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I almost always throw the springs away and use quality spring pressures for the cam I’m using. I don’t always know where the springs come from on complete heads. The spring height recommendation is always followed. I don’t care how the head came or with what springs are on it. It all gets...

Has anybody have real world experience between these two mufflers on which is actually the quietest muffler? Performance is not part of the criteria only silence. No interior sound, as little sound as possible at the exhaust tip is sought. Thanks

They are but port out better. According to the head porters here, they require a bunch of work making them as or more expensive than Edelbrock heads with all the extensive work that’s being done. If a full tilt head is the order of the day, they would be the route vs a Edelbrock head. Thanks...

I road my motorcycle on that road. Heck of a road with 318 turns in 11 miles. Beautiful area. Well worth a trip to do, bike or car.

NICE! This is really old stuff to know these days. I had a co worker asking me if I wanted his left over 340 parts from his father and son build. Dumbbell lifters can with a few things.

Warning!!!! Awesome dude above this post!! ^^^^^^^^^

Nothing needs to be repaired, many came that way.

Porting a dual plane intake is t as easy as it may seem. Air and fuel have weight that can be hard to manage inside those runners. Your aforementioned porting could go deeper and just focus on raising the roof and side walls as deep as the bit fits. You’ll be good from there. For the A/C...

Having done the DC mods to a LD-340, I would not do the mods to that intake unless your really cranking up the power with a large cam of at least 248@050 and .575+ lift. If you’re “Going There,” go for it. Otherwise, leave it stock. Go to a RPM instead and then add a spacer for more plenum if...

I currently am running the Summit Autolight/Hollet knock off. They are a very good street carb with nothing wrong with it. IDK how they do for racing and other venues, but on the street, it works great. The jets are in the floor and would require a good bit of angle to uncover. Best part of the...

I hope your past that too. The only time I had a cam and lifter go bad on me was with a Summit brand set up. Well, I can’t blame the Summit set up at all, because I know what I didn’t do and I got what I deserved, it is the only time I’ve had, a cameo flat on me in 35 years. I never understood...

Nice ride. I myself would still look for a more narrow LSA. David Vizard has a formula that works very well and was shown on Engine Masters on the cam experiments they did. The lower LSA mom er provided more torque until the engine can up on the cams intended RPM range. The narrower LSA starts...

No worries Charrlie.

That would be great! Only 2-1/2 hours drive which I do standing on my head. Awesome! Thanks Charrlie

Hey gang; Looking to return a ‘66 Charger to stock. I’m just missing the intake manifold. I’m located in Grant Florida, let me know what a total would be for the 2bbl Poly intake manifold shipped. I don’t know if these are date coded. But that would be a plus, though not necessary.

Hughes is a guy that will get you there because he his a machinist and a specialist because he immerse’s himself in the stuff we do and love. No experience with Elgin. Ahhhh, a been there and done that guy which actually means you know instead of reading forums and parrot others...

I’m not on board with a cam company picking for me and have found 10 phone calls yield 10 different cams from the same big company. Then add in other places. Learn something and go for it!

Not really. It’s an educated guess made with the best info available. All the camshafts that were close to the winner were very similar. I’d say it would be the same here. Pick several of the members that you think can make a good camshaft choice for your engine and test them. You’ll find the...

Nevermind, my bad, thanks for lookin.

Rocker shaft pedestals milled flat for rocker geometry correction adjustments. AKA - Race W2 heads. Harlandsharp, TR & Jesel have rockers.

The difference here is the SM heads you get bare or assembled are garbage out if the box and the ported ones here being discussed are super well thought out from years of experience trail and error. I have spoke with many porters and machine shops about the OOTB SM head and 90+% don’t like it...

Then why did you quote me and add a disclaimer?

My post. Not directed at you.

W5 head, W5 big port M1-tunnel ram

Time to use that grey matter in between your ears a little bit. Figure it out.

Start a new thread on your build ideas.

Oh dear heavens!!!! Did somebody just make sense in a few short words? Common sense even? Without a novel to write it out filled with piles of bullshit? How can this be? Truly a wizard of few words to often ignored for simple and sound advice while others shoot off the mouths and write baffling...

Like the plan! Exactly Bonus move Ugly cam idea, except the split duration which I tend to favor. With the Magnum head with the 1.92 intake valve should see a LSA of 106. Find flow test sheets with the stock Magnum head and realize where the head flows levels out and drops. When I say drop, I...

Season 5 - Episode 16 from Engine Masters. It was on the “COVID 350”. It is a .030 over 350 @ 11.4-1 with AFR ported heads, single plane and a 850. Camshaft is (IIRC) 244@050. The 1-5/8 headers liked the longest set of lengths of the collector extension in which they started out with a Summit...