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Kirkham Motorsports

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  • 2 Post By Kit Coyle

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  #1 (permalink)  
Old 05-06-2015, 04:03 AM
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Join Date: Jul 2012
Location: Bethesda, MD
Cobra Make, Engine: ERA w/302 from Engine Factory
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Default Gas Tank

Can anyone tell me how many gallons of gas the tanks that ERA uses will hold? The gas gauge on the ERA 289 I just bought isn't working and I'm trying to back into when to refill the hard way. Also, safe bet that a 302 would probably be getting me around 10/12 mpg?

Thank you.
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Old 05-06-2015, 05:27 AM
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Join Date: Dec 2001
Location: Castalia, Oh
Cobra Make, Engine: EM cobra, 450 inch sbc running a best ET of 9.14..so far..ALL MOTOR...approx 800 horse.............ERA with 482 FE..All Aluminum Engine
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Per ERA's web site.



DIMENSIONS:
Weight [w/ iron Ford 427] ...2600 lb.
Weight distribution, f/r(%).......49/51
Wheelbase.................................90"
Track, front/rear..................55"/57"
Length, overall........................156"
Width, maximum......................70"
Height, to top of windscreen.....47"
Ground clearance.......................5"
Fuel capacity....................19.5 gal.
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Old 05-06-2015, 07:49 AM
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Cobra Make, Engine: ERA 289 FIA #2114
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Also, safe bet that a 302 would probably be getting me around 10/12 mpg?

I have a ERA 289 FIA with 331ci SBF and 3.77 diff, I get 15 to 18 mpg around town, 19 to 20 mpg on the highway with TKO .82 gearing.
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Old 05-06-2015, 12:17 PM
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Cobra Make, Engine: ERA FIA #2117; 331 stroker; TKO600
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If you are only getting 10 mpg with a 302 variant there is something off on your tuning. I have a Keith Kraft 331 stroker in my FIA and generally get around 20 mpg, unless I do some highway cruising with the .67 OD gear. Normally run around twisty country roads in 3rd and 4th. 446 HP at 6000 rpm dyno chassis reading with 326 rwhp. AFR 165 heads.
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Old 05-06-2015, 06:17 PM
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Cobra Make, Engine: ERA 838 under construction, ERA 755 sold, ERA 178 sold
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My big block got better than that on the highway.

John
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Old 05-06-2015, 06:26 PM
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Cobra Make, Engine: SPF MKII Riverside Racer FIA
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With a 19.5 gallon fuel tank you should be able to get about 240 miles per tank full. If you are getting 10-12 with a 302 you must either have a heavy foot or the carb is not set up right. I am averaging 12-14 with a 428 with a rather stout cam.
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Old 05-07-2015, 07:13 AM
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Cobra Make, Engine: ERA, 428, 4 speed Toploader, Jag rear, Red with White stripes
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Quote:
Originally Posted by 1795 View Post
With a 19.5 gallon fuel tank you should be able to get about 240 miles per tank full. If you are getting 10-12 with a 302 you must either have a heavy foot or the carb is not set up right. I am averaging 12-14 with a 428 with a rather stout cam.
I wish I got that. My 428 with a stout cam gets about 10mpg at best!
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Old 05-09-2015, 05:05 PM
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I can honestly say I have never checked it. Its kind of fun to pull into the gas stations and get the "is it real" questions. I am getting the answer down though!

Phil
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Old 05-27-2018, 11:57 AM
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Cobra Make, Engine: ERA FIA, 351W
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Anyone know how difficult it is to remove era fia gas tank?
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Old 05-27-2018, 01:12 PM
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Cobra Make, Engine: ERA #812 427/482 FE
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Quote:
Originally Posted by Grego119 View Post
Can anyone tell me how many gallons of gas the tanks that ERA uses will hold? The gas gauge on the ERA 289 I just bought isn't working and I'm trying to back into when to refill the hard way. Also, safe bet that a 302 would probably be getting me around 10/12 mpg?

Thank you.
The ERA website lists 19.5 gallons for the FIA and 14.5 gallons for the slab side. I don't know which car you have.

My 427SC will only hold 18 gallans, despite the ERA stated capacity of 19.5.
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Old 05-27-2018, 01:17 PM
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Default FIA fuel tank removal

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Originally Posted by fastd View Post
Anyone know how difficult it is to remove era fia gas tank?
It's not too hard. There is a drain plug on the bottom corner of the tank.

- drain the fuel
- undo the hose clamp in the trunk on the filler tube
- undo the hose clamp on the vent line in the rear passenger wheel well
- unplug the sending unit wire at the front corner of the tank
- remove the 4 bolts on either side of the tank and it will drop free.
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Old 05-27-2018, 02:02 PM
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Cobra Make, Engine: ERA FIA #2064 BOSS 302 CSX2047 sold
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With a 1970 Boss 302 updated to solid roller with 10.5 compression and 680
mechanical Holley double pumper I get 10-12 with a heavy foot. The 3:31
rear and .68 5th gear gives me 15+ but the heavy foot wins 90% of the time.
1985 CCX and Jdata like this.
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