start the car. Then you can use a small Leahy battery to run all electronics. The Leahy battery weighs nothing and comes in a nice billet case. You can check it out at www.electrimotion.com. I've used DynaBatt before and had very good luck with it in a similar application. If you use the battery on the golf cart/support vehicle then you don't have to use the more expensive smaller batteries, your Optimas could actually be put to good use.

    Brandon Booher
    NHRA TAD #34
     
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  6. Shoebox

    Shoebox New Member

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    Lightweight battery

    Thanks a lot for good inputs and ideas.

    Do they also take the abuse of violent tire shake , any experience on that?

    Thanks in advance
    Shoebox
     
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  7. underby6

    underby6 Active Member

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    If you're asking about the Leahy battery taking abuse/shake etc., then yes I believe it's the best battery on the market. This battery is used in I'd say 95% of all Top Alcohol and TF cars.

    Brandon Booher
    NHRA TAD #34
     
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  8. blown375

    blown375 New Member

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    I have had no problems with the odyssey batteries going bad

    BTW . I had to edit the typo in my post my compression is not that high.
     
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  9. 23T Hemmee

    23T Hemmee Member

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    Brandon,
    Doesn't T/D and T/S require the starting system to be completely self-contained on the car? Wouldn't that rule out the golfcart auxillary batteries? Just curious.
     
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  10. blown375

    blown375 New Member

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    Ronny, Brandon runs TAD not T/D ;)
     
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  11. 23T Hemmee

    23T Hemmee Member

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    I know Brandon does, but I'm assuming Shoebox is running T/S by his avatar so he may or may not be able to have a golf cart auxillary pack, thats why I was asking. I was under the impression that he (Shoebox) was required to carry on board batteries. Thats one reason I've never tried to run any T/D meets, since I've never been able to come up with a starter/battery on board combination. I always thought it had to be completely self-contained.....am I wrong about that? Just curious.
     
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    Last edited: Dec 19, 2010
  12. underby6

    underby6 Active Member

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    It seems to be an area of grey matter, we used it on our outlaw cars a few years ago (had to conform to T/D rules). As long as the car has a battery on-board you are fine, the battery booster is only assisting the on-board cell:cool:

    Brandon Booher
    NHRA TAD #34
     
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  13. blown375

    blown375 New Member

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    Johnny you are correct , thats why I took the crankmount 48v rcd starter set up off my dragster and put this set up on it . I took a couple pounds off the car and it doesn't have to be plugged in to start it.
    I dont have to haul 4 batteries around on the golf cart either.
     
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  14. a/fd slngsht

    a/fd slngsht Member

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    odyssey 925's are amazing batteries!!! Mike
     
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  15. Scouder

    Scouder New Member

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    Let's see, we get rid of the big ol' heavy crank mount starter, the big heavy bracketry to mount it, and nobody has to hand-engage the starter every time you hit it. I'm seriously liking this idea. Which part number of starter are you using, and how long have you been starting it this way?

    -Brian
     
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  16. Shoebox

    Shoebox New Member

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    Hi Ronny !
    You are partly right, i am running T/D( TopDoorslammer )that is a so called Outlaw version of ProMod that has no weight or blower overdrive limit.
    And i have seen some of my competitors start it with batteries carried on the golf cart and carry a little one for the logger etc.
    We run under he Advanced ET rules ( i am not shure you have the same rules )other than that we follow PM reg. safety rules ( SFI spec. )
    I do think we are allowed to have either onboard or blower starter , whatever suits you.
    I am aming for PM in the future an the car is built after PM rules and therefore have to carry onboard starter/battery pack.

    Best regards
    Shoebox
    Geir
     
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  17. Shoebox

    Shoebox New Member

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    Brian :)
    I am using this one :http://www.meziere.com/ps-1491-1504-ts406h.aspx
    a very nice piece and working great.
    I have also tried Powermaster and it worked for a while( the starter solenoid needs to be cleaned up otherwise it will weld to the contacts and the starter will hang inn during the run)but got tired after starter no 3...
    I also have a Tilton super starter that i have not yet tried.

    Best regards
    Shoebox
    Geir
     
    #17
  18. 23T Hemmee

    23T Hemmee Member

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    I run primarily with the Nostalgia Pro-Comp Association and fortunately for me they actually seem to consider the blower starter ritual part of the show. I've been trying for 4 years to figure out how to get an on-board starter on the car so I could possibly run some T/D type meets, batteries I could mount but Plueger builds his chassis for one thing, Nitro F/C, the engine mounts so low and bottom rails are so narrow, squeezing the Tilton in at the Chevy position is almost impossible and a starter in the stock position won't clear the oil galley on a KB. There isn't much meat there to grind off for clearance.
    My dry sump and fire bottles are in front of the engine and doesn't leave any room for a crank snout mount. The Meziere 400 series is definitely the cadillac of starters but it looks to be even larger than the Tilton. I'm looking at machining a new nose piece for the Tilton I've got as it only clocks in 3 positions leaving the solenoid below the belly pan
    so I'm going to make a new nose that will clock the solenoid straight up. The Tilton worked well when I had my rear engine car as the block centerline was so much higher but if you've already got the Meziere, believe I would stick with it.
     
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  19. Shoebox

    Shoebox New Member

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    Hi Ronny !
    Both the Meziere and Powermaster will fit on a KB as i have used them both, yet to try the Tilton though.
    I do use the 168 teet flywheel so the position will be a bit further off crank centerline.
    My chassie ( McAmis )are probl.wider than yours as well.
    I could forward you some pictures of all 3 starters beside each other for a better comparison and also check c-c chassie tubes.

    Best regards
    Shoebox
    Geir.
     
    #19
  20. AFC357

    AFC357 New Member

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    We used to "read between the lines" as Brandon mentioned (remember those Outlaw races at Bunker Hill?!) Had a TINY battery on board (but it WAS hooked to the starter) Then we and everyone else started to plug in a "jumper" to start the car. LegaL in my mind!
     
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