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Old 02-20-2007, 03:57 PM   #1
swebb
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Default VP CMP

I had asked a question a while back about which fuel to use and I was told C12 or C14. Now I noticed recently more people are being recommended to use CMP. Is this a fuel I should consider??

Engine setup:

Naturally aspirated 347 SBF
Cylinder Heads: AFR 205cc (Milled to 55cc Chambers)
Vacuum Pump: Moroso 3 vane (~14 inches of vacuum)
Compression: ~13.75 - 14:1 C/R
Shift: ~ 7500
3000# race weight
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Old 02-21-2007, 11:37 AM   #2
Pooch565
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If you want to run an oxygenated fuel, then CMP would be a great choice. It should give you 3 to 5 hundredths in the quarter over C12.


Jason
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Old 02-21-2007, 12:24 PM   #3
swebb
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Are there any pros or con to running an oxygenated fuel?
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Steve Webb

QuickLX.com
X275 - SBF 363, 88mm, A/A, 1.27 60', 5.36 @ 131.7 (3185lbs street car)

Special Thanks to:
Competition Components (Scott Brown)
Team Z Motorsports (Dave Zimmerman)
Hutch's Transmission Service (Hutch)
Monson Racing(Jim Monson)
Work Turbocharers (Reed Patridge)
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Old 02-22-2007, 12:46 PM   #4
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Pro's it makes more power. Cons it costs more. Thats about it.
Give me a call at 812 466 1175 if you want to chat.

Jason
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Old 02-22-2007, 06:00 PM   #5
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At what compression ratio would it be advised to go from CMP to DRT?
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Old 02-25-2007, 10:34 PM   #6
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It depends on CR, cubic inch and RPM. I would say to be safe, in a small block and high rpm, 8500 or so, 14 to 1 or higher go to DRT. If you were at 7500rpm I would say CMP. If you are a big block and 7500rpm, I'd say 13 to 1 or so go to DRT. Let me know if there is anything else you need.

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Jason
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Old 02-26-2007, 06:44 PM   #7
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Thanks for the info Jason!
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