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  1. #1
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    Default dual 660 setup ??????????????????????

    so did something today i said i would never do bought a hi rise with dual 660's so i need some pics of throttle linkage and how u guys did fuel lines please
    Last edited by dsjelly; 03-31-2010 at 09:48 PM.

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    Cas
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    Quote Originally Posted by dsjelly View Post
    so did something today i said i would never do bought a hi rise
    I did the same thing last year, a deal I just couldn't refuse. Here's what I did with mine, nothing special-


    I still have a little tweaking to do but it's basically the way it's going to be

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    Default carbs

    so did u notice a gain with the switch?????
    and that is similar to the setup that came with it looking for a different way to get fuel line to back carb

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    Cas
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    Quote Originally Posted by dsjelly View Post
    so did u notice a gain with the switch?????
    and that is similar to the setup that came with it looking for a different way to get fuel line to back carb
    I haven't seen a top end gain with a few different set-ups including this one. The tach has seen about 5400 with an 850 DP, a 750 DP, a 750 VS and now this. It does have a lot better throttle response with the TR and I don't seem to have to give it as much throttle at cruise speed. I was also surprised that the fuel consumption didn't increase at all from an Air Gap with the 750 VS.
    More than likely the engine needs a different cam for there to be any noticeable difference but the same is probably true with the other set-ups I ran.

    you could go with a fuel log such as this-
    Last edited by Cas; 03-31-2010 at 11:24 PM.

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    Living in a cage of fear thatguy's Avatar
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    With 660's they should be "in-line", correct? All You need is the adj. linkage bar to connect the carbs, if it isn't there already.
    Do you have a "tray" under the carbs?
    These pics are 660's, please excuse the mess (during build stages), it is tidied up much better now!



    My reg. is mounted on the front of the tray. I would have done it a little differently (and still might) but the TR and carbs' came basically set up that way, although I changed out all the fuel components. It is nice being able to see the gauge though.


    Here it is sort of together. This was before I got the water cross and replaced most of the water hoses with braided.

    Tommy
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    Tommy please remove all Jimsplace quotes from your sig and don't put more back. He doesn't like it and it is against the rules. Thank you.
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    Senior Member TNYoungblood's Avatar
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    Heres my setup, pretty easy
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  9. #7
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    Default that guy

    no im not running a plate under carbs
    and cas i like that fuel rail who makes that ????????

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    '84 Laser LTV - Restoration in progress
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    Quote Originally Posted by thatguy View Post
    With 660's they should be "in-line", correct?
    Not necessarily Tommy. It's a matter of personal preference. I set mine up sideways and used linkage from Good Vibes. The bowls are easier to get at for jet changes. I also ran into a problem years ago with a single DP Holley where the fuel would wash to the back of the secondary bowl and effectively run out of gas when at WOT. Although it was an easy fix with a set of jet extensions, I figured I'd just forego all the headaches and try this deal instead.

    This setup has worked fine since I put it on about 4 or 5 years ago. It was a real gas hog until I modded he secondary linkage to open later (much much later). Now they're actually pretty good on gas. Lots of people cautioned me against the mod, but it was either that or different carbs so I gave it a try. The mod was free and new/different carbs were not.

    To answer dsjelly's other question. I made the switch from a Weiand Stealth dual plane with an 850 DP holley to this, and got zero gains. I couldn't resist though. I got the tunnelram and both carbs for $250. Wasn't gonna pass that up. I paid as much to have it polished as I did to purchase it.





    From the linkage side.



    Modified secondary bell crank.

    Last edited by Squirtcha?; 04-01-2010 at 08:25 AM.

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    Living in a cage of fear thatguy's Avatar
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    Squirtcha,
    That is a nice set up!

    Mine is much milder, haven't seen the "slosh" problems you mention. I did play a little with the jetting when I first installed it, and it was a pain. Only made changes at the house, then would see what it did at the Lake.
    Our hydro is another story, however, and the sideways Doms are WAY easier to do maintenance on! (besides the fact that thats the only way they fit!)
    Tommy
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    Quote Originally Posted by Squirtcha? View Post
    Not necessarily Tommy. It's a matter of personal preference. I set mine up sideways and used linkage from Good Vibes. The bowls are easier to get at for jet changes. I also ran into a problem years ago with a single DP Holley where the fuel would wash to the back of the secondary bowl and effectively run out of gas when at WOT. Although it was an easy fix with a set of jet extensions, I figured I'd just forego all the headaches and try this deal instead.

    This setup has worked fine since I put it on about 4 or 5 years ago. It was a real gas hog until I modded he secondary linkage to open later (much much later). Now they're actually pretty good. Lots of people cautioned me against the mod, but it was either that or different carbs so I gave it a try. The mod was free and new/different carbs were not.





    From the linkage side.



    Modified secondary linkage.

    good to know-i have the same set up on mine and was wondering if they should be inline!

  14. #12
    Cas
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    Quote Originally Posted by dsjelly View Post
    no im not running a plate under carbs
    and cas i like that fuel rail who makes that ????????
    here's a link to an online store that carries them-
    http://www.racers-wholesale.com/prod...m?InvKey=44128

    keep an eye on ebay also.
    btw, the carbs I have are 600's, not the 660's

  15. #13
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    Default squirt

    that has to b 1 of the best looking fords i have seen nice work and that is hard me to say being a chevy guy

  16. #14
    Cas
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    Quote Originally Posted by dsjelly View Post
    that has to b 1 of the best looking fords i have seen nice work and that is hard me to say being a chevy guy
    I gotta agree with you on that!
    If you have an Offy 360º Tunnel Ram, that adjustable fuel log won't fit. It won't adjust out far enough due to the 360º having an 11"+ center to center on the carbs.

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