771 horse stock stroke 360 motor, pump gas

Having dealt with 360s in the past, I'll just say, ummmmm...OK. Power adder?

That is a lot of steam for a stock stroke 360, even with the big bore size. It took me a few years to make 750+ hp with my pump gas 470 engine and some people didn't believe those numbers.

Of course, the NASCAR boys make even more power with fewer inches so it just all depends on how good the heads are.

I would love to see an engine masters where they dyno test then put the engine in a car. The power numbers are always impressive but I cant remember hearing of a quick car with one of these engines.

I know there's formulas for this but is 770 hp possible at 7500 rpm with only 378"? I know that much hp is doable at the cu in for sure, I just thought it would be at a higher rpm, have to be some pretty stout volumetric efficiency.

At that lift, the rocker arm is pointing nearly up & down every rotation (this is a function of lever length vs. lift, nothing to do with ratio).
Life expectancy...?

I though the victors moved the shaft away from the valve so you needed a longer rocker on the valve side? Also a longer valve that further compunds the 59* lifter problem and add on top of that the offset? Pretty impressive it dont just cough the PR out under the intake when you crank it over...

I though the victors moved the shaft away from the valve so you needed a longer rocker on the valve side? Also a longer valve that further compunds the 59* lifter problem and add on top of that the offset? Pretty impressive it dont just cough the PR out under the intake when you crank it over...

There’s another thread going now with the Victors on a Ritter 59* block that they’re turning higher than 7500.

Pretty sure he had Jessle make him a set of custom rockers for that one. I’m sure all the info isn’t out there on this dyno Queen yet.

I know there's formulas for this but is 770 hp possible at 7500 rpm with only 378"? I know that much hp is doable at the cu in for sure, I just thought it would be at a higher rpm, have to be some pretty stout volumetric efficiency.

125% @ 350 CFM will get you there

I'd like to see how close that 2.175 Intake valve is to the cylinder wall..

I'm curious to find out how the bottom end is put together to handle/support that HP.

I'm curious to find out how the bottom end is put together to handle/support that HP.

Very impressive, I understand about some of the comp. engines mentioned now doing well in other rides, but I kinda think this might be pushing the envelope for longevity with a production block but then again over time it was said a oem block was only good to 500, then 500, then six.

Do you know what crank they are using?

I hope the best in the competition, do you know what some of the "Other" brand entries consist of?

I wonder how many sets of victor heads have sold? For so long it was "we cant get a good cylinder head" and now the price dont seem to be too bad.

Just talked to Jack..... little more info he doesnt mind me sharing.

Told me he made a plate for the front of the timimg cover where he can pop off the water pump and move cam in not much more than ten minutes. Said the motor is ultra sensitive to cam timing. Currently has it advanced 4 degrees, makes 750 this way but good bit more torque. Couple degrees can make or take 20 horsepower

Just talked to Jack..... little more info he doesnt mind me sharing.

Bullet cam. He consulted with Tony at BES regards it. One of Tony’s former guys, John Lohone( sp) now works for Jack and will make the trip down with him. One time Nascar engine builder
He said the valves clear with a ton of room. Very well centered in the bore, a big positive for the heads. Said they would clear a stock bore
That Holley manifold was indeed only made for W2. He has about 40 hours converting it from oval to square. Tons of work involved there. I had thought they must have offered it in a standard head form at one time, but just W2
Using cyro treated Hughes rockers. Really likes them.
Told me he made a plate for the front of the timimg cover where he can pop off the water pump and move cam in not much more than ten minutes. Said the motor is ultra sensitive to cam timing. Currently has it advanced 4 degrees, makes 750 this way but good bit more torque. Couple degrees can make or take 20 horsepower
Is likely to move it around down in Charlotte.
Said it will break 800 horse spinning it to 8k. Some very trick oiling mods. Had it on Bischoffs dyno recently and Tony told him it had the capability to win the competition. Was very impressed.

I been saying it for years... a magnum block has more meat where it is needed and is at least harder if not stronger iron as well as more consistant castings. I even posted pictures and nobody seems to care, now I cant post pics anymore so you would have to look back a couple years in my old posts.

Yeah, every bit of 40 hours to get a Pro Dominator square. Usually takes some welding too.

You can still post pics.. your just doing it
wrong.. after you make your post just click on
file management then click on browse.. on your
computer find your pic.. then add the pic..
then hit add then finish it off like you normally
would by hitting submit... very simple but doing it
this way I have all my pics on MY computer first

I just stopped by the machine shop to check my new 318 build. They are building a stock block 340 that will make 700 + with Pro Charger. Pro Gram 4 bolt main caps and the outer bolts are re-positioned at an angle to pick up more meat in the block. This really saves on buying an X or R block.

