It's a shame, as time goes on, these presenters doing videos of these legendary engines that are part of racing/high performance history get more and more of the information wrong. These experts that got it off the web somewhere else. These mistakes get passed along through these videos to the people who believe EVERYTHING that's on the internet, and soon many of the truths about these pieces of history are lost forever. Effing Shame.
I agree 100% it's almost as if they're taking any bull shit story hook line and sinker who are they listening to. Were they even alive in 1960's-1970's
Mopar actually patented the Hemi name, so Ford couldn't use it, despite having hemispheric heads. They wete sometimes called "semi-hemi" or "crescent" heads too. Fun fact: you can use 426 Hemi connecting rods in the Ford Boss 429.
The pictures are TERRIBLE! Almost zero pictures of the engines or cars being discussed especially the technical picts. Lots of bad info in the spoken part too.
Both outstanding power makers, but only one dominated pro stock 5 years in a row and forced GM to make the DRCE. Bob Glidden's BOSS 429s gave him 5 championships in a row and was the last dominant engine in what was left of TRUE Pro STOCK drag racing. Also, Ohio George Montgomery's TT BOSS powered 69 Mustang was eventually banned by the sanctioning body in 1975 because it decimated the HEMIs on the back half.
@@HighHosilver I don't know Where you got your information from but, whoever told you the Ports in a Boss are smaller than a Hemi must not ever have looked at a Boss 429, the Boss port is the largest port ever used on a Production engine bar none. The street Boss was built to homologate the engine into the NASCAR rule book. The Street hemi was built to win at NHRA drag races. That is why the Boss is mild and the Hemi is Wild.
From what I remember, the Boss 429 was a disappointment on the street and the dragstrips. If you sunk a boatload of money into them, they may have been competitive, but out of the factory they were not very impressive vs the hype they received. Maybe I'm wrong, but.....
The 426 hemi used solid cam from 64-69. 70-71 hyd cam. The street hemi is not same as race hemi. It’s designed for shifting at 7200 rpm. Go look up the ASE engineer paper Chrysler turned in. The 426 hemi is a nascar engine adapted to drag racing. I have bunch of 426 hemis. You should redo this video and get your facts at 100%.
I agree with many commenters that the amount of errors is a bit too much. Most of them about the Boss niner. Almost all Boss 429 motors went into Mustangs while just 2 went into Cougars. Any Torinos were non Kar Kraft cars. The Boss 429 was indeed a Hemi but was shrouded on both sides of the chamber. Machine off the shrouding and you had a full hemi chamber. The plug location part you got right. Both engines were stout but factory rating as presented were way low. In Racing trim both would easily hover in the 550-600 hp range. The Boss was far more restricted for the street for liability, reliability and the rise of emission concerns where as the Mopar Hemi was a very old design and built when emissions weren't as big of a deal. Excellent topic, but the research is annoyingly flawed. Would have been nice to feature the 427 SOHC which was also a Hemi, also rare and so strong it was banned from NASCAR to prevent escalation of the deviation from "Stock" motors.
The first Dodge Challenger was the 1959 Silver Challenger, though not an E body. Of course due to budget constraints, the E body was just a shortened B body with a new skin.
Both engines were grossly underrated. The Boss was closer to 500 horsepower and so was the 426 HEMI. I recently saw a video where a rebuilt to a close to stock as possible 426 HEMI denied out at 495 Horsepower at 5800 RPM. Like I said, under rated.
why am I looking at so many irrelevant details and engines w/o explanation? it like you are trying to show us what an octagon is, but then popping in a lot of squares and triangle w/o explaining why. It hurts my head
That's because viewers get bored with very long videos. They watch a few seconds and click off. Viewers habit have therefore forced video publishers to limit the length of videos. If you stay longer on videos and the algorithm communicates this feedback to the publishers and so many others do the same, the publishers would notice and extend the duration. For now, it's a worldwide observation that viewers do not stay long watching videos and this forces video contents not to be long. With love from Nigeria
the intake ports on a Boss 429 are large enough to park a truck in! i don't know what engine this guy is talking about! He is right full of BS! the Boss cars where Faster than the Hemi until Dodge came out with an Aero package. NASCAR Stopped Ford from using there Streamline cars. The reason the Street Boss was not as potent as a hemi Ford detuned the engine to make sure it would last on the street.
