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I’d say the use of what are probably 50+ year old rockers and shafts on a freshly built HP 440 combo was obviously a bad call.
The pic of the spacer in the wrong location in the pic in post #49 is evidence the assembler wasn’t very detail oriented and/or not very familiar with Mopar big blocks...
Not that it really matters at this point, especially since it will be getting new heads…….
But, my take on whether or not they are Stealth heads(based on the currently posted pics)……
If you look at the end of the head in this pic, you can see the bosses for the alternator mount, like what...
I’m not sure what’s the norm over there, but here the seats are typically made with the correct press fit, when using a “standard” cutter.
In other words, an SBI brand 1.687 seat would measure 1.6925. Which would give .0055 press if the hole was cut with a 1.687” cutter.
I would think any air pulled into the exhaust from the pan-evac would affect the readings.
My experience with pan-evac systems and exhaust systems is they don’t play well together.
If the O2 is fairly close to the open end of the pipe, the readings at less than WOT won’t be super...
No mention of which block is being used.
The World/Mopar blocks, as well as the BME blocks don’t oil the top end thru the camshaft.
Those blocks have full time top end oiling.
I believe the Indy Hemi block is the same.
If using one of those blocks, restrictors are highly recommended.
I understood the “cause and affect” of your situation.
I was just reminiscing about how when you’re building an engine from a bunch of parts the come from different manufacturers……….. sometimes even the basic stuff can cause assembly problems.
Like your damper and the slinger.
If you really...
My first experience with the slinger causing issues was found when freshening a very nice, pretty high dollar build(that the owner had assembled himself originally).
As it turned out the the damper/slinger/lower gear/crank/timing cover all needed some attention.
The engine had a Callies crank...
I have seen that type of wear pattern before, but not in person.
Good catch!!
I’ve seen it with some with aftermarket cranks that the diameter of the snout, where the gear rides, is extended out past the gear enough that it interferes with the slinger being able to fit up flush against the...