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Mopar 360 and multi single carbs

Discussion in 'The Hokey Ass Message Board' started by greenworks, Dec 4, 2011.

  1. greenworks
    Joined: Oct 15, 2011
    Posts: 24

    greenworks
    Member

    Guys trying to get that cl***ic look with my planned mopar 360. Id like to run 3 strombergs or the new edelbrock carbs mostly for looks on non hood car. 360 is being fitted into my 29 model a with a 32 frame.

    Ive searched lolts but am not finding anyhting. Any help with websites or vendors would be great!
     
  2. George
    Joined: Jan 1, 2005
    Posts: 7,998

    George
    Member

    3 Strombergs are only 450 CFM. Wouldn't look as cool, but a 6 pack intake & carbs for a 340 would be the way to go.
     
  3. Deuces
    Joined: Nov 3, 2009
    Posts: 26,843

    Deuces

    Yep! Mother Mopar is still selling the six-pak setups for the L.A. small blocks and R.B. big blocks...
     
  4. greenworks
    Joined: Oct 15, 2011
    Posts: 24

    greenworks
    Member

    we are looking at that option as well, but the pricing seems really high from where I have been looking. I would need a cam upgrade to run that setup I would imagine as well. Any pics out there of a sixpack setup running something other than the oval aircleaner.
     
  5. 35desoto
    Joined: Oct 6, 2009
    Posts: 775

    35desoto
    Member

    The cams that came from the factory on the 6 [pak cars was a good stout cam but nothing really wild. These cars came with a factory warranty so were not fully explored as to radical cams. Mopar 6 pak is a lot of fun - good torque manifolds too
     
  6. greenworks
    Joined: Oct 15, 2011
    Posts: 24

    greenworks
    Member

    that would work for sure ajmopar, I guess the biggest hurdle for me is trying to find a small block mopar manifold that will accept three single carb bodies if I go that route. Thank for the help guys I got some options to chase now:).
     
  7. George
    Joined: Jan 1, 2005
    Posts: 7,998

    George
    Member

  8. I think the 6 pack is about your only choice. We used to find 3 deuce setups for the old Poly 318s, but I think that deal was over before the big head LA engines showed up in 68.
     
  9. George
    Joined: Jan 1, 2005
    Posts: 7,998

    George
    Member

    Holley ECGs are supposed to be 185, 3 of then with adaptors on the 6 pack intake would get you about right. May have to run the end ones all the time & the middle one progressive...
     
  10. greenworks
    Joined: Oct 15, 2011
    Posts: 24

    greenworks
    Member

    Companies make the adapters? Or is this a custom fab job.I have never built anyhting like that.

    Im not against the 6 pack just dont really want a 2k upgrade, just trying to get the model a on the road by spring:)and it would look really dumb running the stock 2 barrell carb
     
  11. the intake isn't that expensive - seen them new for $250.00. It's when you get into the Holley Carbs, linkage, fuel lines, air filter that is gets pricey real fast.

    As mentioned above, wouldn't be hard to make some adapter plates

    [​IMG]
     
  12. Not quite, but there is one out in "the Bay" right now for $317...

    X3 on the adaptors being pretty simple...
     
  13. Deuces
    Joined: Nov 3, 2009
    Posts: 26,843

    Deuces

    Screw ebay!! Go price one at the parts counter at any Dodge dealership..... It also helps if you know someone that works for Mother Mopar... You might be able to get a discount... ;)
     
  14. greenworks
    Joined: Oct 15, 2011
    Posts: 24

    greenworks
    Member

    Hah you beat me to my next question as I do know a guy at Mopar and get great discounts!!
    Whats the manifold and the 6 pack carb setup with linkage parts #'s?? Or seperate numbers I cant seem to stumble upon it on mopar website

    So if I go that route can I just change the cam and drive it or do I need any other engine mods to take the added low end torque. My ****** will be hating life for sure its the little brother of the 727 I think its a 904.
     
  15. George
    Joined: Jan 1, 2005
    Posts: 7,998

    George
    Member

    Yeah the 904 is about maxed with the 318 or a smogger 360. If you go with,say..9:1, a hotter cam, & the 6 Pack you may be best off getting a 727 out of a van or pick up. Or justuse a Performer & a 600 Holly w/o other changes untill the 904 eventually dies.
     
  16. greenworks
    Joined: Oct 15, 2011
    Posts: 24

    greenworks
    Member

    Is a 727 the same length? It will obviuosly bolt up to the engine but will it match up the same ****** cross memeber mounts as well. Im painting my 32 frame the same colour as the car and will probably run the 904 till it pukes then switch it out just to try cut down on costs. Is it a direct swap out?

