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12-10-2003, 09:52 PM
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#1 |
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Registered User
Join Date: Nov 2003
Location: Mandan, ND
Posts: 422
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Spark Plugs for BB
What kind and what gap does everyone use fortheir big block motor if they haveone?
I am running a .35 gap now and wonder if that is correct. I have an HEI, Holly 750 carb, edlebrock performer intake. thanks Ron
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Life is full of choices and a Chevy is the best choice. 1990 Chevy SWB |
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12-10-2003, 09:56 PM
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#2 |
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My son, my joy.
Join Date: Sep 2003
Location: Spokane WA
Posts: 463
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HEI gap is .045
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12-11-2003, 12:59 AM
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#3 |
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Account Suspended
Join Date: Nov 2003
Location: Oregon
Posts: 300
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I run .35 gap on mine with a mallory unilite, blasters 3 coil, and a msd 6al box.
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12-11-2003, 01:03 AM
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#4 |
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Senior Member
Join Date: Apr 2000
Location: Delta,Pa
Posts: 14,950
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72super open your gap up to .045 you will probably get a lil better gas mileage and some more power.
1tonswb open your gap to .050-.055 and that truck will liven up a bit. with an msd box you can actually run up to about .065 plug gap
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Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member. |
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12-11-2003, 01:10 AM
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#5 |
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Registered User
Join Date: Nov 2003
Location: Mandan, ND
Posts: 422
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thanks for the info. As soon as it is not as cold as a witch's tata, I will get that taken care of!
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