Due to its small bore, the 366 is best avoided. Its forged crank is the same as the forged 427 crank. The rods are your basic 3/8" truck rods.

Since they were designed to chug along at low RPM, we could consider the tall-deck big blocks as being Chevy's "Harley" engines.

They're great for building a high-torque, long-rod stroker, though. Tall-deck blocks are sought after for racing at Bonneville, and more than a few of them can be found in nine-second drag cars. Lots of aftermarket blocks are available with the same 10.2-inch (.400" over standard) deck height as these blocks.

Here's a picture of the rat I've been building that's based on a 427 tall-deck truck block:



This shot shows two things that are unique to tall-deck blocks, making them easy to spot. First is the raised, tube-shaped area on the front of the block at the top. Second is the increased distance from the upper water pump mounting holes to the deck surface.

There's a page about this polished rat at http://www.roadsters.com/power/

Dave Mann
(602) 233-8400
http://www.roadsters.com/  

NaughtyDodge04:
Ya itsa shame that the fartcan crowd can get 2-300 horses from a 1.5,to 2.5 litre engine ,using all the tricks and tech out there, and we can get 425 out of a zz383, only. see what ime getting at? at 1.5 litres and say 200 horses on a good day,and natraly aspirated. so and engine at round 6.3 litres 4 times as big,should be running at 800 horses-no excuse. so dont knock the fart crowd for one thing ,their doing what american hot rodders are not,think what would happen if honda came out with a 6.0 litre engine,i imagine it would eat the lunch of every american v8 out there.
look at nissan, the skyline 6 a strait 6- can go over a thousand horses,honda 4's are pushing a thousand horses, no ime not gonna talk about stratospheric rpm factor,coz american "musclecars"did it too,6-7 7500 rpm big blocks only making 500 or so horses,except the hemi it made 800! ZL1 LS6 LT5 4 cam vett motor,all high rpm.
so get out there and make a 10,000 rpm small block with a turbo,running some boost comparable to what a honda rod  would do.and then you'll have some bragging rights
Yes it would cost round a 1500 dollars per thousand rpm,but what price glory?
and if your lucky and win the lotto,go big,build a zz572/620 and boost the wee out of it with twin turbos,and 10,000 rpm
that... would be the ultimate american rod motor.but it wont be done ,ever,coz the 350 ci engine is the bestest most awsumest engine in the history of the universe,and theres no room for any other,or at least if you read any american motor sports related magazine.
ps. the little chevy camaro's and that stupid that thought he could take me off the line,ina vette,gainst my 4x4 ram, sorry buddys,its all about traction, thats why u got spanked by the big bad HEMI dodge this!

You need to stop reading Super Slow, and Trash Tuner Magazines. Look at the newest Ligenfelter Vette. It has well over 1100 HP. On pump gas and street driven, at that. Honda comes out with a 6.0 Liter, and they'll just call it a Chevy, as GM has controlling intrest in Honda, Isuzu, Saab, Acura(Honda Premium Line), and Susuki. I think you need to really wake up and look at some interchange informationon engines as well. The 1990 Beretta GTZ model had 190 HP naturally aspirated 2.3 L in line four cylinder, developed by OLDSMOBILE Motors Division, where were the 300 HP farts cans then? You want to know why Americans use 425 HP OHV V-8's? They get the job done. American automakers SET the standard in performance. Have you ever heard of the Mustang SVT Cobra?? 4.6 L SOHC V-8. with 2 valves per cylinder. It lays down, what, 390 HP stock, and how many race guys have gotten that engine well into 600-700 range? What was his name?? Was it Steve Saleen? Oh and how about Rausch Racing??? Seriously. Your fart canned friends get the ridicule they deserve. Look at laws of physics. V-style engines operate more efficieintly, as the piston doesn't fight the force of gravity as much. Inline engines have to work harder to fight gravity in the cylinders. Look at NASCAR, they still use CARBURETORS!!!!!!. Let's see an SRT-4 Neon compete against Earnhardt Jr. Back to physics. When a vehicle movesin a 'forward' direction, the center of gravity shifts to the rear of the vehicle. With a RWD and even some AWD set-ups this puts wieght on the DRIVE tires, and reduces drag on the non-drive wheels. A Neon SRT-4 will work less efficiently accelerating, than a Mustang, a Corvette, or even a Dodge Ram with the V-10 Viper engine. The wieght will shift to the real wheels, which are the drag wheels. Tell your buddies to stop driving around like they have stolen vehicles. The Fast and the Fake movies are done in terms of production. God I wouldn't be surprised if my Malibu, with it's shabby 267, could lay down more Front Wheel HP, than some os those cars. I also know that it is impossible for me to transfer power to my front wheels, in a RWD vehicle.

