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Pro Line 481X vs. Hemi
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- čas přidán 15. 08. 2024
- Watch as @Proline-Racing-Engines owners Eric Dillard and Doug Patton compare the many features of both the PLR 481X and PLR Hemi, discussing the pros and cons of each engine to suit a 'real-life' customer inquiry to match their racing objectives.
Our customer's racing goals are our number one priority.
![Proline Racing's 5200HP Hemi V8 | Secrets Revealed [TECH TALK]](http://i.ytimg.com/vi/SIapQkyjQfg/mqdefault.jpg)
![Proline Racing's 5200HP Hemi V8 | Secrets Revealed [TECH TALK]](/img/tr.png)
The Mighty Hemi.
Still kicking butt after all these years!
Well this is billet so kinda different.
This may be the most educational video on CZcams . Excellent work guys!
Super delivery 🙌🏼 top marks for sharing this real world perspective 🍺
I'll take one of each, please.
Both blocks are absolutely beautiful. Flawlessly machined.
I was happy with my recent 9.89 @139 a few weeks ago, then I watched this video.
Still be happy. Its a start shit my car is still stock with the a.c. ripped off lol
9:89 sounds like you're kicking ass to me.
@@jiveturkey9993 Its alright. But these engines on display here, are definitely next level. Were talking knee deep into 4 digit power. Would love to experience a full tilt hit, with something powered by one of these.
Awesome! It's amazing what you guys have accomplished!!! A long way from our days working on cars in mountain park.
MOPAR GUYS always love THE HEMI, since it is THE KING...and the most beloved engine in the world.
It’s not even a dodge thing they’re just talking about the heads of the engine many many engines use hemi heads you dodge guys are brain dead
@@CoyoteFTW it is most certainly a Chrysler thing, it's a Chrysler design, brain dead, they even say that lol
@@The_Turbo_Charged - hemi is NOT a Chrysler design fanboy
@@CoyoteFTW ..No, but Chrysler had the Hemi in the 1940's in their Airplane engines(prototype) war ended so they shut the program for future plane engine..They designed a car engine and used the Hemi heads and in 1951 the Chrysler Hemi car engine was born and it ruled the drag strip since!
Other companies had hemispherical heads even some 4 cyl engines .Chrysler registered and made the HEMI name synonymous with them.
NHRA today everyone uses a Chrysler HEMI based on the 1960's Mopar Big Block 426 HEMI...Chrysler even had a Wedge 426!! Today Ford,GM,Toyota in Drag Racing all use the Chrysler HEMI,yes built by aftermarket companies but you cant say its a Chevy or Ford or Toyota engine,its a Chrysler HEMI...I know that troubles a lot of people,quickest Chevrolet,Fords,Toyota's are basically Chrysler Powered!
Here to see what may potentially be going into Cleets new custom chassis racecar as he moves on from mullet
WOW!! What a great video. You in include street out laws, RVW, and NHRA. Lots of information.!
A lot has changed since this video came out. 2 years ago the go to for the Street Outlaw guys was the 481-x but now it seems a lot have switched Prichard Hemi.
thanks for the breakdown boys. excellent video!
These engines are insane. 😳
The LS’s nice but real deal is the Hemi all day tried and proven add proline in and done deal. Amazing machines guys keep killin the game.
The welding on the ribs in the lifter valley is perfect. I've never seen that on an engine block. Looks like Tig bead, but its flawless.
I just got home from PRI I wish I could post pictures of how bad ass the proline procharged AJPE hemi stuff is!! Red had mafia changes the game REGULARLY 💪🏼😎
The ax man cometh and kicked everyone’s ass a few years back with their hemi and procharger. Fast forward to 2022….
Yeah he did!
What alloy aluminum are they made from and roughly how many CNC machine hours does it take to whittle one of these finished blocks from a billet?
Like Big Chief said about the Hemi powered Vixen.. "He can do 200 in the eighth mile while I can only do 186...But I can do 186 real quick"...
joe cucch - Big Chief isn’t running a 481X. He is running a real Pontiac 455. But I suppose the comparison is similar.
