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Speed Density/Carb/SSP section This section is for the Speed Density or Carb vehicles, as well as Special Service Package 'Stangs

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Old 11-18-2014, 07:35 AM   #1
347stroker_carb
 
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Join Date: Apr 2014
Vehicle: 91 mustang/cobra
Location: GA
Posts: 5
Default Anderson N51HR timing advance from stock 14*?

i have a 347 stroker with the Anderson N51HR cam and need a little help on finding how much i need to advance my timing from the stock 14* from the 302.

i have it set now at 18* and its running decent but it would help to know the exact mark to help solve some of the other issues i have with it.


thanks

CAM SPECS:

AFM N-51HR

226*/234* - 293*/301* - .520"/.528" - .325"/.330" - 110* - 105*/115*

Overlap: 77 degrees.

1.6 Rocker Ratio

Intake Opening: 8* BTDC

Intake Closing: 38* ABDC

Exhaust Opening: 52* BBDC

Exhaust Closing: 2* BTDC
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Old 11-19-2014, 07:55 AM   #2
mjr46
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Vehicle: 85 mustang
Location: West Virginia
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Default

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Originally Posted by 347stroker_carb View Post
i have a 347 stroker with the Anderson N51HR cam and need a little help on finding how much i need to advance my timing from the stock 14* from the 302.

i have it set now at 18* and its running decent but it would help to know the exact mark to help solve some of the other issues i have with it.


thanks

CAM SPECS:

AFM N-51HR

226*/234* - 293*/301* - .520"/.528" - .325"/.330" - 110* - 105*/115*

Overlap: 77 degrees.

1.6 Rocker Ratio

Intake Opening: 8* BTDC

Intake Closing: 38* ABDC

Exhaust Opening: 52* BBDC

Exhaust Closing: 2* BTDC
It depends, I run mine at a base of 19 with total at 36 and all in by 3200 rpms I also run a msd billet distributor that has a tunable mech advance.........what issue are you having?? also most 302's run a base stock of 10 degrees not 14
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Old 11-19-2014, 07:55 AM
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