Offshoreonly.com - New to me, twin 454,B&M 250,s

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Scscoripion

07-15-2018 08:53 PM

New to me, twin 454,B&M 250,s - what ingition curve?

Hi, I’m almost ready to try this 39 c.c. Scorpion, trying to set up the msd ingition curve, any one have an idea? 8.6 to 1 compresion, holly 1000 cfm,24 pitch clever 4 blades, stainless marine headers,,,,

dereknkathy

07-15-2018 11:32 PM

A lot of people use locked timing with blowers.

Griff

07-16-2018 01:15 AM

I would set it up with around 16-20* of advance with full advance around 3500rpms.
Run total timing at 32-34*

Scscoripion

07-16-2018 09:01 PM

Thank you Griff,I don’t know about locking out the timing, seems like it may run better with the advanced system working,,,,

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