@Dan Myers; Yes he is running a wedge head like the 481 X so the similarity is there.
Vixen split a collector in that race and was down almost half it's boost. Chief can't sniff Vixen with both on a clean pass, either in ET, or MPH.
@ geneticrex; Losers always have a reason...
LOL.....That came from the crew chief of another competitor I happen to know.. NOT VIXEN.
You may not like the reason, but it IS the reason. Vixen is a 5 second 1/4 mile car. Any car in competition can win a race, but in a clean run, with both cars leaving on time, as good as his car runs, Chief has nothing for the top cars in no prep.
I ain't even a mechanic but I love watching these videos lol
I will never be able to afford one those, so why am I Watching this?
@Dave Franklin so you have a spare 50 large laying around?
@Dave Franklin sorry but I am in the telecommunications industry and I don't go hungry nor do I brag about it troll.
@@garymckee8857 You need to ask yourself why your watching this rather than blurting out somebody is a troll. Watching something but saying you can't afford that is passive aggressive. There is far too much of that going on in Western Culture. If you want to buy a ProLine engine you can. The question is will you make the investment back if you do so. If you believe you will, there is more ways than just plunking down $50,000 cash (not including turbos/supercharger, ignition system, fuel system and engine control system. Nevermind dyno testing, chassis dyno testing and track testing. Not willing to commit? Stay in the wading pool.
Why so serious? I think things got lost in translation right out of the gate. I took it as a joke and that's it. Didn't try to read into it at all. It's just a comment on CZcams for Pete's sake. 🤣
Felt but it’s good to stay updated on what ppl are running, when I talk racing weather it’s street, strip, pro, funny. It’s good to know and to learn
Great video, have been curious about this same topic for a long time.
What bore spacings and bores sizes can the 481x accommodate safely with fire ring grooves ?
So much for Street Outlaws going with 481X over the HEMI. 😂
481X’s on the street... F yeah! 😎🤘
SemI hemi chevy...you see mark woodruff bright yellow vette on the fuletach dyno? Man thats just stupid but $$$$$$
mrhazel, Yeah that car is unreal. 👍🏻
Cool decision making insights, thanks for sharing
Laughed when you talked about most of the street outlaws guys running the 481X over the hemi. Obviously this video is a year old. One year later and lots of the SO guys are switching over to the hemi with a Procharger. List includes Daddy Dave, Ryan Martin, Axeman. Even JJ DaBoss is running the combo in a car he purchased from Axeman.
BTW, less torque is a big advantage in a No Prep car. Makes the car way more tunable.
@@danmyers9372 most of them did it for weight in npk.
@@Brandon_093 - Yep, another big advantage for sure.
@@danmyers9372 The Hemi has less low end torque than the 481X but since most On Street Outlaws that use the Hemi are either Procharged or some kind of supercharger that brings the low end torque back. The 481X is mostly seen with turbos on Street Outlaws and since it has better low end torque it helps make up where the turbos are lacking which is on the low end.
What’s your thoughts about 481-X in tractor pulling with 14-71. Boost, tq, rpm?
RVW they already ran 3.55 in qualifying and side by side and 3.58 "s in the finals ...
But more related to the video what kind of combos are doing it constantly?
Dont care what ANYBODY SAYS NOTHING BEATS A HEMI
i always am amused when i see serious fiberglass bodied "chevy" cars at a drag race event and always the most serious ones have full tilt race engines based on hemi architecture.
as long as it's not dodge making it!!! good thing these guys are around to make the design reliable. I've seen several vids of guys with NO2 and a pulley swap on their hellcats start pushing to or past the 1000 hp mark, and boom. they usually loose to a built coyote or LS too before the hemi goes pop lmao
So cool. Please keep doing these type of videos
We can't afford it but we're motor Freaks and we can dig it.
