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Are You stating the density of atmosphere above the restrictor plate is unimportant?

In this instance, yep...

The funny thing is, for all of the experience DV has, He acted somewhat puzzled when He gave a NAPCAR team a "super atomizing" carb setup He created for a restrictor plate engine......and it lost like 6mph+ or something on that order. Since I've despised the sanctioning body since the early...

The problem with the DV Quote-bot, it is not in context, DV was stating that simply smoothing the surface of most as-cast heads results in very little to no gain...flow-wise...not that there is not a desired surface to increase output & decrease BSFC.... And screw the drag stuff, run a circle...

What would be nuts would be to have a 30-40% or higher casting failure rate from core drop-out, resulting in an enormous pile of ruined castings waiting to be melted back down to be re-prepped/skimmed or simply left for dead.

Have You been on .org? There are members who were making/offering them, & there may be a pattern available as well, can't hurt to check. Scrapers as well...

Awesome news, glad You're feeling better, welcome back!

He was planning on stroking it with a 360 crank if I read this correctly at the start. Edit; & never returned after 8-31-'17, hope He's OK & just got diverted/moved on..

Yeah, that's kind of annoying the parts group lists the trans by the basic TF6/904 case style.

Kudos on the victory & great run!!!

While Your quoting DV for the basic geometric relationships; port form, orientation, inclination, & placement all affect what happens at the most important element...the valve job/throat form. It doesn't take as much lift as You think for the port/design/chamber to have a sizable effect. And My...

OK, it's fixing locale based on viewer not poster, good to know. But Greg DID put the ZIP in the ad so....

What this all boils down to is....... Uncle Tony was right, like the 225 Slanty, the deck's too tall & the rod's too long for the stroke......the rod angle's too far behind the burn at lower rpm's............................. :popcorn:

Where do You think Your $$$$$ goes when You purchase Your FCA/Stellantis ride???

I'm not sure they ever were as a casting. I have a pair of "6671"s that are not cracked between the seats that I can see, but I've got to mag them to be 100% sure. I think there were more cracks developed when the early plenum cover gaskets were failing constantly, putting oil in the cylinders &...

Lol, I've seen newbs at the dealer really hose it, puddles & drippin' everywhere,....lolol!! It DOES have a preservative effect on stuff like bare aluminum, plastics, etc. that lasts a little while,.....so it's not total BS. It does present much better & helps it stay that way for a while, as...

We don't want to leave impurities on the surface, they may damage the finish, so we'll drive them off & out with high pressure water...probably lucky the Dr. quarter didn't come off, looks like it was fixed with bubble-wrap, Oh Boy................

I think it's detailing spray, just about every used car on a lot anywhere gets that today, just part of the process.

Dude, wtf does that have to do with comparing a Poly head to an LA head? And if You're a Mopar Guy with all of these tech answers, how do You not know or have a reference at Your fingertips what the installed ht. Polys have...??? Gary Pavlovich & crew have probably done as well as will be done...

Frankly, if You've got full OE style quarters, You should put them on. Do a nice job of drilling out & separating the spot welds, & sell the nice full '69 quarters to somebody who needs them, I'm sure there'll be takers.

And to add to those unaware, if You click/tap on the city name,.... the location, map, etc. is linked automatically from this site....a great feature We have at Our disposal here.... Mine is just PA, so at least the State's obvious.....Thanks FABO!!

That's actually a helluva good deal for that...

DC/MP did offer a ported head, good pistons & a few decent cams, a windage tray & bolt package, intakes/carbs etc. all of the hotrod valvetrain stuff was just SB to go with the 1.70"/1.44" valves they sold. I think that would've been cool if they'd have offered one.

Piss poor Hot Rod Folklore, no such animal. 3.25" Bore ; 218c.i. '34-'54 , 230c.i. '41-'60 . 3.375" Bore ; 228c.i. & 241c.i. '37-'41 3.4375" Bore ; 237c.i. '42-'52 , 251c.i. '42-'68 , 265c.i. '53-'60 . *These are all listed truck apps.* All of which would be flathead engines.

*4.375" stroke*

That would be a .020"-.030" over bore & 4.375" stroke, & not one catalog or book from Mopar shows or even mentions that, sounds like an independant setup from somebody.....a dealer or Mancini etc......

SOLD,...Thx FABO!!