When should you upgrade stock ignition?
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Old May 6th, 2007, 11:12 AM   #1
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When should you upgrade stock ignition?


Here is my setup:
5.0 HO out of a 91
Mild Lunati Cam (similar specs to Ford E cam)
Ported and Polished GT40p heads and intake
Paxton Novi setup for 10-12psi
70mm throttle body
42lb injectors 90mm mass airflow
255lph fuel pump and inline pump
Fuel Pressure Regulator
MSD Blaster Coil
MAC shorty headers
BBK Hi-Flow Cat H-Pipe
Magnaflow CatBack
MAC Underdrive Pulleys

I would like add a boost timing master. Should I get the MSD unit designed for the stock ford ignition, the 6btm or a 6al and 8762 btm unit?

Thanks
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Old May 6th, 2007, 12:18 PM   #2
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6al is the best unit availeble in my opinion. Def. get that one. I run that one myself.
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Old May 6th, 2007, 01:15 PM   #3
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A 6al should be plenty good for a street car.
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Old May 6th, 2007, 03:53 PM   #4
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dont change your distributor..there is money better spent elswhere...but get a 6AL it has a built in rev limitor unlike the 6A
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Old May 6th, 2007, 06:59 PM   #5
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and also its general that anything running over 10:1 compression you should upgrade
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