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The W2 has a large, go nowhere hole there. Not a heat crossover by my sets.

Still no picture Double check your post before leaving. Take a screenshot and then try again.

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Then don’t swap the Holley intake. Use a dual plane. Factory iron or a Performer.

They don’t have to be expensive just give repeatable results.

Oh dear lord just answer the question AJ. Yes you can swap heads, it’ll run, may ping, if so, reduce timing and/or use the next grade up octane until knock disappears. Fix the 360 head and swap heads to keep it balanced.

The bottom line is yes. Later on, get the 360 head fixed.

Bingo Double bingo I agree that is the best route. If the engine needs to be bored out, replacement pistons are the cheapest route. More compression is a low return on power output. Triple bingo If the OP wants more power, there’s cheap and expensive. This should be in your sig...

Sounds like a good plan. IDK if the OD trans is a good route to travel. The first gear is a blast. You’ll have to rev it up a little more for that RPM drop into second. Third is a normal shift and OD is for the Hwy. If you really want it, then do it. It should change the 3.73’s to a 2.60 - ish...

I’ll be a bummer and tell you what you’ll experience. Loss of low end torque A gain in high rpm HP Camshaft dependent, the two intakes will balance out around the same rpm area of approximately 4000/4500 You’ll pick up a usable 500 rpm up top and hang onto the power to 5500. To make the most...

Naaawwww, he is in the street. RRR nailed it. .750 roller and a Dominator up top the Sup Victor. :rofl:

Are heads are just the aluminum castings. Most often, they will need valves, springs, locks and retainers. A valve job is often done on the head but may need to be adjusted but certainly checked for your valves and needs. The head will have valve guides installed. The step below is a ”Raw Head”...

Screw them :rofl:

OP, find more power and n a good 4bbl carb and intake. For the heads & what you’re doing with them, any enhancement is going to be pricey with a low return - but just a bowl porting is a good step. Better if you use the 1.88/1.60 - 360 valves. Also work on your exhaust.

2.02 + 1.60 = 3.62 is a 3.91 stock sized bore. They fit and work. Valve shrouding should be avoided however even the factory offerings across the board don’t worry about valve shrouding. It is just not that big of an issue and means near nothing in an everyday street car. Worrying about it is...

Let the machinist decide if it needs it or not. The conditions of the cylinder will be determined then. The machinist will probably opt for a .030. I like the cam. Increasing duration moves the power band upwards. If you like how it performs now, keep the cam. No. You can if you want but it’s...

No! This is a restrictive mileage seeking intake. Yes! These are manifolds that free up air flow and allow more power easily.

Any factory iron 4bbl is a very good intake. You can save some weight with an Edelbrock Performer. The small displacement engine can use a 500cfm Edelbrock. A 600 isn’t to large ether. I would use the AVS II style carb.

That’s it right there. IMO, while it won’t really add any meaningful power to the daily driver, the race engine will have a small benefit to it. It asked for my last engine to be bored and honed with a torque plate since it’s slated to be a race engine. It makes sense here. Exactly. I had to...

I edited my first post… Love his drawl.

It’s also in the wear of the piston and cylinder. How it looks at the refresh time. This guy I have seen before and he knows what he is doing first off and second off, who ever that idiot who she is talking about is a first class *** clown that should t be allowed to have a computer, much less...

I met a guy a long ways back an had a 273 he’d rave about. So we challenged him. And put my 360 on the “L” column. Yep! Got whooped! By a Bad *** 273.

That was the later years no doubt. The 340 cam was also used in HP 360’s. Not all 360-4 engines got the 340 cam. (Cali- standards for emissions were also higher thereby reducing HP further.) Nice! You bet! Read on below. I never tried the difference comparison. But this is essentially what...

Actually not to bad considering all of the imposed emissions on it and reduced compression ratio. A lot of people trans it but it’s nothing that an ether a piston replacement can’t fix (super hard back in the day) or a head milling can’t fix. Even though that would require a big cut on the...

Nice additional info. That helps a lot. Try the LD-340!

The fellas are on target there. We are missing a bit of information. Here is what I’m looking for; Camshaft duration @050 Car Weight Gear ratio & tire size

I’ll speak up and throw my 2 cents in. Pittsburghracer is a stand up, honest and trustworthy guy in my book who does excellent work. He is so worth YOUR time.

Sorry, MM is a strange thing to me. Send this, your post if not a link to the post message to Mancini racing. The pictures may hasten the process.

AJ & AbodyJoe nailed it. You’ll just have to measure it up with a string/rope or cut up belt. That’s what I had to do with my mixed bag of crap. Also custom cut spacers.

Oh I like that. Nice, very nice set up. I like the 4.10’s a/a 28” tire. Below is an old NOS Crane cam I picked up from FABO a while back that’s getting set into action. I’d have suggest this, but Crane is gone and the cam can only be copied. This works well in a hot rod street car. IMO, it’s...