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Author Topic: Still improving a little at a time  (Read 913 times)

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Faron

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Still improving a little at a time
« on: October 02, 2025, 10:52:23 AM »
My 68 ran a best of 10.63 @ 126.95 this year with a best 60ft of a 1.46 C-6  with low gear set and 3.66 Rear Gears Tight 10 inch street Converter leaving at 2300 Car weighs 3450 , presently
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Stangman

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Re: Still improving a little at a time
« Reply #1 on: October 02, 2025, 10:21:01 PM »
Nice work.
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Faron

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Re: Still improving a little at a time
« Reply #2 on: October 03, 2025, 03:32:35 AM »
Since it just became available lately, I think I'm going to give E85 a shot
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Stangman

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Re: Still improving a little at a time
« Reply #3 on: October 03, 2025, 10:08:16 PM »
If the fuel systems up to it I believe you just have to fatten up the jets
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hbstang

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Re: Still improving a little at a time
« Reply #4 on: October 09, 2025, 04:16:28 PM »
just remember,it takes a full 1/3 more fuel flow with e85 over gas.make sure your pump is rated for e85,and carbs or injectors have enough flow.especially with a blown engine .
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6667fan

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Re: Still improving a little at a time
« Reply #5 on: October 11, 2025, 02:23:48 PM »
Awesome!
Have you tried different final gear ratios? Seems tall but obviously you are getting it to work. How low is that first gear? What are trap rpms?
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JB


67 Fairlane 500
482 cid 636/619.
Tunnel Wedge, Survival EMC CNC heads, Lykins Custom Hydraulic Roller, Ram adjustable clutch, Jerico 4-spd, Strange third member with Detroit Locker, 35 spline axles, 4.86
10.55@125.74 1.46 60’

Faron

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Re: Still improving a little at a time
« Reply #6 on: October 19, 2025, 09:57:47 AM »
I tried 4.11 it went slower!!  It wasn't spinning, I believe it has to do with the converter being so tight, the higher ratio gears Load the converter ( on the converter ) Sadly I cant give you trap rpm because like most tracks its mostly 1/8 mile racing now ( I hate 1/8 Mile ) First
 gear is 2.72
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