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How to run two engines side by side on one car

Discussion in 'The Hokey Ass Message Board' started by ironmatt72, Mar 28, 2009.

  1. Flip the rear end over.
     
  2. my next questio would have been "why?". mebbee in the future he is going to link 'em up, guess we will see him again in April at the L.R.
     
  3. duste01
    Joined: Nov 5, 2006
    Posts: 1,212

    duste01
    Member

    I have thought of many cool ways to complicate the idea, but as of yet the most difficult idea I havent solved is how to pay for it.
     
  4. sedan33
    Joined: Mar 27, 2009
    Posts: 100

    sedan33
    Member

    Saw this at Deuce Day last year.
    [​IMG]
    [​IMG]
     
  5. gasserjohn
    Joined: Nov 9, 2008
    Posts: 1,218

    gasserjohn
    Member

    saw classified add for two hemi engines from boat one was rev. direction there you go......watch rfd channel espn or lucas on the edge show on speed ch for tractor pull shows >>>if they can hook up 5 hi hp engines you can do 2
     
    Last edited: Mar 29, 2009
  6. rtp
    Joined: Aug 14, 2007
    Posts: 221

    rtp
    Member

    Make up double motor plates for front and rear of blocks, both motors face same way. Mount in car pointing to the rear. Jack shaft between blocks ,Comon gear engages flywheels . Mount third flywheel-flexplate on other end (front of motors tword rear of car). mount trans of choice .
    No more Questions JUST DO IT.


    Yall have a nice day rtp
     
  7. duste01
    Joined: Nov 5, 2006
    Posts: 1,212

    duste01
    Member

    Here are the pictures from the other computer.
    [​IMG]
    [​IMG]

    put that in your pipe and smoke it.....
     
  8. ABBoston
    Joined: Dec 13, 2005
    Posts: 275

    ABBoston
    Member
    from Boston

  9. Easiest way is to run one engine faceing frontwards and the other backwards.

    Chain the crank snout of the frontwards engine to the tail of the crank on the backwards engine.

    Then run one tranny back to an offset rear end. Its been done and redone this way. It works.
     
  10. I think this is a cool idea! Ive always wanted to do a multi engine rod of some sort, I think the side by side setup would look the best. There was a AMBR car from the sixties that had a similar set up as the mysterion some potential there . As to the reason why? because its COOL and different I say go for it!
     
  11. Goztrider
    Joined: Feb 17, 2007
    Posts: 3,066

    Goztrider
    Member
    from Tulsa, OK

    I'll admit I haven't read the entire thread, but has anyone brought up the idea of what the big twin engined/single screw inboard boats use? I wonder if something has been or could be adapted to work with this idea?
     
  12. Pir8Darryl
    Joined: Jan 9, 2008
    Posts: 2,487

    Pir8Darryl
    Member

    Prolly not... Anything on the water with twin engines and a single screw is most likely going to be full displacement, which meas heavy and slow. Water weighs 62 lbs per cubic foot, so 1000 cubic feet of water displacement is equal to 30 tons of boat.

    A 1000 cu/ft hole in the water would be a boat hull [at the water line] 35 feet long, 8 feet wide, with a 5 foot draft... Whan you think about it, that's not really a lot of boat. Most commercial full displacement boats start at 50 feet long with a 10 foot beam.

    It surprises a lot of people to learn that you do not want to save weight in a boat [except full plane boats that are designed for speed... And you would NEVER find a dual engine/single screw in one of these]

    If you did find a 2 into 1 gearbox from a marine application, in all likelyhood, it would weigh well over a ton... Probably a couple tons.
     
  13. J.Ukrop
    Joined: Nov 10, 2008
    Posts: 2,815

    J.Ukrop
    SUPER MODERATOR
    Staff Member

    Any pics of the full car?
     
  14. lostforawhile
    Joined: Mar 23, 2008
    Posts: 4,160

    lostforawhile
    Member

    who left a steaming pos in your cornflakes? maby he wants to do it because it's a very cool thing to do, it's a hot rod,it doesn't have to be practical, if you want practical get a prius, I wonder if there is anything on the twin mill? remember the guy who built the real life replica of the hot wheels car? Don't pay attention to the naysayers i think it's a very cool idea. :D
     
  15. aerorocket
    Joined: Oct 25, 2007
    Posts: 488

    aerorocket
    Member
    from N.E. P.A.