The really crazy thing for all you Lotto dollar winner who buy ProLine motors maybe some of you can remember back when a guy named Spiro Pappas ran his steel body steel cowl 69 Camaro with his 430 inch Big block from Fast Times with one Turbo to a 6.72 218 MPH 1/4 mile rolling on a 10.5 tire and did that round after round with Billet nothing and 1/10 the budget .. So while all that Bling is real pretty .. it's really just Bling for guys with more cash than ability ..sorry but I've seen this so many times before ...
I grew up old school. I remember the tech that was around in the 60s and moving forward. Back then 400 to 600hp was fairly easy to obtain but 800-1000hp was not . When 1000hp started showing it was big dollars and it still is. It’s the old saying “ hp dosent come cheap and if you want to play you have to pay. I’m a big of old school engines, old school tech but the simple fact is that the tech that’s out there now for making big HP absolutely burys old school across the board and on top of it ,it’s reliable kinda of sorta. For example, look at the power and reliability that’s out there now, dodge,ford, GM are all offering engines capable of making 700- 800hp easily and they are offering 3 year warranties. I agree with what your saying , I understand the argument and as hard as it is to admit it, new tech ain’t no different than old tech when it comes to dollars, you get what you pay for and the stuff that is out there absolutely puts old school tech to sleep. I’m just sayin…
@Rick Johnson 1000 hp is nothing these days and certainly doesn't take big bucks to achieve. I'm also old school to the point that as 12 year old, I got to work with Dick Landy in his pit fetching tools back when those cars were running times that are considered slow by today's standards. No one could've imagined that we'd have cars with air conditioning running sub 10 second 1/4 mile times.
Could either of these be used for freeway pulls?
Can this engine fit right on my honda civic?
YES, TRUE TO EVERYTHING YOU GUYS SAID..... EXEPT ONE MORE THING
THE HEMI STAYS TOGETHER AND WILL TAKE MORE PUNISHMENT
Big boy toys puts me in my place makes me realize I haven't grown up yet
Is it just me or does the main narrator look like he could be Jeff Lutz son
Doug reminds me of Tim McAmis a bit
One question nobody ever asked for answers is what does 481 actually mean what are the nominal bore sizes for these for 81 as compared to the Hemi and what kind of heads are the best on a 481 how many cc's are they blah blah blah
Pro line is hands down the best. I’ve wore 2 snap back hats out. Need to get new ones. Lol
I think Noonan and a lot of his customers would argue that point.
Pure art!!! Anyone want to sponsor a retired USAF aviator with a blown alcohol nostalgia funny car? 🤣🤘🤘
I would like to see a video of the Noonan Hemi vs the Brad Anderson Hemi what is the difference and why is one better than the other????
I have a lsx376 and i run 4.40s so it just depends on you budget mine was 10k
Bullshit.
4.40s…….for $10k? Lol nah son
@@LilCarterOnDaMic pretty sure that's 10k for engine
Lmao. Um ok.
Lsx376ci that runs 4.40 for 10k…..maybe for the heads….. lol….
When that Hemi walks around you in high gear, you will switch to a Hemi....Top Fuel & F/C use Hemi's for a reason ..!
they have to use a Hemi in NHRA
No they don't...The rules just say 500 ci engine, 14-71 SC, and 87% nitro ...!
Hemi makes more power. That’s nothing new. The ability to apply that power and the spread of power is why people chose the 481x. It’s less expensive and can make 90-95% of the same power.
lol
I agree 100%....The hemi head allows you to make more cylinder pressure, and you are firing the mixture from the center of the hole...it's just a better design for an internal combustion engine...Thanks to Tom Hoover ! I've built and worked on Top Fuel Hemi's ...Too bad they have to be so expensive..!
think id go for the hemi what do you mean by the hemi using 2 time more parts, I would only do a 100 runs on a set of aluminium rods so are you saying to change out Rods at 50 runs does it matter if it was twin Turbos to a pro charger, I have noticed that guys are about even for the pro charger and Twin Turbos
The mighty Chrysler HEMI is the only reason that there are rules in all motor sports period
thats not true. the ford SOHC actually is.
