The difference between a standard and modified cylinder head
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- Опубліковано 14 бер 2018
- We guide you through the difference between a standard MPi Mini head and an MED Road Competition spec.
For more info on our heads, see: www.med-engineering.co.uk/prod... - Авто та транспорт
Great tips. Thanks for posting. Very helpful for my Spitfire heads education. Cheers from Texas
Fantastic video! Learning so much from your channel. Thank you.
Once again, great information, and lovely work!
Many thanks for this. Has explained so much from people who 'really' know their stuff
Very nice work, especially the combustion chambers.
Everything really well done.
That's why heads have specialty shops. So much more than one Would think. I've worked on engines my whole life, but the machine shop gets to do the specific work. Thanks for the video.
Brilliant.. thank you for sharing your knowledge.. these small details are wonderfully helpful. In searching the MED website, I'm not currently (2021) seeing any cylinder heads. Do you still have these available? Thanks
Wow!!! ART
Hi Steve, what is the standard CR (10.5-1 ?) on your Road Comp Head or can you have what you like.
Hi Richard, we machine all heads to order, so you can choose.
I wasnt expect that med is listening rnb and cardi b!! Competition music
Couldn't help but notice bodak yellow by cardi b in the background lmao
Can't afford to get my head done so I am "having a go", getting help from a few people in the know, so should be ok. In this video you mention a plastic template for the chamber shape, do you sell these? Thanks and love the videos.
Sorry, no we can't sell the chamber profiles.
@@MEDEngineeringTechVideos Understood, I'll just have to use The Yellow Bible :-)
David Vizard ,is he the farther of this
you can port/polish any engine head?
and block-deck any block?
Now how do I get one ?
Please see www.med-engineering.co.uk/collections/5-port/products/med-road-competition
M
Can't believe using a head with those useless brass plugs!!!!!
Why are aftermarket alloy heads not the standard these days? Let's be honest this is yesterday's technology. I had something akin to their race head over 20 years ago on my 1360. Regardless of the 3 angle valve jobs (which makes very little difference in the grand scheme of things, especial on the exhaust) all the careful porting in the world won't make up for a poor initial design. Was a poor design back then, is still a poor design today. Have a look at the likes of Chevrolet and Ford and look how they went from ports with low floors to high floor ports. This is just lipstick on a pig.
Our modified original heads have been proven to outperform aftermarket aluminium heads. The majority of historic race classes we modify A-Series heads for do not allow the use of an aftermarket 'new' head. The areas around the valve seats are absolutely crucial to flow on the A-Series.
@@MEDEngineeringTechVideos there is no getting around the rules where the class prohibits using an aftermarket head, but for everyone else if I had a fourth axis on my CNC I bet I could turn out a better aftermarket head, if a standard head can be ported to still outperform an aftermarket alloy one.
Define "outperform" anyone can port a head for all out flow, but unless you plan to do strictly drag racing at WOT then total CFM figures are only a small part of the equation. A low floor design will always deliver poor low valve lift flow figures, even with the most skilled contouring of the inner radius. To me I don't know why people continue to persevere with the original intake and exhaust port configuration. In these days of sophisticated technology new intake manifolds and exhaust designs are a mere formality.
@@DodgyBrothersEngineering Perhaps, but our market is almost entirely five-port race engines stipulating the original castings. It's worth a mention that the head in the video is our road spec. We machine eight different designs, which vary quite considerably to this: www.med-engineering.co.uk/cylinder-head/5-port
@@MEDEngineeringTechVideos checked your website you have some nice gear there. Some nice performance options for the purists.
@@DodgyBrothersEngineering People are making billet heads and 7/8 port heads that replicate the original compromised port design. Seems extremely stupid when you think about it.