Lastly as I have seen comments about reciportaing mass, ok 4 cylinders have less reiporating mass, just like an ultra-light flywheel, will allow the engine to rev up faster. As laws of inertia have proven, this mean that negatives forces, as friction, downforce, inclines in the road, and weight of the vehicle, will cause the engine to lose revs just as fast. With the narrow powerbands that 4 cylinders have, this can cause the engine to drop out of it'suseful powerband, and begin bogging down the engine. This is why your SRT-4 Neons have a 5 spd. They need narrow gear ratio to keep the engine in is useful powerband during shifts. A heavy V-8 crank, and flywheel, may weigh more initailly, but once you get them going, it takes more negative forces to stop them. V-8's also tend to have extremly wide powerbands, allowing for less gears and wider gear ratio. In Drag Racing it is about consistency, not who is the fastest. I'll take my 267, with it's inefficient THM-350, that is consistent, over my 92 Honda Accord. The Accord probably runs a faster qtr mile time, it has 5 gears, but how consistent is it gonna run? Am I going to be able to shift, at EXACTLY the same RPM, and use the SAME amount of time to shift? No it isn't possible, and that is the difference between winning and losing.  

I was looking at some figures for flow. some of the aftermarket heads dont even flow as much. some BBC heads will only flow295 cfm,granted these are non ported heads, but ive seen some edelbrock e-tec heads that flow 200 cfm.some of the ford heads 9READ HIGH DOLLAR) flow as much.so. say a honda with such a head makes 300 horses un blown, a V8 of say..3.2 liters(1.6 x 2) thats 600 duh! horses granted your spinning the wee out of it, but at the end of the strip,horses are horses! its all about the horses,er torque specifically and its management that gets you down the road right?
so no matter what name is on the cover, if ya can get more horses then more power to ya! imagine back in the day when horses began to be important to someone in detroit, all the other know it alls poo poo'ed the idea of hot rodding their engines, why would you do that? they would ask..
Be cause its there..would be the answer.
so when a few individuals think thier ideas are all there is and right, the other car crafters will go right on , no matter what brand and make, and do what make them happy!
look at the 8 horsppower per C/I limits the gentleman tells of.say we had a 3.8 G/N motor.that woud give ya 1800 plus horses  A modern Hemi at 343 ci would give ya 2700 plus horses, it would probably frag hard at that level, again horses are horses where ya find them, and if you can be more efficient hey, more power to ya!
300 cfm..hmm and a victor jr head that only flows60 cfm more...a big block head that is made for a 500 plus cubic inch engine.65 cfm...hmmmm  

NaughtyDodge04:
I was looking at some figures for flow. some of the aftermarket heads dont even flow as much. some BBC heads will only flow295 cfm,granted these are non ported heads, but ive seen some edelbrock e-tec heads that flow 200 cfm.some of the ford heads 9READ HIGH DOLLAR) flow as much.so. say a honda with such a head makes 300 horses un blown, a V8 of say..3.2 liters(1.6 x 2) thats 600 duh! horses granted your spinning the wee out of it, but at the end of the strip,horses are horses! its all about the horses,er torque specifically and its management that gets you down the road right?
so no matter what name is on the cover, if ya can get more horses then more power to ya! imagine back in the day when horses began to be important to someone in detroit, all the other know it alls poo poo'ed the idea of hot rodding their engines, why would you do that? they would ask..
Be cause its there..would be the answer.
so when a few individuals think thier ideas are all there is and right, the other car crafters will go right on , no matter what brand and make, and do what make them happy!
look at the 8 horsppower per C/I limits the gentleman tells of.say we had a 3.8 G/N motor.that woud give ya 1800 plus horses  A modern Hemi at 343 ci would give ya 2700 plus horses, it would probably frag hard at that level, again horses are horses where ya find them, and if you can be more efficient hey, more power to ya!
300 cfm..hmm and a victor jr head that only flows60 cfm more...a big block head that is made for a 500 plus cubic inch engine.65 cfm...hmmmm