@@mylanmiller9656 Absolutely right! The street version was simply a place holder to get the Boss into NASCAR. Street Boss was 10.5 compression, NASCAR was near 14:1. Anyone knowledgeable in the Boss 429 knows the "head" gasket was a MAJOR pain! Does 'Rotunda' ring a bell?
@@M21-w1y Yes, that is what I was referring to when I said "Head" gasket. As a young man, I had the joy of helping replace the block in a Boss 429 Mustang due to a thrown rod through the block. Many, many O rings to seal every passage into the head from the block.
Both engines were grossly underrated. The Boss was closer to 500 horsepower and so was the 426 HEMI. I recently saw a video where a rebuilt to a close to stock as possible 426 HEMI denied out at 495 Horsepower at 5800 RPM. Like I said, under rated.
Why was the Buick Stage I so effective against the Hemi? I know it was a two bolt main making the motor 70 lbs lighter but that’s not enough to win so convincingly (2 car plus) in a 1/4 mile. I think the answer lies in the cam shaft and carburetor(s). If Chrysler went with a solid lifter cam (high rpm’s) and a single 850 cfm carburetor with aluminum manifold it would have helped immensely.
Boss 429 was disappointing. So was the 429CJ. Good results were achieved with the CJ valves fitted to the 429 PI head and port matched to the CJ intake. I'm kinda of a Ford guy, but without a ton of work, I'd pick the hemi.
Would have been cool to see the OW43 Oldsmobile 455 hemi in the mix! Yeah, I know. I wasn't aware they made one, either! Never hit the production line but I guess it was quite a beast!
The real appeal, as always, is scarcity. Ford's BOSS 429 and Chrylser's Hemi were low production volume engines at the top of each manufacturer's line up. Many Chrysler performance cars are worth a little more than their cross town rivals all these years later because few were sold originally and as a result fewer survive to this day. Low production engine options make the cars that have just that much more valuable years later. It breaks down pretty easily and predictably. Virtually any Barracuda or Challenger from back in the original Muscle Car era will fetch more money than a Mustang or Camaro this is most comparable. Really rare high end engine options close the gap though in many cases. The BOSS 429 Mustangs are a good example of how this works. An L88 Corvette or ZL1 Camaro also highlight the few Ford and Chevy cars that fetch the bigger dollars along side those Hemi Cuda's and Challengers.
Ok, after reading all the comments, all I can say is that I sure am glad that all these motors and cars were there! We grew up in an unimaginably awesome time! I feel very blessed to have grown up in this amazing country in the 50’s, 60’s, and 70’s. It’s like a problem of riches.
you are talking a king and a slave...........the boss 429 was a dog!!!!!!!!!!!!!!!!!!!!!!!! it ran 15 seconds plus. the intake ports pooled gas it did not run well and you couldent get many miles out the motor it was a poor design and it was a headache for anyone who owned it. we laughed at the 429 it would lose to just about anything on the street. why dont you compare it to a vega with a 4 cylinder engine........that might be a close race!
If the Boss 429 is considered a dog, its because the dog was chained up. Its took very little work to wake up the street Boss. I love both engines, but in NASCAR the Niner was a bit stronger on long tracks due to a more modern design. Tuning is a key factor. I've seen Hemi's lose to Chevys due to poor tuning. Your comments are hyperbolic due to your emotion support of the Hemi. Not realistic.
The street motor was a Semi Hemi not a full hemi. It had a quench or flat areas on eather side of the Hemi dome whitch stoped it from being a full Hemi dome . And the coments are correct the heads are not cast iron .
@@M21-w1y The boss was a semi hemi I had one since it was two years old . Had the motor apart many times . Stock factory heads had the flat spots in the dome . Most every one back then was takeing them out to make the full hemi .
Put a good set of heads stock ported ,or john kase heads.the dodge pos hemi will get destroyed. The 426 hemi is extremely aggravating to work on with the plug design and thousand dollar headers that dont even fit the mopar engine bay made for the slant 6.better off with the ford or a big block oldsmobile or chevy.
Obviously, the bloke speaking is a Mopar fan dribbling a huge load. The BOSS 429 beat the 426. 375hp underrated for insurance reasons. Do you really think it only made 375 & don`t give me the 428 was quicker over the 1/4mile, this wasn`t built for the 1/4mile, it was built for 3rd & 4th gear high speed oval racing. Race over a full mile & watch what happens.
