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VW Addict 
Samba Salesman
Joined: January 09, 2003
Posts: 3934
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 Posted: Fri May 06, 2005 5:24 pm Post subject: RPM Idle? |
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What is your RPM idle suppose to be? I just hooked a tach on my car, and I get about 1200 RPM on idle. Is that high, or normal? Seems high to me. Also whats redline? I got it det on redline for 4k.
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Migit
Banned
Joined: July 09, 2004
Posts: 831
Location: Central Illinois
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| Posted: Fri May 06, 2005 5:53 pm Post subject: |
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| Well my next door neighbor "Bob" says that it is supposed to be 800 or 850 but that depends on motor size |
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sovereignsamba
Banned
Joined: March 06, 2004
Posts: 2845
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| Posted: Fri May 06, 2005 9:52 pm Post subject: |
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I think VW factory spec was 900? not sure, that may have been for an auto stick. Mine is somewhere around 600...... sounds like a tractor.  |
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iowegian
Samba Curmudgeon
Joined: February 16, 2005
Posts: 9977
Location: Somewhere between Dubuque and Keokuk
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| Posted: Sat May 07, 2005 6:15 am Post subject: |
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I find that 375 rpm at idle is the optimum for fuel economy. You never have to worry about wasting gas at stop signs. As for red line-- weren't
those the early HotWheel toys?  |
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RareAir
Samba Member
Joined: May 11, 2002
Posts: 14577
Location: 18 miles North of the border
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| Posted: Sat May 07, 2005 7:27 am Post subject: |
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| Paul Schield wrote: |
| Well my next door neighbor "Bob" says that it is supposed to be 800 or 850 but that depends on motor size |
Bill Mays neighbor is also named Bob. Always refers to him whenever there's a VW technical question asked. Bentley was his last name I believe. 
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1947 Typ 11a
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VW Addict
Samba Salesman
Joined: January 09, 2003
Posts: 3934
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| Posted: Sat May 07, 2005 1:57 pm Post subject: |
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| Hmm.. Thanks. I have a weber carb in it right now, but will be putting my EMPI duals on in a few days, after some adjustments and timing, I will get it lower. |
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glutamodo
The Android
Joined: July 13, 2004
Posts: 26606
Location: Douglas, WY
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| Posted: Sat May 07, 2005 2:35 pm Post subject: |
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375RPM at idle? Too freaking low if you ask me, you'd be better to shut if off. In the early 60's VW books talked about going to 550RPM but even that was too low. Especially in damp or cold weather, the engines don't like to stay running. Later VW went to a 800-950 RPM range, depending on make and model. I usually set my cars around 900-950.
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iowegian
Samba Curmudgeon
Joined: February 16, 2005
Posts: 9977
Location: Somewhere between Dubuque and Keokuk
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| Posted: Sat May 07, 2005 3:12 pm Post subject: |
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| glutamodo wrote: |
375RPM at idle? Too freaking low if you ask me, you'd be better to shut if off. In the early 60's VW books talked about going to 550RPM but even that was too low. Especially in damp or cold weather, the engines don't like to stay running. Later VW went to a 800-950 RPM range, depending on make and model. I usually set my cars around 900-950.
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Andy-- I was attempting to be humorous  |
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glutamodo
The Android
Joined: July 13, 2004
Posts: 26606
Location: Douglas, WY
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| Posted: Sun May 08, 2005 7:27 am Post subject: |
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ah, I wasn't sure for sure there... I thought you might have some car with magical powers!
Now, the trains I operate at work, THEY idle at about 330RPM.... but those are also 16 cylinder engines.
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bk63rag
Samba Member
Joined: February 26, 2004
Posts: 883
Location: Martinez ,ca
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| Posted: Sun May 08, 2005 12:34 pm Post subject: |
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I try to keep it around 900 RPM
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