One you need to learn what punctuation is. Two, Figures to figures, Horses to Horses, as engine speed increases, engine torque decreases. A Chevy 350 with 300 HP at 5000 RPM will have higher AVERAGE Torque and HorsePower(can't have one without the other), than you 300 HP 1.6L at 7500 RPM. Any builder will tell you there is NO replacement for DISPLACEMENT. Your 1.6L Honda will have more CFM with 4 valves per cylinder, but the amount of torque throughout the RPM range will be signifagantly lower than a 350. So you can say heads flow bad, and it doesn't matter. Those non-flowing heads seem to put MORE air and FUEL into the cyliders, rather than flowing through one valve and out the other from 7000 RPM's to make the same amount of HP of a V-8 at 5000 RPM. Now where is thet difference? I'm glad you asked that. The difference is Torque, the twisting force of the flywheel on the input shaft of the transmission. 300 HP at 5000 RPM = 315 lbs.-ft. of torque to overcome downforce, veichle weight, tire resistence, and gravity. 300 HP(same amount of work) at 7000 RPM = 225 lbs.-ft. of Torque(Less power) to overcome the same forces. In retrospec, the car with the 300 HP V-8, with it poorly flowing heads, and inefficient NA tuning with a carburetor, will still smoke the State of the Art Honda 1.6L with VTECH timing, SFI, performance chip, etc, off the line and through the end of the track, from more consistent acceleration.

Last year about this time, I read a diesel tuner magazine. Thgey purchased a Chevy 2500 series gasoline truck, and the diesel version. The gas engine was rated for 360 HP and 375 lbs.-ft. of torque, both between 4000-6000 RPM. The diesel produced 360 HP at 2300 RPM, and 660 lbs-ft of torque. The diesel truck beat the gasoline version by over 2 seconds in a standing qtr. mile. So this displaces your theory of Horses being Horses at the end of the track.

Oh and at 2300 RPM, I doubt that the velocity of the air was fast enough to promote a high CFM of flow through the factory heads, however the cylinder filled completely with fuel and air, compressed and burned better. Hence more power(Torque).

The fart can crowd can have 8HP per cubic inch. Wow that just means there gonna blow their engine faster. When they can find a 4 banger that can run 8 seconds, without NOS, and has 8+ lbs.-ft. of torque per cubic inch. Then I'll respect them.

Oh and by the way, American's have been achieving ove 100 HP/torque per cubic inch since like the 50's, oh and they were doing it with the chevy 502(8.3L).  

I never once critisized your or your intelligence.2. I could care less about punctuation.3. who are you to be critisizing anyone?
Now all i am trying to do is be ionclusive i practice the politics of inclusion.YOU DONT.
so the next time you want to go off on a person.. think about who is going to be reading your post, who is going to come away with a bad impression of the quality of the character of the so called community here, I just thought that everyone was welcome here who was seeking to enlarge their knowledge, who want to be a part of something bigger, not a pissing contest of whose engine is bigger and better. I could care less if honda has a 1000 horse engine, its about the people who make up the sport and who participate. The direction your point at is one where you have to drive and act a certain way toward another, thats a prejudicial way of looking at things. No your not prejudiced.
So where does that leave us?
I feel for the little guy who just wants to learn more about crafting his car into some thing better, and looks at some posts and thinks, this may not be the place for me. not everyone has a musclecar but that dont mean they wont gety one, in the mean time they drive and improve what they've got. peace  

we have some interesting reading here folks...



alan  

Damn, I missed an argument...  

they'll be back...off topic but interesting....



later  

1000hp supras are damn fast but you know why there slower then a 1000hp chevy? they don't produce the same torque takes them longer to get in there usable rpm range and once there at that range they have to shift more to stay there, which in turn slows down there et id rather only loose time shifting 3 times with a 4 speed then 5 times with the supra getrag 6 speed. dont get me wrong i love imports there small light engines and lighter bodys are great for technical courses but you cant beat american muscle when it comes to draging. actualy if you look at alot of old 240 and 280z's alot of people put ford 302s in them sense being only 4 cylinders long instead of 6 the weight is all behind the front wheels it actualy made them faster and better handling and whoever mentioned the fast and furious movies thanks they ruined a great car when they put that sr20det in the mustang, ok im done with my thread jack sorry guys just thought it would be nice having someone to tell this to who wont chastise me for saying americans better  

What in the hell?

