Super Sniper "carb" Spacers, Your choice would be???

Big Block A body Tech

  1. Kent mosby

    Kent mosby FABO Gold Member FABO Gold Member

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    I have a super sniper fed 512rb. Currently it has a 1 inch open spacer into a trickflow single plane intake. I want to add a merge spacer from Wilson. I know that there is no magic formula that would work on all cases. That being said, if you were going to buy just one merge spacer for my setup, would you buy a 1 inch, 1.5 inch or 2 inch spacer. I have a large hood scoop so clearance is not an issue?. wsn-004130_nb_xl.jpg
    RB 512ci, 440 source stroker kit with lightweight crankshaft, forged pistons, 10.83 CR. Trick Flow 240 heads, 440 source aluminum rockers 1.5RR, Trick flow single-plane intake. Holley Super Sniper EFI, HyperSpark ignition, coil and distributor. TTI 2 inch headers. Hughes 3000 stall converter. 727 transmission with transgo TF2 valve body mods. B&M Quicksilver shifter. Gear vendors overdrive to 8 3/4 rear end with 3.91 gears, braced in back. SS leaf springs. Competition Engineering race shocks. Pypes Exhaust 3" into 2.5 inch. RacePro mufflers. Cooper Cobra 275/60-15 28.2 inch diameter tires, will have drag radials for track. Current cam specs 244°/252° @ .050”, 282°/290° adv, .516”/.537” lift (1.5:1 rocker), 112° LSA, .016”/.018” lash, Solid lifter from Oregon Cams.
     
  2. PRH

    PRH Well-Known Member

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    If you’re only buying one........I’d just go with Wilson’s recommendation.
     
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    • Kent mosby

      Kent mosby FABO Gold Member FABO Gold Member

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      Now that makes total sense. Why didn'tI think of that. I will contact them directly
       
    • Syleng1

      Syleng1 Karma is real and Life is short... FABO Gold Member

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      This sounds like an episode of “Engine Masters.” Lol!
      They did a whole thing on those spacers.
       
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      • Kent mosby

        Kent mosby FABO Gold Member FABO Gold Member

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      • 92b

        92b FABO Gold Member FABO Gold Member

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        I wouldn't assume that the motor wants a spacer. Cheapest thing you could do is try it with no spacer. Especially if it is a mostly a street driven car. I have seen on the dyno where no spacer picks up the bottom end with little or no loss on the top end. I have also seen good gains mid and top with the right spacer with little or no loss to the bottom end. Don't count out the no spacer option unless you have already tried it. Keep in mind changing spacers can also change the air fuel ratio or the jet the motor wants. Generally but not always no spacer = less jet and spacer = more jet. It might be tough to sort out by seat of the pants.
         
        Last edited: Nov 9, 2021
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        • Johnny Mac

          Johnny Mac www.blueprintengines.com FABO Vendor

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          Every engine is different, but you may want to try and borrow one of those spacers before shelling out for one. I'm sure those are effective on some engines, but mine didn't care if it was on there or not....on an engine dyno.
           
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