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NO, cuz the heads aren't closer. They just have smaller combustion chambers is all. All the valve train components are all the same. The physical dimension are all the same other the combustion chamber size and port sizes. Everything else is the same in related to distance. If the cam has .450...

Its gonna act like a 350 cam with 23 less cubic inches. The cam is going to provide the same attributes to a 350 as it would a 327 or any other small block. The valve timing, lift, duration and all remains the same. If you're talking later model OEM cams, you can put a 350 cam in any small...

You can give that up dude. Noone figures me out. I don't allow it.

I'll take a wild guess and only ASSUME the N is on the crank is to designate its Nodular Iron Cast. A bit better than just a cast crank but still not forged. Its what it means in other breeds of GM cranks like Olds 455 for example. I'll let some others chime in on this too, cuz its a long deep...

No, turning a crank is only cleaning up the journals. They will grind off .010, .020, or .030. They will take off little as possible to clean it up. So if they grind of .010 off the mains, and .010 off the rod journals, then its a .010/.010 crank, and you will order your bearings .010 thicker to...

Whud the Fugg you doing over here Dawg??? :pfingers:

Any idea what mods your bud is going to do to the Th350??? I have a feeling you're gonna need a few. Have you by chance considered a glide??? What kind of times you looking at or guestimating???

yes, that is where weight was removed for factory balancing. Which spec is not near what a pro balance job will do. Any motor other than a stocker that I build, spend the money. Take the rotationg assembly and have it balanced. Usually when it gets done pro, they balance to within 1/2 gram...

By the block # you gave me, its a large journal. 62-67 would be a forged crank small journal, 68- up is large journal. 327 large journal and 350 are the same blocks. Use the same con rods too, but as we just discussed pistons are differnat compresion height at the wrist pin even though the bore...

Yeah, I did have to go check myself. Comp Height is differant, so no its not as simple as a crank change.

I don't think so 66N. Don't 327 and 350 have the same compression height on the 5.7 con rod? I think its just a simple crank only swap. In most cases you're right, but I am farily certain, 327 and 350 pistons are one of the rare interchangeables. Both are 4.0 bore OEM, use the same compression...

You mean the motor starts??? Sounds like you got a bit of work to do before its actually RUNNING. So you are running the 327 in it then??? This is obviously a large journal 327 engine??? Why not find a 350 crank and put in this thing. You'll notice a significant horesepower/torque increase. More...

Sup Dawg??? You still hanging at forums somewhere? Send me an email [email protected]. I changed email addys, so make note of the new one. Its just the @ymail.com that changed. I changed ISP's.

Hey Ducky, you doing OK??? Haven't seen you post anything in awhile. So how is that motor swap working out now? Still hanging in there good??? Get in touch dude. My new primary email addy is [email protected].

Think it will rust up??? I know it will !!! Get some paint on it. IF you like that unpainted look, they also sell that color in hi temp. Machines shops use it alot to primary coat heads after a valve job.

That's a whole lotta over analyzing right there. We know there is no substitue for cu in. Although, I am one to sometimes wonder if that isn't t ALWAYS true So that said, all that up there is kinda moot. So if you are asking which motor will be faster. Yep the 454 will.

Theoreticaly yes, the BB should get to its max rpm quicker since its lower if I understand what you are asking. And it has the torque to get their quicker too. But I assume you are talking engines sitting on a stand since weight of vehicle, wind drag, transmission type, stall, gear ratio etc etc...

Many things determine how fast a motor winds out. One of them being stroke, yes. So what do you mean by how fast it winds out? As how fast in the amount of time it gets to max rpm, or the max rpm itself??? Are you asking as to why Small block will turn more rrpm, and big block less?? Stroke is a...

The cc of the head is NOT going to determine when the motor chokes and starts to float valves. That's all decided in the cam and valve train componets. Also 1.94 is the size of the valve, has nothing to do with the cc head volume. Also a double roller chain has nothing to do with compression...

It may not have been decked or heads milled. It could be flat top pistons and a 69 cc head instead of a 76cc head. Don't over guestimate. There are several way to vary compression. And your 63 could be a 8.5 : 1 with tired rings or valve guides too. Look at the whole picture and don't over...

The later 350's are about 8.5 or 9 to 1 compression stock. That's using a dish piston and 76cc heads. Smaller combustion chamber heads raise compression, flat tops without a dish in the piston raises compression, longer stroke raises compression, boring will raise it a tad, milling the head will...

I'm not saying its going to starve for air. Its just physically impossible to cram that much air down the ports. It not going to starve at all, but more air means bigger explosion and more power in the combustion chamber. The ONLY advantage to 305 heads is higher compression and thats really not...

That's nice JeemC. Looks like that came off one of those Medium Duty Top Kick trucks. You need to be putting that biggo honkin steering wheel on your truck. You'll be owning the road with that biggo wheel !!! :rollin:

Over off Shields, like beside or just behind a corner car lot? That would be Gary's Differential and that dude is high priced. He wanted $40 just to install a damn U joint in a driveshaft I was gonna carry in. I said to hell with that. I used my vise and sockets and did it myself for FREE and...

$1250??? Sumbitch???? Axles made of Gold or what??? Tell them steel will be just fine and get it down to about $700 or so, then you'll talk. Dayum !!! Who did you call??? 3.73 would be an awesome gear for that 454. You're not worried about comfort in that truck so for that kind of money, you...