@@Jkush463 sure it was lol, to bad the sohc only lasted about 5 minutes!
snowmobile racing is part of motor sports.......
@@ronyoung6054 the hemi isn’t a Chrysler design you realize that right?
@@Brandon_093 prove it
make a shirt with a picture of one of those beautiful blocks and i will buy it
awesome video for us non motor guys
So y don’t y’all combine the two engines and Mack one bad block
Cant wait to see how cleatus McFarlands engines going to do!
if I ever win the lotto I won't tell anyone but there will be signs lol these motors semi with blower and 481x turbo in my holden street cars would be wild
wish I had..$$...but are they talking just talking 1/8th mile passes?..I think the Hemi is well suited for 1/4...over the 481x...
When they window the blocks like you see on tv are they repairable?
20 years ago when a nitro powered car “ windowpanes a block it was actually still good enough for an alcohol car to reuse after some welding. Nowadays when the bottom end lets go CSI couldn’t find half the pieces of the block never mind any parts that used to be inside the engine.1400-1500 HP per cylinder when it miss fires doesn’t leave behind a whole lot reusable parts.
Great video
so why does NHRA limit racers to the HEMI?
Because its the best...Ford tried back in nthe early 2000's with their own Ford engine but it cost them too much money and it broke all the time so NHRA made a rule making everyone run a HEMI...and these are based off the Chrysler 1960's Hemi.
Thanks Good Video
when you say "3 or 4 numbers "do you mean tenths or hundredths?
A dyno test was done, Kaase Boss Hemi heads Versus Kaase Performance heads of the more conventional (stand up) lay out on a base BBF short block. (it was a great test) The biggest advantage of the Hemi head was NOT more peak power, it was a lot more power in middle, going up to higher peak power. As well, in all out apps, motors with stand up valves are reported to make MORE peak power over the Hemi especially on gasoline, as well as being able to rev higher because Hemi pistons are substantially heavier due to the required huge domes. As well, the Hemi heads are limited on how much valve over lap and timing that they can run in all out applications due to potential valve interference which explains why the Hemi is NOT the preferred motor in NHRA Pro Stock and has not been for a long time. That disagrees with what the guys in the video are claiming about bigger mid range power with stand up valves in the 481 lay out. Explain that. www.motortrend.com/how-to/hemi-vs-wedge-shootout-jon-kaase-settles-one-of-the-most-fiercely-debated-topics-all-time-with-ultimate-dyno-test/
This message has been brought to you by the Ford fan boy club. So ask yourself if the John Kaase Boss motors are so great. When was the last time one of his great motors won an NHRA Pro Stock event? Or better yet has it EVER won one. NHRA chased the latest version of the Hemi out of Pro Stock by limiting the amount of RPMs the engines could run to just 10,500 and by the way that HEMI motor was turning the highest RPMs in the class, won back to back championships before NHRA decided to slow the cars down with EFI and no hood scoops. The cars have never run as quick or fast since then.
