static and dynamic compression and pump gas

Good homework, DWB! I like it when folks get to going through this info. And I like your project overall.

IMHO, your DCR is gonna require better than pump fuel with the iron heads. I have run 8.3 on iron heads with quench and had to limit ignition timing carefully. If you really end up a 8.6, then be very careful.

Just some thoughts, in no particular order:

• Any reason to not go with Edelbrock AL heads? Better detonation resistance and the cost has come down.
• Do the EQ Magnums have 59 cc chambers or 62 cc? I thought it was 62 cc's....IMHO, you'd be a bit better off with 62 cc's. With 62 cc's, I come up with SCR = 11.2 and DCR at 8.45 with an ICA of 69.
• You can always retard the cam a bit to help. But the fuel change may do the trick.
• Ya know, you can get the EQ's machined for the LA rockers.....
• With pushing the DCR up so much, those cast pistons are gonna be living on the edge.... Hypers or forged are better for surviving detonation. But I guess you are working with the stroke issue and getting anything off-the-shelf is gonna be a challenge.
• For pure drag race, high DCR is gonna make your traction headaches bigger. But you'll have a wider torque range and so should be able to make the top end better with lower rear gearing with just 3 gears. That should be interesting; do you run 1/8 or 1/4 mile? OK, I see... 1/8 mile... so the extended top end speed may not as much benefit.
• Pins are floating for those pistons, in case you had not noticed.
• I am questioning if you are going to get adequate piston-to-valve clearance with those no-eyebrow, flat top pistons at zero deck.
• Something like the Silvolite 1438 might work for eyebrows if you can find some bushings to go in to the rods and use the smaller pins (press fit). What rods are you using?