It's a shame, as time goes on, these presenters doing videos of these legendary engines that are part of racing/high performance history get more and more of the information wrong.
These experts that got it off the web somewhere else.
These mistakes get passed along through these videos to the people who believe EVERYTHING that's on the internet, and soon many of the truths about these pieces of history are lost forever.
Effing Shame.
Please do share 😊
I agree 100% it's almost as if they're taking any bull shit story hook line and sinker who are they listening to. Were they even alive in 1960's-1970's
The Hemi's carbs were over 1000 cfm while the Ford was only 715. The Boss motor was starving.
That’s an amazing fact
Thank you for sharing this 💯
What is with the infatuation with 0 to 60?
I want to know the quarter mile.
Was ford 429 a hemi never heard that before. Far as I knpw it was not hemispheric combustion chamber on ford.
It’s all in the story my friend and thank you for commenting
Yes it's a hemi
Mopar actually patented the Hemi name, so Ford couldn't use it, despite having hemispheric heads. They wete sometimes called "semi-hemi" or "crescent" heads too.
Fun fact: you can use 426 Hemi connecting rods in the Ford Boss 429.
Not all 429s were hemis. The 429 scj was not & the 429 thunder jet was not. The 429 boss was a hemi
Also the ford 427 sohc was a hemi.
I wouldn't show so many pictures of Oddball motor stuff when you're referring to the Hemi motor stick to just hemispherical motor pictures please
Thank you for taking the time to respond I highly appreciate your opinion
@@HighHosilver I was not trying to be a smart alec I just pay attention to details
Thank you for it, this is the kind of engagement I appreciate.
The pictures are TERRIBLE! Almost zero pictures of the engines or cars being discussed especially the technical picts. Lots of bad info in the spoken part too.
Both outstanding power makers, but only one dominated pro stock 5 years in a row and forced GM to make the DRCE.
Bob Glidden's BOSS 429s gave him 5 championships in a row and was the last dominant engine in what was left of TRUE Pro STOCK drag racing.
Also, Ohio George Montgomery's TT BOSS powered 69 Mustang was eventually banned by the sanctioning body in 1975 because it decimated the HEMIs on the back half.
That’s super interesting, thanks for sharing 💪🏼💪🏼
Brutal how many mistakes are made when describing the engines.
You are welcome to share your insights, and thank you for your comment
@@HighHosilver I don't know Where you got your information from but, whoever told you the Ports in a Boss are smaller than a Hemi must not ever have looked at a Boss 429, the Boss port is the largest port ever used on a Production engine bar none. The street Boss was built to homologate the engine into the NASCAR rule book. The Street hemi was built to win at NHRA drag races. That is why the Boss is mild and the Hemi is Wild.
@@HighHosilverthe boss 429 is an all aluminum engine, just one of the many mistakes showing lack of research
426 Hemi was always slow on the eighth mile but would come alive and catch up on the final stretch. 440 and others would gap it on the eighth.
Absolutely 💯
Thank you for your insight
From what I remember, the Boss 429 was a disappointment on the street and the dragstrips. If you sunk a boatload of money into them, they may have been competitive, but out of the factory they were not very impressive vs the hype they received. Maybe I'm wrong, but.....
The Nascar engine was different from the street version because Ford had to put it in production in order to use it in stock car racing
It’s all in the story my friend and thank you for your comment
Absolutely 💯
You are correct.
The 429 suffered on the dragstrip because it was built from NASCAR they later found that out
The 426 hemi used solid cam from 64-69. 70-71 hyd cam. The street hemi is not same as race hemi. It’s designed for shifting at 7200 rpm. Go look up the ASE engineer paper Chrysler turned in. The 426 hemi is a nascar engine adapted to drag racing. I have bunch of 426 hemis. You should redo this video and get your facts at 100%.
Absolutely right 💯
It’s all in the story
Suuuuuuuure you do Ronnie 🙄😂😂😂
@@M21-w1y don’t be a jealous child.
I agree with many commenters that the amount of errors is a bit too much. Most of them about the Boss niner. Almost all Boss 429 motors went into Mustangs while just 2 went into Cougars. Any Torinos were non Kar Kraft cars. The Boss 429 was indeed a Hemi but was shrouded on both sides of the chamber. Machine off the shrouding and you had a full hemi chamber. The plug location part you got right. Both engines were stout but factory rating as presented were way low. In Racing trim both would easily hover in the 550-600 hp range. The Boss was far more restricted for the street for liability, reliability and the rise of emission concerns where as the Mopar Hemi was a very old design and built when emissions weren't as big of a deal.