Why did you come into this thread to announce to everyone that you have no clue what you're talking about?

Newsflash, but a 1000 Hp Supra can be just as fast if not faster than a 1000 Hp Chevy ride - usually because the Supra will make this kind of power with significantly less weight than a stone age "chevy." But we're generalizing this WAY too much.

You obviously don't know too much about physics but power is power, torque is irrelevant unless given with a rotation speed (RPM).  

Howdy Yall, I guess my $0.02 worth ain't gonna hurt. Growing up a farm and ranch hand of a ASE Certified GM Mechanic and Modified Stockcar and Drag Racer I've seen more than my share of Tall Deck Big Block Chevys everywhere from the 2ton grain trucks to tire burning neck snappers at the strip. My personal current project is a '68 366 out of a 2ton (#399293),  because I personally know the brute "LOW END" torque that these Papa Rats produce ! After doing my math this $75.00 low mile motor is exactly what I need for my 1ton farm/work pick-up truck that never turns over 3500RPM or 55MPH and averages 30-45MPH pulling or hauling 3-10tons, and if it doesn't work out I didn't loose much. The motor I put the most miles on was 1979 C70 366/650spread-bore Holley with a Clark 282/5spd and 2spd third-member, at first I hated it and intended to blow it up so we could put a higher RPM 454 in it's place, being in my early 20s I wanted it to jump off the line and get up to speed like my pick-up with 454 did. But after some schooling from an old Cowboy that had hauled plenty of cattle through the hill country. I learned to drive a 366 the way it was designed to be, slow and easy, and ended up putting over 250,000 miles on that old truck and getting as good as 11MPG. With todays technology my new project will get a turbo and alcohol injection and with  Mr. Bank's math I should be able to almost double my 235hp@4000rpm and 345lb-ft@2600rpm at 29.92 barometric pressure of mercury and 60 degree Fahrenheit at 10% humidity; even if I don't add more than 10%  the 379.5 lb-ft is plenty for what I have planned for a 366 cu. in. 3.9375 bore/ 3.76 stroke, 8.0 to 1 compression ratio, 883 lb. dry weight  $75.00 motor experiment !!!  

What is the turbo and alcohol injection kit gonna run you? You could alway overbore your cylinder too. .030" over would hurt it too much, and it would put you closer to the 4" bore that alot of people swear by. But hey for 75 bucks, if you get 4000 miles out of it, you got your moneys worth. I had to pay 300 for my 283.  

Yes sir, I did. The hard part was not getting it in there...that just took hours and hours of grinding and test fitting, then fixing our screw up. It was making everything clear once it was in there that went from hours to days of work. My brother had three sets of Can-Am rods at one time. We used a set of those rods and a custom made piston. If my mind is clicking correctly we had to drop that block height down some amount to accomodate/meet the set up we had. The rich people were just buying the ZL1 Can-Am blocks from the GM hot rod shops. They only put the ZL1 engines in cars in 69, but several years in the 70's we could snag a part or two that was available OTC. They weighed about 130 pounds or so less than the 427 tall deck and supported larger bore up to around 4.5 inch, but we were stuck with the heavy tall deck and picking our race buddies minds. I think I remember someone pretty famous putting something simular in a Chevy Vega and naming the car "Good Timing". Maybe around 69 or 70 he reached the 8 or 9 second range with it. Not too bad for the 60's uh? The last one I built was .100 overbore with the severe duty 427 CID 3.76 stroke crank, 6.685 Crower rod, 4.88-1 gears and a 4-spd. Nasty little creature, on a very small budget unlike so many I had built in the past.