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Pushrod VS Overhead Cam Engines | Motoring TV Classics
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- เผยแพร่เมื่อ 11 พ.ค. 2022
- Push-rod versus Overhead cam engines, what’s the difference? Bill explains.
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(The segment originally aired on Motoring TV 2002 Episode #5)
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You gotta love those days when people screamed at a mic 6-10ft away.
32 years ago I was around 10 and around then my Dad just got cable tv with TSN. I remember watching your show pretty early on so motoring TV on Sundays or Saturdays was a staple in our house. My Dad is a salesman and going through cars every two years made your show pretty important to him. Myself I cut the cord about 8 years ago and I'm so happy you guys started pushing content to youtube. Your show and Rider games are one of the few things I miss about not having cable anymore.
Logan than you so much, you made our day!
Old video but just taught me a lot. Thanks!
I was approximately -7 when you started Motoring TV
Small block V8’s are big bore/short stroke engines, they should rev high with the right heads.
Great segment. 🏆
Very informative. Thank you.
Very informative, thank you
Great explanation 👏👏👏❤️
great video thanks
Thank you
fascinating
I appreciate shared parts, I have a Camry TRD and the upgraded rotors literally come off a Highlander
Love my pushrod engines
The 4.3 V6 is a very powerful engine.
There's no replacement for displacement ;)
Except forced induction and higher rpm 🤷♂️
@@_Bosley Why? A I4 DOHC makes more power than a weak high displacement pushrod?
@@beezyj3227 Couple that with a proper valve system and exhaust to let the engine breathe. Otherwise the boost is useless.
@@beezyj3227 Which is why most turbo 4-cylinder engines are killing V8's from yesteryear!
What do you think is better pushrod or DOHC?
Depends on what you're going for. He actually explained that in this video. Overhead cam engines can't bend pushrods, and there are less moving parts. But when it's all said and done, a pushrod engine is for a grown man, and DOHC is for teenagers. 😂
@@toddamtmann3528 No, lots of OGs like high displacement DOHC engines and lots of kids like sbc engines.
@@toddamtmann3528 And the low end torque stuff is B.S when the majority of people cam their engines they lose all their low end torque.
@@toddamtmann3528 😂
Depends on applications. If you have a small displacement engine and wanna squeeze maximum performance and Rev highr, DOHC. If it's bigger displacement, pushrods are simpler, cheaper, less maintenance, and failure probability, and can still make lots of torque and decent horsepower.
Pushrod 3800 all day !
You mean this guy was wearing diapers as a teenager?!?!🤣🤣🤣
Timing chains need more moly. Moly has been proven to be an ally for reduced timing chain and cam lobe wear. V never used moly until SN+ ratings forced them to get rid of sodium (Na). When they got rid of sodium they switched to moly and boron. Boron is used as a dispersant and as an antiwear but that's two different formulas. Some companies are using both. Boron as AW plates the cylinders like zddp. So I hope you understand V didn't have moly until SN+. Castrol, M1, QS, and Pennzoil has been utilizing moly for several API ratings already.. well not Castrol until late in the SM rating because Castrol used to have Na like V. None of the SN+ or higher API can have sodium anymore. I'm not going to explain it all. It's just because of the low speed direct injection bs (what it really is about is low quality coming out of the factories because direct injection has been around a long time with no issues until the cheap made turbos and di engines came out and the manufacturers had the oil companies change rather than just making better products. Sigh. Hitler's Secret Sex Life is more interesting than the haters full of themselves.
Chain saw 15k rpm no cam.
32 years ago, as a 14yo, sitting in the rear of the classroom, getting high on dark chocolate, and enjoyibg the effect of the teacher babbling while my mind was enjoying the vertigo effect of the blackboard zooming away as I quickly moved focus from the desk to the front wall.
Also, those were the days I got the record of suspensions at school without even being a punk. I just didn’t give a damn about authority.
Only American car makers use the pushrod engines because they like cutting corners and costs while penalizing the reliability. The result is you get engines that have to be replaced at 50k miles.
YOU DID NOT MENTION WHOCH MOST RELIABLE????
. IN MY EXPRRIENCE YHE PUSHTOD OHV IS MUCH PTEFERRED FOR ITS LONG TIME RRLIABILITY OVER THE OHC ENGINES.
THE V6 AND V8 OHC ENGINGES ARE FAMOUS FOR FAILING TIMING CHAINS.
AS A WORKING MAN GIVE ME THE RELIABILITU OF THE OHV PUSROD V6 AND V8!!!!
My Honda Lawnmower is OHC.
Hahahahaha