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Hi Julian, love your videos, thanks so much for making them. Question about when you say "stickier front tyres" on FWD/front biased AWD: are you targeting to achieve a differential in grip between front and back?e.g. semi-slicks on the front but standard on the rear? or would semi-slicks all round be the preferred option? thanks.

all of your videos and reading your books makes me want to get back to modifying my cars, just been too busy for anything other than maitnence haha. Will be signing up

It's 2024, sadly a Vibration App is no longer what you think. You may want to search "Vibration Meter" specifically.

I'm in 👍

Autospeed 2.0? Yes please!!

Thank you ❤ keep making videos you are a great teacher

Will buy your books soon soon soon!

I appreciate this. I’ve been reading your book, but it helps to have some written guidance against it even if it’s just a narrated path through one concern. I can then reference the section in the book while looking at some of my other project materials so I can try to come up with a hypothesis and test plan.

If you have trouble signing up your email make sure that there isn't an extra space at the end of your email address.

this sounds interesting, thank you friend

I'm wondering that cannot the manufacturers use computer simulation to do the matching with a vehicle? 🤔

I'm imagining pressing the lubricated heel of my hand into the car from left to right and basically where i'd meet the most resistance seems to be where the high pressure is. Is this roughly accurate?

Great video. After watching only 2 I ordered the book. Your explanation is clear, very well structured, easy to understand, peppered with the right amount of common sense and simply very very interesting. Glad I haven't modified my beloved Mazda MX5 ND yet, Mazda knows a couple of things about car handling I guess... Can't wait to receive your book and maybe find a couple of useful tweaks under your guidance 😉

Finally someone with both knowledge and common sense on the tube . I just watched a couple of his vids and ordered the book. Best part is his subtle warning about after market parts companies with marketing goals. Also, more is not always better, in fact more often it isn't.

I used this image about 10 years ago to determine the proper placement of hood radiator venting on a turbocharged MX-5, as the most effective venting HAD to be where the above hood pressure was the lowest, but still aft of the radiator. As the effectiveness of the radiator was directly related to the pressure differential between the front and the rear of the radiator. That single change made the difference between slowly headed toward overheating on the track in about 10 minutes to being able to complete a full 30 minute session without significant heat accumulation.

What sucks is what is allowed isn’t always the best way to do it.

its so depend on the bodywork shape and the space underneath the car. that lines shown there could change according to the factors i mentioned. i rather simulates the car punching through a sitting air volume and simulates the energy exchange on all the relationships between the ambient air around the car. and then convert that informations to energy transferred to the car themselves. i cant have "formula" for that. since it will change depends on the shapes and the spaces around the car.

I've been trying to find someone to make me a stiffer rear bar for a while and failed, and there's nothing off the shelf. I already have the stiffest factory parts both ends of my V8 so no 'upgrade' options, but I can get a softer front bar from a V6. Is that really a sound option for an overall improvement, or should I try harder to upgrade the rear? Stiffer rear springs did make a big difference.

Danke!

Thanks. Yes suspension yet unequaled.❤😊

Hello, I have a question, with the switch open and the pull up resistor connected to 5V. If I used a meter set to read volts DC, would I see the 5Volts at the switch?

In a vehicle where you have installed a torque split controller (ex: Attesa system in the Skyline lineage of cars), how would one use the controller effectively to inform the best way to tune the suspension and handling characteristics?

Would putting louvers on the raised part of a cowl induction hood recycle the hot air?

Hi Julian, this book is currently listed as unavailable on Amazon in the United States. Any idea what's going on? Thanks!

Thanks for the video, very informative. I have your book on order, looking forward to reading it.

Could you make a vidéo about hood vents, how it reduce drag, lift and engine bay temp

the Australian accent always gives credibility to car related advice

This man is a genius both in his knowledge and his ability to explain an extremely complex topic of suspension design. I make this statement as an engineer in the automotive design space and too many engineers in the field do not have the knowledge depth this man has in his and things are done because that’s what the standard process says, but that engineer lacks the true understanding of the subject therefore we produce a car that handles like crap or lacks good handling because the fundamentals are not there. Thank you for amazing explanations.

Have you covered the topic of oversteer/understeer on corner entry/exit? It seems clear that mid-corner you should be balanced, but on entry and exit I assume that is not to case

Williams and Kick Sauber engineers are watching this video on repeat and scratching their heads