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Drag coefficient for a 122 120-130

posted by JohnMc on Fri Oct 12 01:52 CST 2007
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last visit: Thu Oct 23 07:42 CST 2014

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"From 3500rpm, up, those 40mm would be holding you back."
All I can say is - it sure doesn't feel like it. The cam only really kicks in at 3200 rpm or so, but then it pulls hard up past 7000 rpm. Definitely a large improvement over the re-jetted SU's that were on it before. Is it possible I'm missing out on a whole lot og pep without some 45's or 48's? Very possible, but I'm not going to spend a bundle on some just to find out. I'm sort of done tinkering with the PV. Switching from 40's (I got the whole set up for $350 shipped on eBay) to 45/48's is one of those expensive incremental things that you get into past a certain point.

I had looked into putting on DCOE style injection bodies (my R-sport head isn't drilled for injectors, and a D-Jet manifold doesn't fit in a PV anyhow) but got sticker shocked, and decided the 40's worked good enough, didn't need to put fuel injection on it. And I get all my electronic fuel injection kicks on my 245 now anyhow.

I haven't weighed the 245, I need to find a scale somewhere and do it some time. But it is a late model 245. With ABS/Air bag-n-knee bolster/power this-n-thats. All in all about as heavy as a 245 ever got. I figure with me sitting it it's probably around 3300 - 3350 lbs? 14.09@97.57 mph was my best run, and it still wasn't quite running cleanly. I guess it probably doesn't quite calculate out to 250 whp, depending on the calculator you use. I'm going to pep the ignition up by replacing the bosch ignition controller with an MSD 6A box and see if that helps.
--
'63 PV544 rat rod, '93 Classic #1141 245 +t

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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

Drag coefficient for a 122 120-130