This really saves on buying an X or R block.

People should not confuse themselves into thinking a oem block can even come close to what a X or R is or can take.

The main webs, the filled inner pan rails, the thicker decks, cylinder wall thickness. The nickle content.

From side by side on a stand compassion to parts attrition on freshen up its all easily spotted.

The main reason we see x or r blocks in these times that cant go 4.100 safe is because they are seconds from the days when they were easy to get and were set aside from core shift as culls.


Absolutely. There isn't a production block out there, other than a T/A block that should be considered for serious power. The main line will flex like jack the bear so you need to run looser main clearances, the decks are too damn thin for boost (IMHO) and putting 4 bolt caps on ANY production block is a desperate act. In fact, I won't do it. There isn't enough material there, even if you use a 5/16 bolt and it's offset. Isn't worth it as the support isn't there.

AFAIK there is ZERO difference in the cast iron used between LA blocks and magnum blocks. They hone the exact same. They are both harder than a Ford and significantly harder than a Chevy, but they ain't an X or an R block and you'd know it as soon as you hone one.

Other than lack of availability there is no reason to use a production block in a serious power application unless you just can't get something.

I’m sure all the info isn’t out there on this dyno Queen yet.

Any idea what the valve stems Dia is ?

very impressive for sure but it states 100 octane like one other person stated earlier. i don't know what pump that's from. just saying. my thought would be 93 octane at best if pump gas is the claim. excluding e85.

Did it make 771 on pump 93 or 100 race gas?

Use studs, add bolts, whatever. When what you are bolting it to is flimsy, the benefit is limited. When the mating surfaces are fretted, the caps are dancing around.

Dont know.
No matter the case, hell of an achievment by the builder. And like he said, it makes over 800 if he runs it 8,000.
The contest is from 4 to 7500 rpm. Certain limitations cause it was built to suit the rules.

While i do agree,i also believe a whole lot of times the main isue with maincaps tapdancing in the block comes from detonation and not neccesarily from just to much power,same with most smallblocks that end up pushing a headgasket,sure the 4headbolts per cylinder may not be genius when making big power but the limit for how much compression you can run before pushing a headgasket gets much lower if you also have a problem with detonation,and detonation that starts creating isues is present long before we hear it and it gets catastrophic as in destroyed pistons.

I been saying it for years... a magnum block has more meat where it is needed and is at least harder if not stronger iron as well as more consistant castings. I even posted pictures and nobody seems to care, now I cant post pics anymore so you would have to look back a couple years in my old posts.

I think a lot of guys miss the point of the competetion, it is a contest for engine builders that eliminates the variability of a car, track, driver, all that stuff just to see who knows how to make the most power.

Another way to do it would be use one car and swap everyones engine in it over the course of a few days but conditions could change a lot over the course of a day so even that might not be fair so the dyno competetion seems the best way to compare engine builders to engine builders.

You could also have another contest for car builders, use say 10 of the exact same engines and have car builders build a car to see who can make the fastest car with the same engine.

The engine masters contest is to have a competetion between engine builders plain and simple. Who can make the most power witin given parameters. It compares one aspect of what makes good cars. If you want to see how entire cars compare then go to a race track any weekend and watch em. All the belly aching about "well I dont think thats going to be fast in a real car" is pointless, totally misses the point of the contest. I dont get why thats so hard to comprehend.

Gonna call tomorrow and hopefully find out. Pulls are Thursday

Thanks. I'd love to watch it if I can.

I don’t see any “general discussion” forum over there.

Any updates?

General discussion section has some results already posted.
Go to racer forum. Then general discussion is all the way at the bottom
Looks like 408 W2 motor made 634.

Jack only made 737 today. Feel bad for them
But great job!!

Still love to see what it would do in a 2800 pound sorted out race car.

I have real interest in this competition. First of all, all that is just stupid power for a tiny cube pump motor.

The sbf hemi was being dynoed at a friends ford shop in tucker ga, Engine Systems. Sounded like a cup motor going down the straight at daytona.

Also I just bought a C3H headed 360" sbf built by Ernie Elliott, with heads by the best in the cup world, Kent Ford. Only bought it because it was a screaming deal. Pump gas, all new components and never ran, and Ernie said it would make between 725, and 750. Which sounded overly optimistic to me, but after seeing this, who knows. I'm going to pick it up and dyno it next week.

I've never really had interest in small blocks, but I'm starting to look lol.

Darren, a ford. Are you going over to the dark side? Don't let those Tucker boys steer ya wrong.