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Will a lean or rich A/F setting cause the engine to lag or stumble a little when you punch the throttle? Or is it timing related? I'm set at 18 deg now, no idea what total is though. 750 Holley DP on the engine (440)

I have a '69 440 HP block, balanced blue printed,.040 over, 6 pak rods, flat top pistons, 509 cam, Edelbrock performer intake, guessing 1-3/4" headers from "Dougs", Chrysler elec ignition, 750 holly dbl clunker.....steel crank. ported/polished steel 906 heads .....anyway, what is the best...

I'm trying to determine if the sending unit is pooched or just stuck. This is a Summit pro street fuel cell. Was working fine earlier. How do I test it? I know this 440 is thirsty so it ain't awesome fuel economy all of a sudden LOl!

I have a rattling valve train noise under load only. (clackity sound if that helps at all) Is this a valve lash issue or a detonation issue? its a 440 with stell heads (#906),

This kinda relates to my last post regading dist clearance on Edelbrock heads. I have to replace the heads as one is cracked and cannot be repaired. The machine shop has a set of 906 heads. Mine had the casting # 216. I was told these are open chamber heads with 2.1 valves etc. Well ported but...

Has anyone used these on a BB 440? If so, are there issues with the distributor clearing the head? I have a mopar electronic with vacuum advance. There was a notation on their web site about that it "May not" clear the head.

I have an odd leak in the trans. To summerize, it's a TQ727, year ??, car is a 64 motor is a 69. I had to jack the motor up to remove the header in order to access the head bolts. The leak appreared about a week after I had dropped the motor back on the mounts. It was lifted about 3". Now I...

OK, So I picked up the 64 Savoy. So far nothing but bs. Blew a head gasket as they were test driving...hmmm Question is, Theres no water in the oil, the head is leaking coolant at the front (#1cyl). This will seem a no brainer but I want opinions before I get in over my head..no pun intended...

I run 20W50 full synth in my mustang 5L, Question is, the car I bought has a 69 built 440, prev owner has no idea what oil he has in it. Is 20W50 full synth race oil over kill for this motor or is 10W30 or 5W20 better for street use? What is the general recommendation for the bigblocks?

If someone says the trans is slow to shift from 2nd - 3rd "sometimes" and you need to blip the throttle to get it to shift, what should I be concerned about? (looking at a purchase) It has a 3500 rpm stall in it so I was wondering if the engine rpm was too low to shift at the time the owner was...