    I thought a built 904 would be fine for 500hp
     
  17. George
    Joined: Jan 1, 2005
    Posts: 7,998

    George
    Member

    727 is 4" longer in length. not sure about the mounts/location. Why spend money making a 904 as strong as a 727? Or spend less $ to get a 727 up to what ever level you want? Doesn't sound like you weren't planing on racing the 360, so a stock 727 should get er done.
     
  18. Manifold P/N P4529054. Haha, cheaper at Summit than on eBlank, but sure, try your Moparts guy first!

    Carbs are gonna be major $$$$... 5 bills from that same hated warehouse.... They are specific to that one application.
     
  19. 73RR
    Joined: Jan 29, 2007
    Posts: 7,342

    73RR
    Member

    It will take alot of money to make a reliable 500hp version of a 904. The 727 is good in stock 440-426 trim. I'd worry more about a reliable/driveable 500hp 360...:cool:

    904 and 727 have the same mount location at 23½" from the face.

    As to using the six-pak intake with old carbs....I just can't get a pleasant visual...perhaps someone has an intake laying loose and can sit some 97's on top for a pic or two.
    If you are trying for a more 50's look then use the 2x4 with wcfb's.

    After you complete the 1970's six-pak ***embly you will have $2500+ invested.

    .
     
  20. Much cheaper to use a pair of eddy's or AFB's on the offy intake, and no one would be expecting a dual quad LA (six pack is pretty predictable)

    I have blown up 904's with mostly stock 318's - they can be built to handle an 800 hp super stock Hemi, but major major dollars to get there . . .
    There is a heavier duty 904 (999) that came behind 360's, but just go find a 727 and be done with it.
     
  21. greenworks
    Joined: Oct 15, 2011
    Posts: 24

    greenworks
    Member

    got a line on a 360 727 from a van for a hundred bucks that he says when was taken out was shifting ok. Whats a 727 worth? and what years should I be looking for coming from a van?

    Good to know I can mock up and build mar car with a 904 and then if/when it blows I can swap it out for a 727 with no mods or at least that what I read in your post73rr
     
  22. May be common knowledge, but make SURE you get the correct kickdown linkage, and install and adjust it correctly. Best way to smoke a Mopar automatic is hard upshifts with no kickdown.
     
  23. Deuces
    Joined: Nov 3, 2009
    Posts: 26,843

    Deuces

    That's what the price was last time I looked... But that includes the air cleaner ***embly and linkage.... Still too high... :eek::(
     
  24. 73RR
    Joined: Jan 29, 2007
    Posts: 7,342

    73RR
    Member

    Overall length is 4" different.

    Prices will be all over the map, $100 isn't bad but what do you really know about it? Inspect the fluid. Is it clean? or is it brown and smells like burned puke? I've had folks give transmissions to me, and in a pinch I have paid, probably, too much. Scour craigslist.
    Pickups and vans are OK places to look but keep in mind that they are often work rigs and get little respect. How big is the trailer hitch?
    Remember that with a 360 external balanced engine you need a similar external balanced converter.

    Read up some on TF here.

    .
     
  25. Another factor to keep in mind is lock up torque converter vs non lock up. Pretty easy to break a lock up converter and fry the whole ****** with a hefty dose of torque. They can be made to hold up with a custom converter, but I would keep it simple and go non lock up. The phase in of lock up converters was somewhere around 1978-79. A quick way to tell is that a lock up trans has a short shoulder machined on the end of the input shaft, and the converter is usually marked, but not always. Also, lockups have a 23 spline input shaft vs. 24 for no lockup.

    [​IMG]
     
  26. rjgideon
    Joined: Sep 12, 2005
    Posts: 573

    rjgideon
    Member

    I'm pretty sure that Offenhauser has a 3-2 bbl manifold with 3 or 4 bolt hole pattern. It's not the 6-pack manifold, either. I have an Offy 3-2 manifold for a B-engine and a few Holley 94's I'm planning to run on a 361.
     
  27. plmczy
    Joined: Aug 3, 2001
    Posts: 2,408

    plmczy
    Member

    Look up ****ster on here, he has some nice setups, might be able to get you in the right direction. There is also an adapter available to put 2 stromberg/holley 94&97 on a 4 barrel intake.
     
  28. They do for the B/RB engines, but not the LA series. Too late (model years).
     
  29. 69fury
    Joined: Feb 24, 2009
    Posts: 1,736

    69fury
    Member
    from Topeka

    through a decent shift kit in that 904, and if you're feeling froggy pick up a low range planetary from a truck (76 bucks when i did it) turns 2.45first into 2.76 and 1.45 into 1.54. gets off the line plenty fine.

    had a 4200lb 69Plymouth Fury 2 door with over 460hp and 520lbs of torque and a LOT of traction and that 904 held up just fine. It's downfall was the twisty ch***is/shot trans mount that caused the car to twist the bellhousing right off the case:D

    rick
     

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