@@CoyoteFTW What year was it that ford made a 426 boss? The next thing is that you ford guy’s can’t seem to understand is that pro stock motors back then (nitro followed right behind the ruling) had to comply with the stock part of the rules. The S.O.H.C. was never installed in ANY CAR from the factory it was an experimental crate motor that ford was trying to pass off as a stock motor, the only thing that motor came stock in was a shipping box and I don’t recall seeing any lined up with the real cars at the dealerships. When Bob Glidden was winning with the 351 motor NHRA had put so many restrictions on the Hemi that they made it unusable, if it was used in a Cuda, Duster, Challenger or any other similar sized cars they had to weigh as much as the truck that towed them to the track, if they tried to make the motors with smaller CID then they had to use smaller valves??? They made it so you could not use the motor in pro stock. But Bob Glidden saw the potential of the 340 Mopar and at the first race with his New Plymouth Arrow he set both ends of the pro stock records with ease, so much for your mighty Cleveland motor. I don’t know where you got the idea that Warren Johnson “made” big Cleveland heads and put them on his Oldsmobile motor. At that point in time NHRA was still sticking to the factory engine designs that’s why him and Bob Glidden were constantly bringing each other to NHRA tech for excess creativity with their welding work and trying to pass it off as “stock”. The DRCE engine did not come into existence until after NHRA greatly relaxed the engine rules, by that time the factory only had to put a part number on the block or the heads and you were good to go. Chevy or GM had as much to do with the DRCE engine design as they did with the design of the Boss 302 Mustang or the AAR Cuda’s. GM knew that there big block Chevy was never going to be able to complete in the new 500 CID rules so all they did was pay WJ a BOATLOAD of $$$ for HIS design work and put a part numbers on it and the DRCE engine was born. The new Hemi engines that Allen Johnson won with in pro stock were nothing like the 426’s from the 60’s and 70’s and I’m sure the “Boss” engines that Bob Glidden was using was a completely different animal than the Boss 429 from 1969. Technology has called for engines NOT to have 10 pound pistons trying to run the near 12,000 RPM’s that engine builder Roy Johnson was making for his son Allen to win back to back NHRA championships with their team cars. Times and tech has helped all brands to be better.
@@CoyoteFTW I have no idea what this triple crown is that you’re talking about.
@@frankjohnson6342 - the rule was simple 6.75lb per cubic inch small blocks and 7.25lb for big blocks. Means Chrysler didn’t have a small block worth a damn. Because Glidden was getting weight added all the time and he kept winning it want just in NHRA either First 3 years of IHRA pro-stock Cleveland’s won 1974 Wayne Gapp, 1975 Don Nicholson and 1976 Bob Glidden. All without factory support from Ford. That’s why they changed to the 500 cubic inch limit with a weight of 2,350 pounds. Trying to stop the Fords too bad the 385 series Big Block Ford we’re just as good as the Cleveland’s. First IHRA 7 second run was Dyno Don’s gas carbureted 500ci Cobra Jet, it was the first doorslammer of any kind to run in the sevens. Rickie Smith Boss 429 also ran 7.9 first national event. Ford kept winning big block or small block. At least Ford used the Boss 429 Chevy made up an engine “DRCE.” Called it “BBC” That’s the only way they could keep up with the shotgun hemi Ford because they didn’t beat it neither did any Chrysler. Rickie smith dominated in IHRA with a BBF and Glidden in NHRA. Only thing that out an end to the complete domination was politics, funding & crooks at NHRA. To prove it to you so you know I’m not being a fanboy. Tim Lynch’s proline 620ci Ford went 6.53 at 231 mph in a 3,050-pound Outlaw 10.5 car in 2008 a record then. Let's put this in perspective: NHRA Pro Stock cars, typically considered the fastest stock-bodied door-slammers, tip the scales 700 pounds lighter at 2,350 (with driver) and use a considerably wider tire than Lynch's 10.5 did. The record in 2008 NHRA prostock was 6.53.. with the crappy DRCE. Tim Lynch’s Big Block Ford would hold the record in NHRA all while weighing 700lbs more and way smaller tire..
@@CoyoteFTW glidden at 2350 lbs with the ok from nhra used nitrous same with the dodge boys that is the only way they could compete look at glidden crash at alanta and watch what he does when he gets out of car. ford and chrysler production engines suck
It’s crazy watching this now and most of the street outlaws are running hemis now
Ryan Martin just switched from the 481X to the Hemi and so is many others so I'm not sure why but will see if it runs better then the 481X that's all I can say
He switched for weight reasons. The 481x with 98s had to weigh 3100lbs. Pro charged hemis are 2750. That’s for npk. He’s doing good now as are the rest of the pro charged hemi guys but there’s more than likely gonna be weight added to them next year so we will see what happens then
what I'd like to know is this; "how close is the rotating assembly to that of a top fuel motor??"
people should check out the southeastern gassers and their rules its alot easier to build a car for that series if a person wants to drag race
Hey Doug I remember the days you did that
CNC artwork!!!
