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Might be, but come on now. I've never run the stuff (even when it had elevated zinc levels years ago), but there was a time when even you referred to Rotella as a 'fine suggestion.'

There was a time not so long ago when Rotella diesel oil was the hot ticket item to combat flat cam lobes. A lot of people swore by it - including MANY on this site.

Looks like it's set up for drag racing. You'll know how much power it's making after the first couple passes. MPH and weight will give you a better hp estimate than us.

Who's EDM lifters do you go with?

Only one way to find out.

Where's the timing at???????????????

Is there a general rule of thumb for which plug should be used for reading when the engine has a dual plane manifold? I'd imagine reading them all would provide the most info, but you're still somewhat limited by use of a carb in terms of tuning each cylinder, right?

What's the thread pitch of your adjusters?

Are you planning to take it out to the track any time soon?

What pistons are you running? Did you measure the actual SCR at 9.5, or is that just what the book says?

I know of a couple dynos you can go to and instantly gain 100 hp. LOL

Anyone have a crystal ball?

After a month, your fuel bowls are likely empty. No number of pumps will help. I'm surprised your buddy's edelbrock isn't any worse. They're notorious for that issue.

Has the current combo been run yet?

That's a pretty short tire. I'd be willing to bet you won't pick up any ET in the 1/4 going from your 3.23s to a 3.55 or 3.73 with your mild 408. With my old 408 duster, i ran identical ETs with 3.23, 3.91s and 4.88s. I was a kid then and had no clue what I was doing, but they're data points...

What size tires?

The older cast Mopar 4" cranks are junk. Not sure who made them, but I had one break in half ~12 years ago in a VERY mild 408.

Too bad more people don't realize this. Everyone likes those big dyno numbers for **** swingin purposes.

:rolleyes: LOL

Any of those MRL 408s have any 1/4 mile MPH #s?

What heads are you running? Any work done to them?

How many inches are you trying to feed?

They work with stock springs just fine. I've seen plenty of fast cars at the track with stock springs and calvert bars. There's a reason they recommend their springs. Sure, they probably work a little bit better, maybe. But they also make money on them...

Drain the radiator first

Bring it up in 1st gear til the valves start to float. 100 rpms below that is the limit.

I'd start with more accelerator pump shot. I've only dealt with holleys, but it sounds like you're not getting enought initial fuel when you mash the throttle. More accelerator pump shot should help.