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3/7/12 12:13am - Original Message: 'Fuel to use in original 454/390'
Willie C
Former Member
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Joined: 2/22/2012
Posts: 1
What fuel would be best to use in an original  454/390 1970 big block

|UPDATED|3/6/2012 10:13:25 PM (AZT)|/UPDATED|
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3/7/12 7:53am - Reply: 'Re: Fuel to use in original 454/390'
ceastham1
Former Member
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greer, SC - USA

Vette(s):
C(6-5+2)VR - 1964 convertible 327/365 & 2003 convertible - 50th Anniversary Edition & 2010 3LT Coupe

Joined: 10/15/2007
Posts: 746
if it were my 454/390 - I would be dropping 93 octane just like the others.

ps - welcome to the forum.

|UPDATED|3/7/2012 5:53:22 AM (AZT)|/UPDATED|


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3/7/12 10:43am - Reply: 'Re: Fuel to use in original 454/390'
yostusota
Former Member
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York, PA - USA

Vette(s):
1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top

Joined: 5/18/2010
Posts: 1518
Welcome to C3VR.. I guess it's what you want...I find with my car to keep it tuned to the higher end of horsepower output I need to use 5 gallons of Turbo blue..its expensive but the car runs great with it!! I have to dial back my timing and idle mixture to get it to run ok with the 93 ethanol gas..like I said though..its all in what you want..or in how much you want to spend to drive it..my biggest problem with tuning it to run on the high octane is that I can only drive the 200 miles before I need gas again..Turbo blue is hard to find at times so I have to change stuff around if I'm going on a longer ride..if you can do that on your own and am willing to do so then it may work for you too!

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My first parade at Carlisle 2010
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 Forums -> C3 Fuel, Emission Control, and Exhaust Systems
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