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An issue that I have on my 62 300 Sport w/ 727: Full throttle up shifts are way too early. I don’t have a tachometer on the car, but I’m guessing the upshift RPM is under 4000 RPM. Have checked every portion of the linkage for proper operation and adjustment, it’s working as it should. It will...

Actually by my second post I had 440 stuck in my head so if he needs a correct one for a 383 or one with 2 snorkels I can’t help. There’s only 2 part numbers for a 440 with single snorkel in 1967, with and without c.a.p..

I found an NOS 1968 Sport Fury emblem/nameplate for the trunk finish panel. I have an NOS finish panel as well. Please send me a private message.

Fuel is fresh, 90 oct. standard point condenser ign. All new, from Halifax.

maybe your heads will come in closer to 86 cc. your block and heads should be milled to run the .017 head gasket. my 1965 L was faster than the 300H I rode in. when he kicked in the 2x4 you could hear the air going into the carbs but did not accelerate very fast.

Could be the heat riser valve loose and rattling. May possibilities. We need to hear it. Put valve cover on and start the engine. Make a new video.

How about H or G engine vin? Title says B or RB

K code or L code?

Funny story kinda related. I worked at a repair shop, good custome comes in with a mid 70's Datsun 4 cyl pickup. "Engine has a noise, you can't miss it". I check it out, the timing chain is eating away at the engine because the tensioners are toast and chai e is very sloppy. Call him, make a...

Do you have pertronix ignition? How old is the fuel?

What car? What air cleaner: dual or single snorkel? Breather line connection or not? Imperial?

No gaskets. But that doesn't mean it's not something else. Regarding Chat GTP, I don't comment on any AI generated information as what I have seen is usually incorrect and confusing. I choose to ignore it.

Nicks Garage test of the 300J cross ram 413 is the best I have ever seen with that induction set up. Yes, MONSTER mid range torque from that 413. EXACTLY what it was engineered to accomplish! Horsepower fell off dramatically @ high RPM (4500rpm+ if I remember correctly) , But that would not have...

Have you ever run across a k code sport fury? Edit; had 67/68s on the brain.

I’ve got a set of valve covers in good condition and 1 extra ‘67 air cleaner that someone modified by adding an incorrect crankcase vent nipple.

Since both the turquoise K code E85 350 horse and the L code orange E86 375 horse were available in a Sport Fury and you are making it up anyway, you may as well go with orange. The VIN or fender tag won't match so you can argue for the orange and be correct.

"I consider that "background information" from my experiences." The OP doesn't care about your background info and experiences. He wants useful suggestions, not Whack-a-Mole. "Loose rocker arms? Shaft-mounted rocker arms are that way because they have to be, unlike stud-mounted rocker arms."...

I have never driven or worked on a 300H so its performance is a bit of a guess on my part. Using a bar for something I do have experience with: Overall performance similar to a stock well tuned 383 automatic 68-70 Road Runner would suit me fine. That’s actually a pretty high bar for that 440 in...

Digging a little deeper, I found an Icon flat top w/ highest CH so far @ 2.067, Part# IC968. 9.9CR w/ .017 gaskets and 90cc head chamber. This weekend I will measure head chamber volume and the compression height of the current pistons. Hoping I will get lucky and the chamber volume will be...

I consider that "background information" from my experiences. Perhaps it comes from my parents being career school teachers and my orientation toward "product information" which can be shared with customers (in my career as a dealership front counter parts sales person, plus a car enthusiast)...