Power Adders Getting a Supercharger or Turbocharger? Thinking about using Nitrous? All forced induction and N2O topics discussed here.

What plugs to use with this setup?

Old Aug 1, 2010 | 09:36 PM
  #1  
ian1320's Avatar
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From: Far South Chicagoland
Car: 88 IROC-Z and 86 IROC-Z
Engine: TPI 305 and E85/Nitrous 383
Transmission: 700R4 and T56
Axle/Gears: 3:27 and TBA
What plugs to use with this setup?

I just finished my 383 build and im looking for some advise on the right plug to use for my 150 shot.

The engine is a vortec 5.7 (bored and stroked to 383) with an LT4 Hotcam, 062 heads, 10.5:1 compression, full MSD ignition system w/ 6AL box. It currently runs on premium but im going to be switching to an quickfuel e85 system soon.

Does the difference in fuel require a different plug as well? If so what do you suggest for both setups?

Thanks in advance for the help.
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Old Aug 4, 2010 | 05:09 AM
  #2  
tom86iroc's Avatar
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From: pawtucket RI
Car: 1986 iroc
Engine: alum. head 350 supercharged
Transmission: 6speed
Axle/Gears: ford 9in 3.90 35 spline moser axles
Re: What plugs to use with this setup?

i run 2 steps lower in my car with the supercharger i run a 3924 autolite
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Old Aug 4, 2010 | 07:39 AM
  #3  
ian1320's Avatar
Thread Starter
Member
 
Joined: Jun 2009
Posts: 116
Likes: 0
From: Far South Chicagoland
Car: 88 IROC-Z and 86 IROC-Z
Engine: TPI 305 and E85/Nitrous 383
Transmission: 700R4 and T56
Axle/Gears: 3:27 and TBA
Re: What plugs to use with this setup?

what fuel do you run? There is a ton of info out there for gasoline + nitrous but info on e85 is slim.
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Old Aug 5, 2010 | 04:48 PM
  #4  
ian1320's Avatar
Thread Starter
Member
 
Joined: Jun 2009
Posts: 116
Likes: 0
From: Far South Chicagoland
Car: 88 IROC-Z and 86 IROC-Z
Engine: TPI 305 and E85/Nitrous 383
Transmission: 700R4 and T56
Axle/Gears: 3:27 and TBA
Re: What plugs to use with this setup?

NGK TR6 N/A and NGK B8EFS on the spray..... that a good starting point?
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Old Aug 5, 2010 | 06:57 PM
  #5  
tom86iroc's Avatar
Senior Member
15 Year Member
iTrader: (1)
 
Joined: May 2008
Posts: 867
Likes: 1
From: pawtucket RI
Car: 1986 iroc
Engine: alum. head 350 supercharged
Transmission: 6speed
Axle/Gears: ford 9in 3.90 35 spline moser axles
Re: What plugs to use with this setup?

i run a mix of 94 and cam2 112 i believe yeah i'm not fimiliar with e85
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