Volvo RWD 120-130 Forum

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Do the math 120-130

posted by JohnMc on Mon Oct 29 02:13 CST 2007
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last visit: Thu Oct 23 07:42 CST 2014

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When I got the head it had very fresh looking valves. I'm not sure where it came from, but it had sucked a nut into one of the cylinders, which had trashed the motor. And it was subsequently parted. There was a light nick or two on the intake valve in that cylinder, and 5 - 10 very light nicks in the combustion chamber. All which were very superficial and taken out easily with a dremel. But it looked nastier in a little computer picture, which is why I got the head so cheaply on eBay.

Biggest issue with the head was that it had been shaved *WAY* down, way down beyond the realm of what would be usable in a street car. I think the chambers CC'd out to 32.5 when I first checked them. Ridiculously high CR on top of even a 2.0L bottom end. I reshaped the chambers slightly (unshrouding the bigger valves, widening the sides of the chamber to match the bigger bore) and got them up to 37.5 cc's. Then built the motor using dished B21FT pistons to regain another 12cc's of space. Now it runs very well on 93 octane pump gas.

But the R-Sport head came later, I still had a stock F head on it with the SU's. Then the DCOE's went on with the 32mm chokes, big improvement. ried the 36mm chokes and it didn't work well, so I put the 32's back in. Then came the rebuilt bottom end and the R-sport head, at which point the 36mm chokes worked just fine.
--
'63 PV544 rat rod, '93 Classic #1141 245 +t

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MESSAGES IN THIS THREAD

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