plug recomendation
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Posting Guru
Joined: Oct 2003
Posts: 1,570
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From: Appling, GA
plug recomendation
Motor is a 289 w/ 10:1 compression, World Products Windsor heads, Edlebrock RPM Performer intake, MSD 6A box, Ford Motorsports coil, Accel spiral 8mm wires and Mallory unilite distributor. It has Autolite platinum AP25 plugs w/ a .060 gap. What plugs and gap do you guys recomend?
Senior User
Joined: Dec 2006
Posts: 408
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From: Emmett, ID
Have a gander i think you will like:
http://www.supertruckusa.com/products/55114_106.htm
If i posted useful to you please let me know...thank you.
http://www.supertruckusa.com/products/55114_106.htm
If i posted useful to you please let me know...thank you.
Last edited by Broken40; Feb 15, 2008 at 02:34 PM.
Cargo Master
Joined: May 2007
Posts: 2,071
Likes: 35
From: British Columbia
Thanks, I had already read that incredible information. It says the plugs may reduce fuel consumption up to 13% and may increase power up to 12%.
Remember those little propellers you could put in the air intake stream?
Polonium tipped spark plugs?
Magic pills a driver put in the fuel tank?
Intake manifold gaskets with little screens?
I do want to believe, but every time I buy into the new miracle product it seems to be a bust. But hey, maybe this time...
Remember those little propellers you could put in the air intake stream?
Polonium tipped spark plugs?
Magic pills a driver put in the fuel tank?
Intake manifold gaskets with little screens?
I do want to believe, but every time I buy into the new miracle product it seems to be a bust. But hey, maybe this time...
Senior User
Joined: Dec 2006
Posts: 408
Likes: 0
From: Emmett, ID
on the spark plugs yes, i actually know from experiance with those..i've never heard of the "magic pills" lol. give me more info lol.
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Senior User
Joined: Jan 2008
Posts: 440
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From: pg b.c
I had a stock 289 4bbl 10:1, it ran best with motorcraft....don't forget Ford built some high com. engines and always used motorcraft or autolite
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Cargo Master
Joined: May 2007
Posts: 2,071
Likes: 35
From: British Columbia
I checked my Autolite catalogue heat range section, and it shows 23 as coldest, 26 hottest. Autolite's numbering system seems pretty incomprehensible though, for other styles of plugs the hotter plugs have lower numbers.