I thought the 481x had hemi heads on it also
Can you do a video on the water jacketted version
I’ll take one of each to go please...
ok eric said this why this motor got designed. Did u folks design with AJPE or just proline great vid congrates on ur sucsess at proline happy and safe holidays
481x with f3r-136 procharger for no prep or no?
So when he says wedge in the 481x, is he talking about the piston shape? If so what if you used the wedge with the hemi to maximize compression?
Wedge combustion chamber. Not piston.
How does the 481x compare to the SMX ?
when i look i see mostly Hemis in the street outlaws all the top 10 have Hemis
Will a f3x 140 procharger work with a 481x
How many cubic inches can a 481x be poked out to?
572ci is the most common
@@keefespencer1173 theoretically I think it could go up to 632, I wasn't sure what the deck height and bore space was
It depends on the deck height. If it’s anything over 10.3 it could be 650+ci’s
@@18wheelzofsteel53 10.3 litres is from 626 to 632 cubes.
@@markdubois4882 depending on stroke bore. I should clarify. On an aftermarket 460 block which has the same deck height as a factory 460 block of 10.3 you can build 658 ci's. That's if you got 4.7 bore and 4.75 stroke crank.
The 481x block has a 10.4 in deck height and a 4.84 bore.
If you plug the numbers alone with just a 4.75 crank that will put you at 700ci.
Looks like the 481x has a lot of similarities on the front end 🤔
In the Hemi what’s up with the groves in the cylinders?
Valve relief
Are you sure it’s not for a ringed head gasket?
I think he was referring to that not the reliefs.
Andrew Hill Top fuel hoops! A must in blown engines. Yea baby!
Andrew Hill Oh, I think I know what he’s talking about. Those slots just below the top of the cylinder sleeves.. Around the 9 minute mark. I have no idea what those are!
Ok, because it looks set up for o-ringed head gaskets too
We need a class where money IS an object. Way less expensive everything. Just $20K to $40K cars all in. On TV!!!
What percentage of Nitromethane can be run using the 481?
Good question, I would imagine 98meth and 2nitro
99% depending on your tune and bank account
Gota love a hemi!👍
Thought hemi was just the heads so confused on why im looking at blocks someone school me on this I'm new to motors but was taught hemisphyical delt with the heads only
Is the 481 a small block
ARE YOU GUYS IN BALLGROUND, GA ?
I'm waiting for the water cooled 481X.
eat, STREET, sleep.
Its Said @ The End Its available......Read @ END Of Video ....Got To Have Tom Nelson NRE My Engine Builder
Michael Buchheit - Steve Morris makes a water jacketed 481X. Tom Bailey used this engine to win Drag Week this year
Watch out for Larry Larson's Water Cooled 481 X on display in Alan Johnsons booth at this years PRI
Pro Line Racing - Is Larry going to go back and do Drag Week this year?
@@Proline-Racing-Engines Rocky Moubtain Race Week is gonna be fun to watchin next year :P
Durable is worth the money too me!!! Hook and book!!
Hemi all day for 1/4 mile racing .
All trying to catch up to Steve Morris
now that's funny LOL
what ever happened to the big inch v6
Very, very cool
Is a proline hemi a true mopar hemi engine ??
If the 481x is so good for NPK, why are the top Dawgs running the Hemi?
Great video...from Wyoming USA 🔫🤠
Casper, Wy here!!!!
@@ckryegrass11 Lander over here👋
@@billallen4793 Where do you want me to lander🤣🤣
@@dakotaautosales9673 probably your shop, it's convenient...lol
@@billallen4793 Man already did that lol
probably wouldn't run a china cast piston in those huh?
Proline the world
I'LL TAKE ONE OF EACH . PLEASE
Joe Dirt. Hemi!!!!
best of the best
Is this black friday where you buy one get one free.
Well, now I know there is such a thing as a 481 that is not a Rodeck.
SMX is king!
when these big money engines takes down the cartoon show street outlaw and its happening now
HEMI any day
So in English this would be Sean against Ryan