Plugs

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Plugs

Post  747JetMech on May 22nd 2018, 12:25 am

Hey Fellas.. Should be firing up my stroker 408 Cleveland in a few weeks. It is 12.7 to 1 compression. N.A. application. Plug recommendations?

Thanks!
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Re: Plugs

Post  rmcomprandy on May 22nd 2018, 9:54 am

747JetMech wrote:Hey Fellas.. Should be firing up my stroker 408 Cleveland in a few weeks. It is 12.7 to 1 compression. N.A. application.  Plug recommendations?

Thanks!

What plug thread dimensions and seating type does that head you are using require...?

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Good Grief

Post  747JetMech on May 22nd 2018, 11:39 pm

Randy. With all the different heads out there, I didn't specify what head. Scatter brained to say the least.. OEM 4V Cleveland..

Thanks

PS: I will post the numbers after it hits the dyno. Getting excited! ( 2 years! )
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Re: Plugs

Post  FalconEh on May 22nd 2018, 11:46 pm

NGK UR4 or UR6 (colder)
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Re: Plugs

Post  rmcomprandy on May 23rd 2018, 12:24 am

747JetMech wrote:Randy. With all the different heads out there, I didn't specify what head. Scatter brained to say the least.. OEM 4V Cleveland..

Thanks

PS: I will post the numbers after it hits the dyno. Getting excited! ( 2 years! )

With that compression ratio, I would use an Autolite AR23; an AR133 if there is a big dome on the piston.

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Thx

Post  747JetMech on May 24th 2018, 6:48 am

Thank You...


Last edited by 747JetMech on May 24th 2018, 6:52 am; edited 1 time in total (Reason for editing : .)
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