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Author
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Topic: RPM Calculator
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bibbs68
Gearhead Posts: 1563
From: Jackson, TN
Registered: Sep 2000
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posted 02-23-2005 03:16 PM
   
Does this work for you guys? When I put in my numbers, 3.55, 215, and 60 MPH, with a 5 speed, it looks out of whack. Or maybe my heads is out of whack. LOL! http://www.jawsgear.net/store/catalog/calc.php ------------------
Jeremy
'68 Coupe
M&M Member #685
Servin' the Lord in My Ford!!!
http://www.geocities.com/bibbs76/MyMustang.html [This message has been edited by bibbs68 (edited 02-23-2005).]
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SteveLaRiviere
Administrator Posts: 42358
From: Saco, Maine
Registered: May 99
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posted 02-23-2005 03:21 PM
That's because it is asking for your tire height in inches. Your tires aren't 215 inches tall.  ------------------
'70 Mustang Mach 1 351C 4V/FMX/3.25 Open
'70 Mustang Convertible 250 I6/3 speed/2.79 Open
'72 Mustang Sprint Hardtop 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
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bibbs68
Gearhead Posts: 1563
From: Jackson, TN
Registered: Sep 2000
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posted 02-23-2005 03:25 PM
See, I knew it was my head that was outta whack! Thanks Steve for the details.  It looks alot better using 25.85039, instead of 215. LOL! I guess 2200 RPM in 5th is pretty good. [This message has been edited by bibbs68 (edited 02-23-2005).]
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Fastymz
Moderator Posts: 18250
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 02-23-2005 05:23 PM
quote:
Originally posted by bibbs68:
See, I knew it was my head that was outta whack! [This message has been edited by bibbs68 (edited 02-23-2005).]
It's nice that I'm not alone anymore. ------------------
oddly obsessed with big scoops on little Mustangs 65 coupe 351w C4 Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics
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bibbs68
Gearhead Posts: 1563
From: Jackson, TN
Registered: Sep 2000
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posted 02-23-2005 05:33 PM
quote:
Originally posted by Fastymz:
It's nice that I'm not alone anymore.
Man! I can't be like you. I'm gonna have to do something about that! LOL! Sadly, it seems that I am becoming more and more like you. After seeing this picture, I'm headed for a big scoop myself...  Thanks Mike for the 2nd prod of insiration.
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Fastymz
Moderator Posts: 18250
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 02-23-2005 05:36 PM
Mike's Mustang is just BADD! 
But thats the LITTLE boss 429 scoop. 
Heck even his garage is awesome.
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oddly obsessed with big scoops on little Mustangs65 coupe 351w C4 Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics [This message has been edited by Fastymz (edited 02-23-2005).]
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bibbs68
Gearhead Posts: 1563
From: Jackson, TN
Registered: Sep 2000
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posted 02-23-2005 05:38 PM
quote:
Originally posted by Fastymz:
Mike's Mustang is just BADD!
But thats the LITTLE boss 429 scoop.
Well, I didn't want to have to try and fill your shoes. I'll let you be the BIG Boss and I'll be the Boss-In-Training. LOL!
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Fastymz
Moderator Posts: 18250
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 02-23-2005 05:39 PM
quote:
Originally posted by bibbs68:
Well, I didn't want to have to try and fill your shoes. I'll let you be the BIG Boss and I'll be the Boss-In-Training. LOL!
LOL
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oddly obsessed with big scoops on little Mustangs 65 coupe 351w C4 Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics
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bibbs68
Gearhead Posts: 1563
From: Jackson, TN
Registered: Sep 2000
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posted 02-23-2005 05:44 PM
We better quit talking about this before they all catch on and try and get us axed. 
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Fastymz
Moderator Posts: 18250
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 02-23-2005 05:49 PM
Ok back to the RPM calculator. I'd say 2200 rpm @ 60 in 5th is darn good. ------------------
oddly obsessed with big scoops on little Mustangs 65 coupe 351w C4 Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics
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bibbs68
Gearhead Posts: 1563
From: Jackson, TN
Registered: Sep 2000
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posted 02-23-2005 05:54 PM
With my current 2.79 gears I'm at 1700RPM. Talk about good gas mileage.
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Fastymz
Moderator Posts: 18250
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 02-23-2005 06:11 PM
Freeway flyer ------------------
oddly obsessed with big scoops on little Mustangs 65 coupe 351w C4 Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics
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