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Trick Flow heads and E-85 #2778139
05/25/20 05:54 PM
05/25/20 05:54 PM
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birdtracker Offline OP
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Anyone running Trick Flow 240 or 270's and using E-85 for fuel. Looking for a spark plug recommendation. Thanks Birdtracker

Re: Trick Flow heads and E-85 [Re: birdtracker] #2778156
05/25/20 06:51 PM
05/25/20 06:51 PM
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Bend,OR USA
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I haven't bought and used a set of those heads yet on my bracket E85 S/P car yet but if they take a 3/4 inch reach plugs like SB and 426 hemi use try a Autolite #3933 or the next hotter 3934.
I have ran these plugs in both of my bracket motors with aluminum Eddy Victor M.W. on the old motor and with the Indy 440-1 at 15.0 to 1 compression on the new 400 block stroker motor shruggy
IHTHs scope


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Trick Flow heads and E-85 [Re: birdtracker] #2778341
05/26/20 12:16 PM
05/26/20 12:16 PM
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Central Il.
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jughed Offline
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I'll be doing the E85 change soon. Running 440-1s on a 540 @ 13.5:1. I like NGKs, and it was suggested that I start with the -9 heat range plugs.




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Re: Trick Flow heads and E-85 [Re: birdtracker] #2781238
06/03/20 09:12 PM
06/03/20 09:12 PM
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Cedar Rapids, IA
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69Mcode440 Offline
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I use the NGK 7 non projected tip with the 240 heads on E85. 440 with 13.2 Ross dome pistons, stock stroke.

It's a Mark Sullens Dominator.

Mike


Mike
69 440 Cuda
71 Dart drag car
70 Duster drag car (project)
2006 Ram 1500 SLT 4x4
Re: Trick Flow heads and E-85 [Re: jughed] #2781281
06/04/20 12:55 AM
06/04/20 12:55 AM
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Bend,OR USA
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My first E85 motor (14.5 to 1 comp) did NOT like cold plugs, I was running the retracted gap Autolite race plugs, 3932 slow the car down compared to the 3933 and 3934, 3932 being colder
The new motor is close to 15.0 to 1 on all eight cylinders and I'm going to be doing more tuning and learning on it this year, if we ever get to race like normal luck


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Trick Flow heads and E-85 [Re: jughed] #2781321
06/04/20 08:44 AM
06/04/20 08:44 AM
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Western NC
440Jim Offline
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Western NC
Originally Posted by jughed
I'll be doing the E85 change soon. Running 440-1s on a 540 @ 13.5:1. I like NGKs, and it was suggested that I start with the -9 heat range plugs.
The NGK -9 plugs are very cold for normally aspirated engines. I suggest starting with -8 for 13.5 CR. twocents
The -7 might even be fine for longer plug life.


1993 Daytona, 1973 Cuda 440, 2009 Challenger 5.7 Hemi, 2015 RAM 1500 5.7 Hemi 8-speed auto
Re: Trick Flow heads and E-85 [Re: 440Jim] #2781593
06/05/20 06:28 AM
06/05/20 06:28 AM
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S.E. Michigan
cl440 Offline
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S.E. Michigan
We made the switch to E85 this season. I have 440-1 heads and run the -8 NGK. They seem to work good. I ran -9 plugs with Methanol and they worked ok. I read E85 likes a hotter plug.

Re: Trick Flow heads and E-85 [Re: cl440] #2835885
10/21/20 09:02 PM
10/21/20 09:02 PM
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Spring Hill Fl
65Fury440 Offline
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Old thread revival....

Would the NGK R5671A-8 plug be a reasonable place to start with a 12.5-1 E85 RB?

Re: Trick Flow heads and E-85 [Re: 65Fury440] #2835928
10/22/20 01:06 AM
10/22/20 01:06 AM
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Bend,OR USA
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No tsk
I have ran my 800 HP bracket motor on E85 since 2013, it does not like cold plugs at all whiney I would start with a retracted gap NGK-6 (sorry for not knowing that part # blush) and then maybe try a -7 later to see what your motor likes.
I use Autolite race plugs, part # 3934 up 3/4 inch reach, 5/8 plug size with a retracted gap scope


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Trick Flow heads and E-85 [Re: Cab_Burge] #2836077
10/22/20 12:02 PM
10/22/20 12:02 PM
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Spring Hill Fl
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Thanks cab, I'll start there then.

Re: Trick Flow heads and E-85 [Re: 65Fury440] #2836102
10/22/20 12:56 PM
10/22/20 12:56 PM
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birdtracker Offline OP
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Cab is correct, 6 or 7 on the heat range, and also non extended tip for E-85. Birdtracker

Re: Trick Flow heads and E-85 [Re: 65Fury440] #2836520
10/23/20 01:37 PM
10/23/20 01:37 PM
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Indy
FlyFish Offline
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Indy
My 408 (Eddy heads),13:1 compression uses NGK R5671A-7 plugs. Works great.


67 Barracuda street car, 408, e85, 1.38 60', 6.44 @105.9 in the 1/8 mile, 10.19 @130.5 in the 1/4...so far....
Re: Trick Flow heads and E-85 [Re: FlyFish] #2836760
10/23/20 09:21 PM
10/23/20 09:21 PM
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Bend,OR USA
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Have you tested a hotter plug in your motor on a back to back test with no other changes?
If not me thinks you should scope wrench twocents I'm pretty sure you will be surprised up scope


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Trick Flow heads and E-85 [Re: Cab_Burge] #2837178
10/25/20 06:16 AM
10/25/20 06:16 AM
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birdtracker Offline OP
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also E-85 likes the blue HVC coil. I changed from a Blaster 2 to the HVC and the difference was tremendous.
Birdtracker
https://www.jegs.com/i/MSD/121/8253...08M7P7AIVxwiICR0QxgwZEAQYAyABEgIl5PD_BwE







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