Volvo RWD 120-130 Forum

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Do the math 120-130

posted by KLR142 on Mon Oct 22 21:15 CST 2007
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last visit: Mon May 9 12:44 CST 2011

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The SU's always seemed to need a half second or so to respond to a sudden throttle opening, the Weber's just go VROOM.

I was always experiencing that with my 142 as well, until I put some thicker(30wt) oil in the dashpots, coming from ATF. That might've been a bit of overkill, but I wasn't getting that initial waiting(lean bog) period anymore.

And the line of resoning that would lead you to think that each cylinder hooked to a single SU gets that 240 CFM during it's turn would also lead you to figure that a single 240 CFM carb would do just as well a job feeding all 4 cylinders

Oh yes! That's what I was missing... DOH! John, some HIF6s would've done you better(than the HS6s, I mean), and some extreme spacing out of the carbs(maybe not possible with the PV's bay) could only help the proper feeding of the cylinders. Each cylinder might not get the full 240cfm per carb, but they aren't only going to be getting 120cfm either. But that doesn't mean I agree they'd outperform some 40 DCOEs, but I don't know... :)

It's all starting to make sense again. Now, if only the proper cylinders were paired, and had longer runners for the SUs... And then you tossed on some modern Mikunis... >:) Hehehe
--
Kyle - 244! - Kawasaki Ninja 250R - Oregon Volvo Tuners?

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Drag coefficient for a 122 [120-130]
posted by uncle_bagley subscriber on Tue Oct 9 17:22 CST 2007 >

Drag coefficient for a 122 [120-130]
posted by B20Paul. subscriber on Tue Oct 9 20:18 CST 2007 > V
- Drag coefficient for a 122 [120-130]
  posted by JohnMc on Wed Oct 10 01:13 CST 2007 > V
  - Drag coefficient for a 122 [120-130]
    posted by walrus3 subscriber on Wed Oct 10 08:35 CST 2007 > V
    - Drag coefficient for a 122 [120-130]
      posted by Gary L subscriber on Wed Oct 10 14:07 CST 2007 > V
      - Drag coefficient for a 122 [120-130]
        posted by T.Lyttle on Wed Oct 10 14:59 CST 2007 > V
  - Drag coefficient for a 122 [120-130]
    posted by B20Paul. subscriber on Thu Oct 11 18:02 CST 2007 > V
- Drag coefficient for a 122 [120-130]
  posted by uncle_bagley subscriber on Wed Oct 10 08:50 CST 2007 > V
  - Drag coefficient for a 122 [120-130]
    posted by B20Paul. subscriber on Thu Oct 11 17:30 CST 2007 > V
    - Drag coefficient for a 122 [120-130]
      posted by EJO on Thu Oct 11 23:56 CST 2007 > V

Drag coefficient for a 122 [120-130]
posted by sdewolfe subscriber on Tue Oct 9 21:39 CST 2007 > V
- Drag coefficient for a 122 [120-130]
  posted by uncle_bagley subscriber on Wed Oct 10 08:49 CST 2007 > V

Drag coefficient for a 122 [120-130]
posted by someone claiming to be nate on Wed Oct 10 09:38 CST 2007 > V
- Drag coefficient for a 122 [120-130]
  posted by Gary L subscriber on Wed Oct 10 11:00 CST 2007 > V

Drag coefficient for a 122 [120-130]
posted by Gary L subscriber on Wed Oct 10 10:45 CST 2007 > V
- Drag coefficient for a 122 - Gary (and others) were right! [120-130]
  posted by uncle_bagley subscriber on Mon Oct 15 04:53 CST 2007 > V
  - Drag coefficient for a 122 - Gary (and others) were right! [120-130]
    posted by Gary L subscriber on Mon Oct 15 10:29 CST 2007 > V

Drag coefficient for a 122 [120-130]
posted by JohnMc on Thu Oct 11 02:16 CST 2007 > V
- Drag coefficient for a 122 [120-130]
  posted by Champ 6 on Thu Oct 11 08:45 CST 2007 > V
  - Drag coefficient for a 122 [120-130]
    posted by JohnMc on Thu Oct 11 09:02 CST 2007 > V
- Yeah, but... [120-130]
  posted by Phil S. on Thu Oct 11 09:40 CST 2007 > V
  - Yeah, but... [120-130]
    posted by JohnMc on Fri Oct 12 02:04 CST 2007 > V
- Drag coefficient for a 122 [120-130]
  posted by B20Paul. subscriber on Thu Oct 11 18:10 CST 2007 > V
  - Drag coefficient for a 122 [120-130]
    posted by KLR142 on Thu Oct 11 20:11 CST 2007 > V
    - Drag coefficient for a 122 [120-130]
      posted by B20Paul. subscriber on Fri Oct 12 04:27 CST 2007 > V
      - Drag coefficient for a 122 [120-130]
        posted by JohnMc on Fri Oct 12 05:28 CST 2007 > V
        
        Drag coefficient for a 122 [120-130]
        posted by B20Paul. subscriber on Fri Oct 12 05:53 CST 2007 > V
        