Excellent topic, but the research is annoyingly flawed. Would have been nice to feature the 427 SOHC which was also a Hemi, also rare and so strong it was banned from NASCAR to prevent escalation of the deviation from "Stock" motors.
Thank you for commenting, always great to have feedback 💯
Challenger came out in 1970 , not 1966, 67,68, for the end of 69 they were starting to be advertised and ordered but would be titled 1970.
It’s all in the story my friend and thank you for your comment
70 e body
The first Dodge Challenger was the 1959 Silver Challenger, though not an E body.
Of course due to budget constraints, the E body was just a shortened B body with a new skin.
Both engines were grossly underrated. The Boss was closer to 500 horsepower and so was the 426 HEMI. I recently saw a video where a rebuilt to a close to stock as possible 426 HEMI denied out at 495 Horsepower at 5800 RPM. Like I said, under rated.
That’s amazing 🤩 💯
why am I looking at so many irrelevant details and engines w/o explanation? it like you are trying to show us what an octagon is, but then popping in a lot of squares and triangle w/o explaining why. It hurts my head
The video is for entertainment, the data is for knowledge 😉
@@HighHosilver probably make a better podcast then.
That's because viewers get bored with very long videos. They watch a few seconds and click off. Viewers habit have therefore forced video publishers to limit the length of videos. If you stay longer on videos and the algorithm communicates this feedback to the publishers and so many others do the same, the publishers would notice and extend the duration. For now, it's a worldwide observation that viewers do not stay long watching videos and this forces video contents not to be long. With love from Nigeria
@@AnthonyOkeremute-sy7id im not even sure that makes any sense at all with regards to my original question
The cylinder heads on the BOSS 429 are aluminum ... not "cast iron".
the intake ports on a Boss 429 are large enough to park a truck in! i don't know what engine this guy is talking about! He is right full of BS! the Boss cars where Faster than the Hemi until Dodge came out with an Aero package. NASCAR Stopped Ford from using there Streamline cars. The reason the Street Boss was not as potent as a hemi Ford detuned the engine to make sure it would last on the street.
@@mylanmiller9656 Absolutely right! The street version was simply a place holder to get the Boss into NASCAR. Street Boss was 10.5 compression, NASCAR was near 14:1. Anyone knowledgeable in the Boss 429 knows the "head" gasket was a MAJOR pain! Does 'Rotunda' ring a bell?
@@samborez8089Boss 429’s did not have traditional head gaskets, the block/ heads were grooved for “O” rings.
@@M21-w1y Yes, that is what I was referring to when I said "Head" gasket. As a young man, I had the joy of helping replace the block in a Boss 429 Mustang due to a thrown rod through the block. Many, many O rings to seal every passage into the head from the block.
@@M21-w1y Yes, they were.
Boss 302 came with a bigger carb than 429.
This is amazing, thank you for your input.
If the 429 would have had the huge aftermarket the 426 had, then it may have been around longer. So many nice speed parts for that Mopar.
Absolutely 💯
Thanks for the input and thank you for commenting
375hp isn't the true rating of that boss and 425 isn't true for the 426 either both of those engines truthfully put out around 550hp
The boss 429 heads are made of aluminum not cast iron
Both engines were grossly underrated. The Boss was closer to 500 horsepower and so was the 426 HEMI. I recently saw a video where a rebuilt to a close to stock as possible 426 HEMI denied out at 495 Horsepower at 5800 RPM. Like I said, under rated.
Absolutely 💯
And thank you for your comment
I know them both and love them both. If I were asked to choose, I have a simple answer, I'd take both.
Absolutely 💯
I find it funny put the 427 side oiler against the 426 Heim !!!!!!!!
nah put the 427 cammer against the hemi
Why was the Buick Stage I so effective against the Hemi? I know it was a two bolt main making the motor 70 lbs lighter but that’s not enough to win so convincingly (2 car plus) in a 1/4 mile.
I think the answer lies in the cam shaft and carburetor(s). If Chrysler went with a solid lifter cam (high rpm’s) and a single 850 cfm carburetor with aluminum manifold it would have helped immensely.
