Help with timing

[Hijinx]

I have a 74 charger with a 440... trying to figure out what the best initial timing and total timing would be for it.

Has a Holley Sniper EFI installed with 1" spacer
MSD 6al box, blaster 2 coil, distributor and MSD plug wires

Stealth Aluminum heads (440source)

Comp cams Part# 21-227-4...
Duration @ .050 Intake-231 Exhaust-237
Lobe lift Intake-.3510 Exhaust- .3510
Lobe separation 110.0

Patriot headers with dual exhaust x-pipe...

thanks for any help...

 

[super-bee_ski]

We could ask her.....

 

[RemCharger]

36 total, and initial will be what it'll be, until you tailor it. Luckily the msd dist is easy to curve

 

[diesel_lv]

My 383/496 w Fitech n yadda yadda yadda likes 17° idle, less exhaust smell and idles cooler. Max timing will depend on fuel octane, compression, intake valve closing etc... run it, if it detonate, back it down. Otherwise go to a dyno.

 

[Paul_G]

Start low and creep up. Base timing is not so criticle, all in extremely criticle. Can you hear the engine over the exhaust? Spark knock can be heard if the exhaust is not too loud. I would start on the conservavtive side around 30° all in to begin with and see how the engine performs. step up a little at a time till the engine knocks or stops improving. Keeping the timing advance short is wise, get the all in timing close, then adjust the curve for your base at something under 20°.