        Drag coefficient for a 122 [120-130]
        posted by JohnMc on Fri Oct 12 07:38 CST 2007 > V
        
        Drag coefficient for a 122 [120-130]
        posted by B20Paul. subscriber on Sun Oct 14 03:02 CST 2007 > V
        
        Drag coefficient for a 122 [120-130]
        posted by JohnMc on Mon Oct 15 02:01 CST 2007 > V
  - Drag coefficient for a 122 [120-130]
    posted by JohnMc on Fri Oct 12 01:52 CST 2007 > V
    - Drag coefficient for a 122 [120-130]
      posted by B20Paul. subscriber on Fri Oct 12 04:17 CST 2007 > V
      - Drag coefficient for a 122 [120-130]
        posted by JohnMc on Fri Oct 12 05:21 CST 2007 > V
        
        Drag coefficient for a 122 [120-130]
        posted by B20Paul. subscriber on Fri Oct 12 06:02 CST 2007 > V
        
        Drag coefficient for a 122 [120-130]
        posted by JohnMc on Fri Oct 12 07:46 CST 2007 > V
  - Drag coefficient for a 122 [120-130]
    posted by Blue Horse on Fri Oct 12 14:15 CST 2007 > V
    - Drag coefficient for a 122 [120-130]
      posted by B20Paul. subscriber on Sun Oct 14 02:59 CST 2007 > V
      - Do the math [120-130]
        posted by Blue Horse on Mon Oct 15 00:27 CST 2007 > V
        
        Do the math [120-130]
        posted by lee subscriber on Mon Oct 15 03:27 CST 2007 > V
        
        Do the math [120-130]
        posted by B20Paul. subscriber on Fri Oct 19 04:59 CST 2007 > V
        
        Do the math [120-130]
        posted by KLR142 on Fri Oct 19 16:13 CST 2007 > V
        
        Do the math [120-130]
        posted by JohnMc on Mon Oct 22 07:36 CST 2007 > V
        
        Do the math [120-130]
        posted by KLR142 on Mon Oct 22 21:15 CST 2007 > V
        
        Do the math [120-130]
        posted by B20Paul. subscriber on Mon Oct 22 23:27 CST 2007 > V
        
        Do the math [120-130]
        posted by KLR142 on Tue Oct 23 19:08 CST 2007 > V
        
        Kyle, he's talking about the single weber downdraft manifold. You've seen one (Pic link inside) [120-130]
        posted by someone claiming to be hudson on Fri Oct 26 03:24 CST 2007 > V
        
        Kyle, he's talking about the single weber downdraft manifold. You've seen one (Pic link inside) [120-130]
        posted by B20Paul. subscriber on Fri Oct 26 18:50 CST 2007 > V
        
        Gotcha... [120-130]
        posted by KLR142 on Sat Oct 27 08:10 CST 2007 > V
        
        Gotcha... [120-130]
        posted by B20Paul. subscriber on Sat Oct 27 08:38 CST 2007 > V
        
        Gotcha... [120-130]
        posted by KLR142 on Sat Oct 27 13:23 CST 2007 > V
        
        Gotcha... [120-130]
        posted by JohnMc on Mon Oct 29 02:18 CST 2007 > V
        
        Staggered Ram [120-130]
        posted by B20Paul. subscriber on Mon Oct 29 19:30 CST 2007 > V
        
        Do the math [120-130]
        posted by B20Paul. subscriber on Mon Oct 22 23:35 CST 2007 > V
        
        Do the math [120-130]
        posted by JohnMc on Tue Oct 23 02:09 CST 2007 > V
        
        Do the math [120-130]
        posted by B20Paul. subscriber on Tue Oct 23 04:19 CST 2007 > V
        
        Do the math [120-130]
        posted by JohnMc on Thu Oct 25 01:55 CST 2007 > V
        
        Do the math [120-130]
        posted by Blue Horse on Thu Oct 25 10:38 CST 2007 > V
        
        Do the math [120-130]
        posted by B20Paul. subscriber on Fri Oct 26 19:46 CST 2007 > V
        
        Do the math [120-130]
        posted by JohnMc on Mon Oct 29 02:13 CST 2007 > V
        
        Do the math [120-130]
        posted by B20Paul. subscriber on Mon Oct 29 18:46 CST 2007 > V

Drag coefficient for a 122 [120-130]
posted by uncle_bagley subscriber on Fri Oct 12 05:08 CST 2007 > V
- measured Drag for a 222 [120-130]
  posted by lars young on Sun Oct 28 05:57 CST 2007 > V
  - measured Drag for a 222 [120-130]
    posted by uncle_bagley subscriber on Sun Oct 28 13:49 CST 2007 > V
    - measured Drag for a 222 [120-130]
      posted by JohnMc on Mon Oct 29 02:15 CST 2007 > V
      - measured Drag for a 222 [120-130]
        posted by KLR142 on Mon Oct 29 06:14 CST 2007 > V
        
        measured Drag for a 222 [120-130]
        posted by someone claiming to be lars young on Wed Oct 31 13:13 CST 2007 > V

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Volvo RWD 120-130 Forum

Do the math 120-130