I'd take either, just need to win the lottery.
FULL OF MISTAKES. TRY AGAIN AMATURES.
Enlighten us🤩
Very poor content.
Boss 429 was disappointing. So was the 429CJ. Good results were achieved with the CJ valves fitted to the 429 PI head and port matched to the CJ intake. I'm kinda of a Ford guy, but without a ton of work, I'd pick the hemi.
Absolutely 💯 and Thank you for your comment its highly appreciated
Would have been cool to see the OW43 Oldsmobile 455 hemi in the mix! Yeah, I know. I wasn't aware they made one, either! Never hit the production line but I guess it was quite a beast!
Absolutely 💯
And thank you for sharing this.
The real appeal, as always, is scarcity. Ford's BOSS 429 and Chrylser's Hemi were low production volume engines at the top of each manufacturer's line up. Many Chrysler performance cars are worth a little more than their cross town rivals all these years later because few were sold originally and as a result fewer survive to this day. Low production engine options make the cars that have just that much more valuable years later. It breaks down pretty easily and predictably. Virtually any Barracuda or Challenger from back in the original Muscle Car era will fetch more money than a Mustang or Camaro this is most comparable. Really rare high end engine options close the gap though in many cases. The BOSS 429 Mustangs are a good example of how this works. An L88 Corvette or ZL1 Camaro also highlight the few Ford and Chevy cars that fetch the bigger dollars along side those Hemi Cuda's and Challengers.
Thank you for taking the time and comment I highly appreciate your input and urge #everyone to check it out
Ok, after reading all the comments, all I can say is that I sure am glad that all these motors and cars were there! We grew up in an unimaginably awesome time! I feel very blessed to have grown up in this amazing country in the 50’s, 60’s, and 70’s. It’s like a problem of riches.
Absolutely 💯, they don’t make them as they use to.
Road racing?? Even in the US those engines hardly got a look in. Most tintop road racing has been 6 litre limit [366ci]
Absolutely 💯
you are talking a king and a slave...........the boss 429 was a dog!!!!!!!!!!!!!!!!!!!!!!!! it ran 15 seconds plus. the intake ports pooled gas it did not run well and you couldent get many miles out the motor it was a poor design and it was a headache for anyone who owned it. we laughed at the 429 it would lose to just about anything on the street. why dont you compare it to a vega with a 4 cylinder engine........that might be a close race!
🤣🤣🤣
because it was detuned for every day street driving and the had very low rear gears for the street
If the Boss 429 is considered a dog, its because the dog was chained up. Its took very little work to wake up the street Boss. I love both engines, but in NASCAR the Niner was a bit stronger on long tracks due to a more modern design. Tuning is a key factor. I've seen Hemi's lose to Chevys due to poor tuning. Your comments are hyperbolic due to your emotion support of the Hemi. Not realistic.
The street motor was a Semi Hemi not a full hemi. It had a quench or flat areas on eather side of the Hemi dome whitch stoped it from being a full Hemi dome . And the coments are correct the heads are not cast iron .
Absolutely 💯, it’s all in the story
Thank you for your comment
If your talking about the Boss429, it was a true hemi head, NO “ flat” spots😂😂😂
@@HighHosilver😂😂😂you don’t have to agree with everyone’s misinformation 😂😂😂
@@M21-w1y The boss was a semi hemi I had one since it was two years old . Had the motor apart many times . Stock factory heads had the flat spots in the dome . Most every one back then was takeing them out to make the full hemi .
Put a good set of heads stock ported ,or john kase heads.the dodge pos hemi will get destroyed. The 426 hemi is extremely aggravating to work on with the plug design and thousand dollar headers that dont even fit the mopar engine bay made for the slant 6.better off with the ford or a big block oldsmobile or chevy.
You lost all credibility when you said "pos dodge hemi"...
I gave you a Like out of pity.
Absolutely 💯
Big chevies blew o. The track,,so therefore. The BBC is a ship anchor, p.o.s. as well
Obviously, the bloke speaking is a Mopar fan dribbling a huge load. The BOSS 429 beat the 426. 375hp underrated for insurance reasons. Do you really think it only made 375 & don`t give me the 428 was quicker over the 1/4mile, this wasn`t built for the 1/4mile, it was built for 3rd & 4th gear high speed oval racing. Race over a full mile & watch what happens.
Absolutely 💯, and thank you for the comment.