    Probably the most succesfull gas dragster of all time was the Freight Train, twin engines in a row. The first car to top 150 in the 1/4 was the Bustle Bomb, this car had a olds in front of the axle and a caddy in the rear. It used one ring gear with two pinions, this was in 1955 I think. I agree though that most multi engine setups were a failure.
     
  16. lostforawhile
    Joined: Mar 23, 2008
    Posts: 4,160

    lostforawhile
    Member

    here are some pictures of it,coolest dual engine ever. [​IMG]
    [​IMG][​IMG]
    [​IMG]
    [​IMG]
    [​IMG]
     
  17. If it was good enough for M/T, Ilike it
     
  18. are you talking like a set-up like Tommy Ivo's showboat?
     
  19. Jimv
    Joined: Dec 5, 2001
    Posts: 2,924

    Jimv
    Member

    In street rodder they had a twin engine dragster with the flywheels meshed, seemed simple enough.
    Also boats run a reverse cam & distributor.Its common on side by each marine setups
    jimV
     
  20. junkbrick
    Joined: Apr 26, 2004
    Posts: 169

    junkbrick
    Member

    I believe Tommy Ivo's twin was coupled at the ring gears (meshed together) with 1 transmission off of 1 engine, offset differential in the rear end.

    One engine was standard rotation, the other reverse. You can have your cam ground to work "backwards", but keep in mind everything else that turns backwards in the motor must be addressed.

    Items to think about

    Oil pump
    Crankshaft oil hole indexing
    Timing chain tensioner, if equipped
    Water pump
    Distributor Advance

    etc.

    I have thought it through a few times...sounds like fun!

    Good Luck!
    Reed
     
  21. mrrich
    Joined: Jul 22, 2008
    Posts: 189

    mrrich
    Member
    from seattle

    Now I can't stop thinking about this. The question is what kind of body...
     
  22. ironmatt72
    Joined: Aug 28, 2008
    Posts: 29

    ironmatt72
    Member
    from Boston

    I have been looking into Tommy Ivo. Lots of great picture but no tech. I did see the two ring gears meshed together, but I want to run a tranny in the middle. I have checked into boats and tractor pulls still nothin. I am thinking run torque converts on both engine, so the engines don't need to be perfectly balanced. Then into 90 deg gear boxes and finish with a corvette rear end center section to a th400. Thank for all help.
     
  23. crossthread
    Joined: Mar 9, 2006
    Posts: 103

    crossthread
    Member

    Double row 80 link roller chain sprockets machined to fit crank ,2 each . Adaptor to mount larger size sprocket to input of transmission. Jackshaft to maintain tension between engines ,Both engines turn normal direction .Chain goes around the outside of all sprockets. Check and replace chain often,as sometimes the chain will disappear without notice. Later JimB
     
  24. Yo Baby
    Joined: Jul 11, 2004
    Posts: 2,811

    Yo Baby
    Member

  25. Toymaker
    Joined: Mar 26, 2006
    Posts: 3,924

    Toymaker
    Member
    from Fresno,CA

    I'd like to build a side by side digger much like Eddie Hills. To get past Tech I think you would have to have 2 SFI bellhousings (ya I'm in California and I would want to drive it) with no reverse. They would go directly into a 2 pumkin rear end with spools with one of the axles double splined, a spline for one spool (no cross pin so the axle would go completely thru the spool) and the end spline for 1/2 of the other spool. I think it would be hard to get a certified shield to cover the meshed flywheels or chains but I dunno. Rocky
     
  26. Relic Stew
    Joined: Apr 17, 2005
    Posts: 1,209

    Relic Stew
    Member
    from Wisconsin

    Ivo's Showboat connected the engines crank flange to snout, as a V16, not connected side by side.

    He can explain it with pictures;

     
    gas pumper likes this.
  27. The meshed flywheels will work for a quarter mile, but on the street you're going to have to lube them. It won't live. I always though Ivo's engines were connected at the cranks, essentially two V-16s side by side, one powering the front diff and the other going to the rear.
     
  28. two posts, same answer, two mins. apart
     
  29. Ratty55
    Joined: Nov 13, 2007
    Posts: 396

    Ratty55
    Member
    from Frohna,MO

    Find the episode of monster garage when Jesse built the twin engine pulling tractor. Pretty sure they used the roller chain method like that twin engine deuce.
    Justin
     

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