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4Likes

07-27-2014, 07:07 PM
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Full Blown Member
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Join Date: Sep 2008
Cobra Make, Engine: KMP 427 S/C, Twin Paxton 511 FE
Posts: 2,594
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Not Ranked
Quote:
Originally Posted by CSX3183
Are we really worried about our mileage, be it in town or highway. If you're worried, you bought wrong car!
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Worried?
I thought we were bragging?

__________________
rodneym
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07-27-2014, 07:33 PM
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Senior Club Cobra Member
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Join Date: May 2001
Location: Florence,
AL
Cobra Make, Engine: RCR GT 40 & 1966 Fairlane 390 5 speed
Posts: 4,511
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Not Ranked
I installed a Keith Craft 408 530 hp 540 tq motor into Mike Hodges B&B. Later he called and asked about fuel mileage. I laughed and said he should get the same as Coach Mike, 12 -14 mpg. He said he was getting 6.7 mpg.
I told him to bring it by and we would get Coach to checked the Quick Fuel carb.
Coach drove the car and then went to work. Checked timing, dead on, checked the power valve, etc. We called Keith Craft and talked to the engine builder / dyno guy. He told us they did not jet the carb for idle and cruise only wide open throttle.
Coach changed the jet and drop them about 4 or 6 sizes. Finished his magic work on the carb. Did a few test drives and made some changes.
Hodge drove it for a few weeks and then call me to tell me he was getting 13.2 mpg.
I'm a fuel injected guy. Coach is our carb guy.
Dwight
__________________
''Life's tough.....it's even tougher if you're stupid.'' ~ John Wayne
"Happiness Is A Belt-Fed Weapon"
life's goal should be; "to be smarter than inanimate objects"
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07-27-2014, 09:42 PM
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CC Member
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Join Date: Aug 2009
Location: Phoenix,
AZ
Cobra Make, Engine:
Posts: 1,956
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Not Ranked
Quote:
Originally Posted by Dwight
I installed a Keith Craft 408 530 hp 540 tq motor into Mike Hodges B&B. Later he called and asked about fuel mileage. I laughed and said he should get the same as Coach Mike, 12 -14 mpg. He said he was getting 6.7 mpg.
I told him to bring it by and we would get Coach to checked the Quick Fuel carb.
Coach drove the car and then went to work. Checked timing, dead on, checked the power valve, etc. We called Keith Craft and talked to the engine builder / dyno guy. He told us they did not jet the carb for idle and cruise only wide open throttle.
Coach changed the jet and drop them about 4 or 6 sizes. Finished his magic work on the carb. Did a few test drives and made some changes.
Hodge drove it for a few weeks and then call me to tell me he was getting 13.2 mpg.
I'm a fuel injected guy. Coach is our carb guy.
Dwight
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This motor runs so well I will deal with poor mpg before I mess with it.
I have never had a carb motor so user friendly.
__________________
FFR MK1---Sold
Superformance #884 --- Sold
No more Furds.
Last edited by DWRAT; 07-27-2014 at 09:46 PM..
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07-27-2014, 10:00 PM
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CC Member
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Join Date: Sep 2011
Location: Loudon,
Tn
Cobra Make, Engine: Superformance#2352/Aluminum SO/490 c.i. 650 h.p. 605 tq.
Posts: 410
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Not Ranked
I don't get miles per gallon, I get stations per mile
(SPM)
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07-28-2014, 06:35 AM
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CC Member
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Join Date: Feb 2008
Location: Paradise Valley,
Az
Cobra Make, Engine: FFR MK3/302/570 street avenger
Posts: 1,348
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Not Ranked
DanR,
We're not betting on your mileage, we're betting on how long your new motor will last. 
On the last Route 66 Fun Run I averaged 23 mpg after we got out of town. Not bad for a 340 hp crate 302 with a Holly 570 Street Avenger.
Last edited by Scotchman; 07-28-2014 at 06:37 AM..
Reason: R
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07-28-2014, 02:34 PM
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CC Member
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Join Date: Mar 2003
Location: Wickenburg AZ- PHX, Cinci, Indy before,
AZ
Cobra Make, Engine: FFR Mk 3 408 530 - 585 T- mustang Dyno at B&R
Posts: 1,836
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Not Ranked
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07-28-2014, 04:13 PM
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CC Member
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Join Date: Aug 2009
Location: Phoenix,
AZ
Cobra Make, Engine:
Posts: 1,956
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Not Ranked
Quote:
Originally Posted by Fitz
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Fitz,
What do you really get, we have the same motor?
Are you running a Holley 750 double pumper by chance?
__________________
FFR MK1---Sold
Superformance #884 --- Sold
No more Furds.
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